There is provided a screen comprising a support layer and a filter layer that overlap so as to reduce an overall thickness of the screen. The support layer can include a plurality of support elements and the filter layer can include one or more filter elements. The support elements can be embedded in the filter elements, or vice versa, such that the support layer and the filter layer overlap by at least 5%. In some embodiments, the support elements can be entirely embedded in the filter elements or the filter elements can be entirely embedded in the support elements. The filter layer can define a filter area that has a flow through area that is at least 1 % of the total surface area of the screen, or in some cases, between 4% and 20% of the total surface area of the screen.
B01D 29/21 - Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets
B01D 29/50 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
A flow control apparatus for producing hydrocarbon material from a subterranean formation is disclosed. The apparatus includes a housing that defines a housing passage, and a flow communicator that extends through the housing for effecting fluid communication between the housing passage and the subterranean formation. The apparatus includes a flow controller within the housing for modulating flow communication between the housing passage and the subterranean formation via the flow communicator. The flow controller includes a filter medium-defining counterpart and a shroud-defining counterpart, and the filter medium-defining counterpart has a filter medium. The flow controller is configurable for disposition relative to the flow communicator to open, close, or screen the flow communicator. While the filter medium and the flow communicator are not aligned, the housing and shroud-defining counterpart shields the filter medium from the housing passage and the external environment.
A valve assembly for integration within a wellbore string is provided. The valve assembly has a valve sleeve provided with a sleeve shoulder and mounted within a valve housing to be shifted along a fluid passage. A load ring is coupled to the valve sleeve and includes a plurality of ring abutments provided along an end thereof. A j-track is defined along a sleeve interface between the load ring and the valve sleeve, and a j-track pin connected to the valve sleeve or the load ring is configured to extend into the j-track. The j-track and j-track pin are configured to engage one of the load ring and the valve sleeve in rotation within the valve housing for adjusting relative alignment between the ring abutments and the sleeve shoulder to position the valve sleeve along the valve housing.
E21B 34/06 - Valve arrangements for boreholes or wells in wells
E21B 34/12 - Valve arrangements for boreholes or wells in wells operated by movement of casings or tubings
F16K 3/26 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members with fluid passages in the valve member
There is provided a valve assembly suitable for use in a high temperature well, such as a geothermal well. The valve assembly comprises a tubular housing having ports to allow fluid communication between a fluid passageway in the valve assembly and the outside of the valve assembly, an outer sleeve longitudinally slidable in the tubular housing, and an inner sleeve longitudinally slidable in the outer sleeve. The outer and inner sleeves are slidable to various positions to prevent, allow or restrict flow through the ports. The valve assembly may include sealing assemblies that can withstand high temperatures, frangible plugs in the ports that can be sheared to open the ports, and/or a coupling member for coupling the inner and outer sleeve while the ports are being opened. The valve assembly may have ports configured in a manner that allows for sequential opening of the ports.
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
F24T 10/20 - Geothermal collectors using underground water as working fluidGeothermal collectors using working fluid injected directly into the ground, e.g. using injection wells and recovery wells
A valve assembly for downhole completion operations and method for using the assembly is described. The valve assembly relies on non-polymeric interfaces between the valve components for sealing the valves without elastomeric materials, thereby making the valve assembly suitable for high temperature well operations, such as 320° C. to 600° C. which are typically encountered in geothermal well operations. The valve assembly includes a first seat which receives an actuating member to actuate the opening of ports in the housing, thereby allowing for fluid injection into the formation adjacent the valve assembly through the ports. A seal assembly suitable for use in high temperature well operations is also described.
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
Disclosed is a rupture disc assembly for use in making a temporary seal in a vessel such as a casing string. The rupture disc assembly may generally include (A) a rupture disc having a side surface having a shallow taper inward towards a bottom surface of the rupture disc (B) an actuating mechanism including (i) an outer sled having an inner supporting surface forming a taper complimentary to the shallow taper of the side surface, (ii) an inner sled disposed within the outer sled and having a support shoulder to support the bottom surface of the rupture disc and (iii) a securing mechanism and (C) a housing to house the rupture disc and actuating mechanism.
Disclosed is a rupture disc assembly for use in making a temporary seal in a vessel such as a casing string. The rupture disc assembly may include a rupture disc having a side surface that has a shallow angle taper inward towards a bottom surface of the rupture disc, and a mounting apparatus to support the rupture disc so that the rupture disc forms the temporary seal. When a disc working pressure is applied to a top surface of the rupture disc, engagement/force transmission between the rupture disc and the mounting apparatus produces enough radial compression in the rupture disc due to the shallow angle taper to significantly mitigate or cancel tensile stresses thereby avoiding the rupture disc from breaking. The rupture disc may be configured to break when the rupture disc is subjected to a disc working pressure that is greater than the disc rupture pressure, thereby removing the temporary seal. An axial abutment surface feature may be provided which is configured and operable to limit downward axial movement of the rupture disc relative to said disc support mechanism and thus be operable to restrict the amount of compression said tapered wall surface of said disc support mechanism can exert on said at least a portion of said rupture disc when the top surface of the rupture disc is subjected to said hydraulic pressure within the well.
Silica-encapsulated tracers suitable for use in tracing fracturing fluid in subsurface formations are described herein. More specifically. described herein is an improved method of encapsulating tracers for reduced adsorption on a rock material, as well as less caustic methods for releasing the encapsulated tracers using ammonium hydroxide or other weak base as an etching agent. as an alternative to using highly corrosive reagents such as hydrofluoric acid.
C09K 8/90 - Compositions based on water or polar solvents containing organic compounds macromolecular compounds of natural origin, e.g. polysaccharides, cellulose
C09K 13/00 - Etching, surface-brightening or pickling compositions
E21B 47/11 - Locating fluid leaks, intrusions or movements using tracersLocating fluid leaks, intrusions or movements using radioactivity
E21B 49/08 - Obtaining fluid samples or testing fluids, in boreholes or wells
9.
IN SITU INJECTION OR PRODUCTION VIA A WELL USING DART-ACTUATED VALVE ASSEMBLIES AND RELATED SYSTEM AND METHOD
An actuation dart for deployment down a tubing string installed within a wellbore and provided with one or more valve assemblies is provided. The actuation dart includes a dart body adapted to be carried down the tubing string to the valve assembly via fluid flow. The dart body has a shifting head provided at a first end of the dart body, the shifting head being configured to engage and shift the valve assembly in the open configuration to enable fluid injection in a reservoir surrounding the wellbore. A method for hydrocarbon recovery from a wellbore using the actuation dart is also provided, along with a wellbore system adapted to receive the actuation dart.
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
E21B 23/08 - Introducing or running tools by fluid pressure, e.g. through-the-flow-line tool systems
E21B 43/16 - Enhanced recovery methods for obtaining hydrocarbons
A high force stroker tool for integration within a wellbore string disposed along a wellbore defined within a subterranean reservoir is provided. The stroker tool includes a hydraulic anchor hydraulically operable to deploy slips securable to the wellbore and to define a mechanical brace, a shifting tool operatively coupled to the hydraulic anchor and comprising a mechanical anchor securable to a movable component, the shifting tool being mechanically operable to move the movable component; and an actuator coupled between the hydraulic anchor and the shifting tool, the actuator being hydraulically operable to brace against the mechanical brace and create a downhole mechanical force adapted to mechanically operate the shifting tool. A method of shifting downhole valve assemblies using the high force stroker tool is also provided.
E21B 23/04 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells operated by fluid means, e.g. actuated by explosion
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
11.
METHOD FOR MULTISTAGE FRACTURING OF A GEOTHERMAL WELL
A method is disclosed for improving heat exchange between a geothermal reservoir and a wellbore. The method comprises injecting a stimulating fluid into the reservoir at a plurality of locations along a wellbore to improve conduction of heat to the near wellbore region for circulation of a working fluid to collect reservoir heat and bring to surface for energy generation.
C09K 8/92 - Compositions for stimulating production by acting on the underground formation characterised by their form or by the form of their components, e.g. encapsulated material
C09K 8/80 - Compositions for reinforcing fractures, e.g. compositions of proppants used to keep the fractures open
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
E21B 36/00 - Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones
E21B 43/267 - Methods for stimulating production by forming crevices or fractures reinforcing fractures by propping
F24T 10/10 - Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground
12.
DOWNHOLE VALVE ASSEMBLY WITH CEMENT-ISOLATED FLOWPATH
A valve assembly for integration within a wellbore string is provided. The valve assembly has a valve housing with a housing port, a bottom sleeve mounted and slidable within the valve housing between closed and open positions, and a top sleeve mounted within the valve housing and defining an annular region therebetween. The top sleeve has a sleeve port and is slidable within the valve housing between a first position where the top sleeve engages the valve housing and defines an annular chamber within the annular region, and a production position where the sleeve port is in fluid communication with the housing port to define a fluid pathway along which fluids flow from the reservoir through the annular chamber. While in the first position, the annular chamber has an inlet allowing fluid to flow into and pressurize the annular chamber to prevent particulates from flowing into the annular region.
A downhole component for integration in wellbore string is provided. The downhole component includes fluid conduits enabling fluid flow therethrough and a sealing element connected to the fluid conduits and operable between a disengaged configuration, where the sealing element is disengaged from an inner surface of the wellbore, and an engaged configuration. The downhole component also includes an actuation assembly having a blocking member releasably secured to the fluid conduits and a fluid-pressure operable actuation member slidably connected to the fluid conduits adapted to engage and operate the sealing element from the disengaged configuration to the engaged configuration. The downhole component has a release mechanism operable to release the blocking member to enable the sealing element to revert to the disengaged configuration, wherein the release mechanism is adapted to be selectively and independently operated relative to additional release mechanisms associated with adjacent downhole components along the wellbore string.
E21B 34/10 - Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
14.
SYSTEMS AND METHODS FOR PRODUCING HYDROCARBON MATERIAL FROM OR INJECTING FLUID INTO A SUBTERRANEAN FORMATION USING A PRESSURE COMPENSATING VALVE ASSEMBLY
A valve assembly for disposition within a subterranean reservoir is provided. The valve assembly includes a valve housing defining a fluid passage, and a housing outlet for establishing fluid communication between the fluid passage and the reservoir. The valve assembly further includes a valve sleeve displaceable between closed and open positions for controlling fluid communication between the fluid passage and the reservoir. The valve assembly also includes a hydraulic actuator operable to displace the valve sleeve, the hydraulic actuator including a hydraulic fluid container and a pump. A pressure-compensating system is operatively connected to the hydraulic actuator, and includes a tubing-pressure compensator configured to adjust a fluid pressure within the fluid passage relative to a fluid pressure of the hydraulic fluid container; and a reservoir-pressure compensator configured to adjust a fluid pressure of the reservoir surrounding the valve assembly relative to a fluid pressure of the hydraulic fluid container.
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
A valve assembly for integration within a wellbore string is provided. The valve assembly has a valve housing with a housing port, a bottom sleeve mounted and slidable within the valve housing between closed and open positions, and a top sleeve mounted within the valve housing and defining an annular region therebetween. The top sleeve has a sleeve port and is slidable within the valve housing between a first position where the top sleeve engages the valve housing and defines an annular chamber within the annular region, and a production position where the sleeve port is in fluid communication with the housing port to define a fluid pathway along which fluids flow from the reservoir through the annular chamber. While in the first position, the annular chamber has an inlet allowing fluid to flow into and pressurize the annular chamber to prevent particulates from flowing into the annular region.
E21B 34/06 - Valve arrangements for boreholes or wells in wells
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
E21B 43/26 - Methods for stimulating production by forming crevices or fractures
16.
DOWNHOLE VALVE ASSEMBLY WITH CEMENT-ISOLATED FLOWPATH
A valve assembly for integration within a wellbore string is provided. The valve assembly has a valve housing with a housing port, a bottom sleeve mounted and slidable within the valve housing between closed and open positions, and a top sleeve mounted within the valve housing and defining an annular region therebetween. The top sleeve has a sleeve port and is slidable within the valve housing between a first position where the top sleeve engages the valve housing and defines an annular chamber within the annular region, and a production position where the sleeve port is in fluid communication with the housing port to define a fluid pathway along which fluids flow from the reservoir through the annular chamber. While in the first position, the annular chamber has an inlet allowing fluid to flow into and pressurize the annular chamber to prevent particulates from flowing into the annular region.
E21B 34/06 - Valve arrangements for boreholes or wells in wells
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
E21B 43/26 - Methods for stimulating production by forming crevices or fractures
17.
FLUID PRESSURE-ACTIVATED VALVE ASSEMBLY WITH FLOW RESTRICTION AND SYSTEMS AND METHODS FOR IN SITU OPERATIONS
A well completion system for producing fluids from a wellbore provided in a subterranean reservoir is provided. The well completion system includes tubing segments connectable to one another along the wellbore. The tubing segments include injection segments provided along the wellbore in spaced-apart relation to each other, each injection segment has an injection valve toollessly operable between a closed configuration preventing fluid flow into the reservoir, and an open configuration allowing fluid flow into the reservoir. The tubing segments also include production segments provided along the wellbore in a staggered relation with respect to the injection segments and configured to allow fluids received from the reservoir to be produced from the reservoir. The tubing segments each are configured to include injection fluid passages and production fluid passages isolated from one another along the wellbore to enable synchronously injecting and producing fluids to and from the reservoir at respective fractured locations.
A downhole component for integration in wellbore string is provided. The downhole component includes fluid conduits enabling fluid flow therethrough and a sealing element connected to the fluid conduits and operable between a disengaged configuration, where the sealing element is disengaged from an inner surface of the wellbore, and an engaged configuration. The downhole component also includes an actuation assembly having a blocking member releasably secured to the fluid conduits and a fluid-pressure operable actuation member slidably connected to the fluid conduits adapted to engage and operate the sealing element from the disengaged configuration to the engaged configuration. The downhole component has a release mechanism operable to release the blocking member to enable the sealing element to revert to the disengaged configuration, wherein the release mechanism is adapted to be selectively and independently operated relative to additional release mechanisms associated with adjacent downhole components along the wellbore string.
E21B 34/10 - Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
A valve assembly for integration within a wellbore string is provided. The valve assembly includes a valve housing defining a fluid passage therethrough and having injection ports, and a flow restriction component extending between the fluid passage and the injection ports to establish fluid communication therebetween. The flow restriction component is configured to create a flowrate restriction along a flow path length thereof, with each injection port being aligned with respective portions of the flow restriction component to define respective flow path lengths defining respective degrees of flowrate restriction. The valve assembly also includes a flow adjuster connected to the valve housing and being fluid-pressure actuatable to align an outlet with one of the injection ports such that fluid flow between the fluid passage and the reservoir is restricted by a corresponding degree of flowrate restriction to maintain an injection rate substantially constant.
E21B 34/06 - Valve arrangements for boreholes or wells in wells
E21B 34/10 - Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
E21B 43/12 - Methods or apparatus for controlling the flow of the obtained fluid to or in wells
F16K 3/26 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members with fluid passages in the valve member
F16K 17/04 - Safety valvesEqualising valves opening on surplus pressure on one sideSafety valvesEqualising valves closing on insufficient pressure on one side spring-loaded
E21B 34/06 - Valve arrangements for boreholes or wells in wells
E21B 34/10 - Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
E21B 43/12 - Methods or apparatus for controlling the flow of the obtained fluid to or in wells
F16K 3/26 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members with fluid passages in the valve member
F16K 17/04 - Safety valvesEqualising valves opening on surplus pressure on one sideSafety valvesEqualising valves closing on insufficient pressure on one side spring-loaded
21.
IN SITU INJECTION OR PRODUCTION VIA A WELL USING SELECTIVE OPERATION OF MULTI-VALVE ASSEMBLIES WITH CHOKED CONFIGURATIONS
Oil recovery can include providing a tubing string and isolation devices to define isolated intervals for an existing well previously operated using plug-and-perf and primary production. Valve assemblies are installed in respective isolated intervals, each valve assembly including at least two valves. The valve can be operated in open and closed configurations, and at least one open configuration provides choked flow via an elongated passage. The valves can have a housing and a shiftable sleeve. The valve assemblies can be operated to provide a desired openness based on the injectivity or other properties by shifting the sleeves of the valves. Different flow resistance levels can be provided to facilitate enhanced operations for water flooding and other oil recovery processes.
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
E21B 43/16 - Enhanced recovery methods for obtaining hydrocarbons
There is provided a valve assembly suitable for use in a high temperature well, such as a geothermal well. The valve assembly comprises a tubular housing having ports to allow fluid communication between a fluid passageway in the valve assembly and the outside of the valve assembly, an outer sleeve longitudinally slidable in the tubular housing, and an inner sleeve longitudinally slidable in the outer sleeve. The outer and inner sleeves are slidable to various positions to prevent, allow or restrict flow through the ports. The valve assembly may include sealing assemblies that can withstand high temperatures, frangible plugs in the ports that can be sheared to open the ports, and/or a coupling member for coupling the inner and outer sleeve while the ports are being opened. The valve assembly may have ports configured in a manner that allows for sequential opening of the ports.
E21B 34/06 - Valve arrangements for boreholes or wells in wells
F16K 3/24 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members
F16K 3/26 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members with fluid passages in the valve member
F16K 3/32 - Means for additional adjustment of the rate of flow
There is provided a valve assembly suitable for use in a high temperature well, such as a geothermal well. The valve assembly comprises a tubular housing having ports to allow fluid communication between a fluid passageway in the valve assembly and the outside of the valve assembly, an outer sleeve longitudinally slidable in the tubular housing, and an inner sleeve longitudinally slidable in the outer sleeve. The outer and inner sleeves are slidable to various positions to prevent, allow or restrict flow through the ports. The valve assembly may include sealing assemblies that can withstand high temperatures, frangible plugs in the ports that can be sheared to open the ports, and/or a coupling member for coupling the inner and outer sleeve while the ports are being opened. The valve assembly may have ports configured in a manner that allows for sequential opening of the ports.
E21B 34/06 - Valve arrangements for boreholes or wells in wells
F16K 3/24 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members
F16K 3/26 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members with fluid passages in the valve member
F16K 3/32 - Means for additional adjustment of the rate of flow
Silica-encapsulated tracers suitable for use in tracing fracturing fluid in subsurface formations are described herein. More specifically, described herein is an improved method of encapsulating tracers for reduced adsorption on a rock material, as well as less caustic methods for releasing the encapsulated tracers using ammonium hydroxide or other weak base as an etching agent, as an alternative to using highly corrosive reagents such as hydrofluoric acid.
C09K 8/00 - Compositions for drilling of boreholes or wellsCompositions for treating boreholes or wells, e.g. for completion or for remedial operations
C09K 13/00 - Etching, surface-brightening or pickling compositions
E21B 43/26 - Methods for stimulating production by forming crevices or fractures
E21B 47/11 - Locating fluid leaks, intrusions or movements using tracersLocating fluid leaks, intrusions or movements using radioactivity
G01F 1/704 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter
G01V 9/00 - Prospecting or detecting by methods not provided for in groups
25.
SILICA-ENCAPSULATED TRACERS FOR USE IN FRACTURING FLUIDS AND METHODS OF PREPARATION AND ETCHING THEREOF
Silica-encapsulated tracers suitable for use in tracing fracturing fluid in subsurface formations are described herein. More specifically, described herein is an improved method of encapsulating tracers for reduced adsorption on a rock material, as well as less caustic methods for releasing the encapsulated tracers using ammonium hydroxide or other weak base as an etching agent, as an alternative to using highly corrosive reagents such as hydrofluoric acid.
C09K 13/00 - Etching, surface-brightening or pickling compositions
C09K 8/00 - Compositions for drilling of boreholes or wellsCompositions for treating boreholes or wells, e.g. for completion or for remedial operations
E21B 43/26 - Methods for stimulating production by forming crevices or fractures
E21B 47/11 - Locating fluid leaks, intrusions or movements using tracersLocating fluid leaks, intrusions or movements using radioactivity
G01V 9/00 - Prospecting or detecting by methods not provided for in groups
G01F 1/704 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter
Disclosed is a rupture disc assembly for use in making a temporary seal in a vessel such as a casing string. The rupture disc assembly may include a rupture disc having a side surface that has a shallow angle taper inward towards a bottom surface of the rupture disc, and a mounting apparatus to support the rupture disc so that the rupture disc forms the temporary seal. When a disc working pressure is applied to a top surface of the rupture disc, engagement/force transmission between the rupture disc and the mounting apparatus produces enough radial compression in the rupture disc due to the shallow angle taper to significantly mitigate or cancel tensile stresses thereby avoiding the rupture disc from breaking. The rupture disc may be configured to break when the rupture disc is subjected to a disc working pressure that is greater than the disc rupture pressure, thereby removing the temporary seal. An axial abutment surface feature may be provided which is configured and operable to limit downward axial movement of the rupture disc relative to said disc support mechanism and thus be operable to restrict the amount of compression said tapered wall surface of said disc support mechanism can exert on said at least a portion of said rupture disc when the top surface of the rupture disc is subjected to said hydraulic pressure within the well.
A valve assembly for integration within a wellbore string disposed within a subterranean reservoir is provided. The valve assembly includes a valve housing having one or more injection ports for establishing fluid communication between a central passage and the reservoir. The valve assembly includes a valve sleeve operatively mounted within the valve housing and comprising a fluid channel adapted to establish fluid communication between the central passage and the injection ports, and configured to create a fluid flowrate restriction. The valve assembly has a flow adjuster connectable to the valve sleeve, and is selectively arranged to align an opening with the fluid channel and allow fluid to flow from the fluid channel through the opening to the injection port, wherein connecting the flow adjuster to the valve sleeve defines a flow length of the fluid channel to adjust the fluid restriction created by the fluid channel.
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
E21B 43/12 - Methods or apparatus for controlling the flow of the obtained fluid to or in wells
28.
Systems and methods for producing hydrocarbon material from unconsolidated formations
A wellbore material transfer system is disclosed, and comprises a downhole fluid conductor defining a downhole-conducting fluid passage, an uphole fluid conductor defining an uphole-conducting fluid passage, a flow controller for opening and closing the uphole-conducting fluid passage, and a completion disposed within a wellbore and defining a wellbore interval between the completion and the wellbore, the completion including selectively openable first and second flow communicators. While the flow communicators are open and the uphole-conducting fluid passage is closed, a subterranean formation zone may be fractured, and flow communication is absent, via the second flow communicator and the uphole-conducting fluid passage, between the wellbore interval and the surface. While the flow communicators and the uphole-conducting fluid passage are open, the wellbore interval may be gravel packed, and a solids-depleted fluid is conductible, via the second flow communicator and the uphole-conducting fluid passage, from the wellbore interval to the surface.
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
E21B 43/12 - Methods or apparatus for controlling the flow of the obtained fluid to or in wells
E21B 43/26 - Methods for stimulating production by forming crevices or fractures
29.
Asynchronous frac-to-frac operations for hydrocarbon recovery and valve systems
The present description relates to processes and systems for asynchronous frac-to-frac operations for recovering hydro-carbons. The processes can include the use of injection-only and production-only valves that include a housing and at least one sleeve as well as flow restriction components, check valves, or other features. The flow restriction component can be a tortuous path provided in the sleeve. The check valves can be integrated into the sleeve or into the housing of the valve. Various different types of valve assemblies can be used and integrated with flow restriction components and/or check valves.
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
E21B 43/12 - Methods or apparatus for controlling the flow of the obtained fluid to or in wells
There is provided a flow control apparatus configured for optimizing use of available space within the wellbore for conducting of fluids between the surface and the subterranean formation. The flow control apparatus is useable for conducting all forms of fluid, such as, for example, liquids, gases, or mixtures of liquids and gases. As well, the flow control apparatus is useable for effecting injection of fluid (e.g. a fluid for stimulating hydrocarbon production via a drive process, such as, for example, waterflooding, or via a cyclic process, such as “huff and puff”) into the subterranean formation, and for receiving production of fluid (e.g. hydrocarbon material) from the subterranean formation (including production that is stimulated by gas lift).
There is provided a flow control apparatus configured for integration within a wellbore string disposed within a wellbore extending into a subterranean formation and useable for effecting production of hydrocarbon material by providing flow communication for injection of treatment material for stimulating the reservoir and then receiving hydrocarbon material from the stimulated reservoir, and also for effecting production of hydrocarbon material by providing flow communication for injection of a displacement fluid for displacing hydrocarbon material to a second wellbore.
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
E21B 43/12 - Methods or apparatus for controlling the flow of the obtained fluid to or in wells
E21B 43/16 - Enhanced recovery methods for obtaining hydrocarbons
32.
Convertible tracer valve assemblies and related methods for fracturing and tracing
A valve assembly for integration within a wellbore string disposed within a hydrocarbon-containing reservoir is provided. The valve assembly includes a valve housing having a plurality of frac ports for establishing fluid communication between a central passage and the reservoir. The valve assembly includes a bottom sleeve operatively mounted within the valve housing configured to selectively open the frac ports, and a top sleeve operatively mounted within the valve housing slidable between (i) a first position defining a first fluid pathway whereby fluid is flowable down into the central passage and into the reservoir via the frac ports, and (ii) a tracing position defining a second fluid pathway whereby fluid is flowable from the reservoir into an annulus defined between the top sleeve and the housing. The valve assembly also has a tracer compartment defined within the annulus forming part of the second fluid pathway and accommodating a tracer material.
E21B 43/26 - Methods for stimulating production by forming crevices or fractures
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
E21B 47/11 - Locating fluid leaks, intrusions or movements using tracersLocating fluid leaks, intrusions or movements using radioactivity
33.
DOWNHOLE VALVE ASSEMBLY WITH CEMENT-ISOLATED FLOWPATH
A valve assembly for integration within a wellbore string is provided. The valve assembly has a valve housing with a housing port, a bottom sleeve mounted and slidable within the valve housing between closed and open positions, and a top sleeve mounted within the valve housing and defining an annular region therebetween. The top sleeve has a sleeve port and is slidable within the valve housing between a first position where the top sleeve engages the valve housing and defines an annular chamber within the annular region, and a production position where the sleeve port is in fluid communication with the housing port to define a fluid pathway along which fluids flow from the reservoir through the annular chamber. While in the first position, the annular chamber has an inlet allowing fluid to flow into and pressurize the annular chamber to prevent particulates from flowing into the annular region.
A high force stroker tool for integration within a wellbore string disposed along a wellbore defined within a subterranean reservoir is provided. The stroker tool includes a hydraulic anchor hydraulically operable to deploy slips securable to the wellbore and to define a mechanical brace, a shifting tool operatively coupled to the hydraulic anchor and comprising a mechanical anchor securable to a movable component, the shifting tool being mechanically operable to move the movable component; and an actuator coupled between the hydraulic anchor and the shifting tool, the actuator being hydraulically operable to brace against the mechanical brace and create a downhole mechanical force adapted to mechanically operate the shifting tool. A method of shifting downhole valve assemblies using the high force stroker tool is also provided.
E21B 23/01 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for anchoring the tools or the like
E21B 23/04 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells operated by fluid means, e.g. actuated by explosion
E21B 34/10 - Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
A high force stroker tool for integration within a wellbore string disposed along a wellbore defined within a subterranean reservoir is provided. The stroker tool includes a hydraulic anchor hydraulically operable to deploy slips securable to the wellbore and to define a mechanical brace, a shifting tool operatively coupled to the hydraulic anchor and comprising a mechanical anchor securable to a movable component, the shifting tool being mechanically operable to move the movable component; and an actuator coupled between the hydraulic anchor and the shifting tool, the actuator being hydraulically operable to brace against the mechanical brace and create a downhole mechanical force adapted to mechanically operate the shifting tool. A method of shifting downhole valve assemblies using the high force stroker tool is also provided.
E21B 23/01 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for anchoring the tools or the like
E21B 23/04 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells operated by fluid means, e.g. actuated by explosion
E21B 34/10 - Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
36.
METHOD FOR MULTISTAGE FRACTURING OF A GEOTHERMAL WELL
A method is disclosed for improving heat exchange between a geothermal reservoir and a wellbore. The method comprises injecting a stimulating fluid into the reservoir at a plurality of locations along a wellbore to improve conduction of heat to the near wellbore region for circulation of a working fluid to collect reservoir heat and bring to surface for energy generation.
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
E21B 43/26 - Methods for stimulating production by forming crevices or fractures
E21B 43/267 - Methods for stimulating production by forming crevices or fractures reinforcing fractures by propping
E21B 43/27 - Methods for stimulating production by forming crevices or fractures by use of eroding chemicals, e.g. acids
F24T 10/10 - Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground
F24T 10/30 - Geothermal collectors using underground reservoirs for accumulating working fluids or intermediate fluids
A valve assembly for downhole completion operations and method for using the assembly is described. The valve assembly relies on non-polymeric interfaces between the valve components for sealing the valves without elastomeric materials, thereby making the valve assembly suitable for high temperature well operations, such as 320 °C to 600 °C, which are typically encountered in geothermal well operations. The valve assembly includes a first seat which receives an actuating member to actuate the opening of ports in the housing, thereby allowing for fluid injection into the formation adjacent the valve assembly through the ports. A seal assembly suitable for use in high temperature well operations is also described.
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
A method is disclosed for improving heat exchange between a geothermal reservoir and a wellbore. The method comprises injecting a stimulating fluid into the reservoir at a plurality of locations along a wellbore to improve conduction of heat to the near wellbore region for circulation of a working fluid to collect reservoir heat and bring to surface for energy generation.
F24T 10/10 - Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
E21B 43/26 - Methods for stimulating production by forming crevices or fractures
E21B 43/27 - Methods for stimulating production by forming crevices or fractures by use of eroding chemicals, e.g. acids
E21B 43/267 - Methods for stimulating production by forming crevices or fractures reinforcing fractures by propping
F24T 10/30 - Geothermal collectors using underground reservoirs for accumulating working fluids or intermediate fluids
A valve assembly for downhole completion operations and method for using the assembly is described. The valve assembly relies on non-polymeric interfaces between the valve components for sealing the valves without elastomeric materials, thereby making the valve assembly suitable for high temperature well operations, such as 320 °C to 600 °C, which are typically encountered in geothermal well operations. The valve assembly includes a first seat which receives an actuating member to actuate the opening of ports in the housing, thereby allowing for fluid injection into the formation adjacent the valve assembly through the ports. A seal assembly suitable for use in high temperature well operations is also described.
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
E21B 43/12 - Methods or apparatus for controlling the flow of the obtained fluid to or in wells
A downhole component for integration in wellbore string is provided. The downhole component includes fluid conduits enabling fluid flow therethrough and a sealing element connected to the fluid conduits and operable between a disengaged configuration, where the sealing element is disengaged from an inner surface of the wellbore, and an engaged configuration. The downhole component also includes an actuation assembly having a blocking member releasably secured to the fluid conduits and a fluid-pressure operable actuation member slidably connected to the fluid conduits adapted to engage and operate the sealing element from the disengaged configuration to the engaged configuration. The downhole component has a release mechanism operable to release the blocking member to enable the sealing element to revert to the disengaged configuration, wherein the release mechanism is adapted to be selectively and independently operated relative to additional release mechanisms associated with adjacent downhole components along the wellbore string.
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
41.
IN SITU INJECTION OR PRODUCTION VIA A WELL USING DART-ACTUATED VALVE ASSEMBLIES AND RELATED SYSTEM AND METHOD
An actuation dart for deployment down a tubing string installed within a wellbore and provided with one or more valve assemblies is provided. The actuation dart includes a dart body adapted to be carried down the tubing string to the valve assembly via fluid flow. The dart body has a shifting head provided at a first end of the dart body, the shifting head being configured to engage and shift the valve assembly in the open configuration to enable fluid injection in a reservoir surrounding the wellbore. A method for hydrocarbon recovery from a wellbore using the actuation dart is also provided, along with a wellbore system adapted to receive the actuation dart.
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
E21B 23/08 - Introducing or running tools by fluid pressure, e.g. through-the-flow-line tool systems
E21B 43/12 - Methods or apparatus for controlling the flow of the obtained fluid to or in wells
42.
IN SITU INJECTION OR PRODUCTION VIA A WELL USING DART-ACTUATED VALVE ASSEMBLIES AND RELATED SYSTEM AND METHOD
An actuation dart for deployment down a tubing string installed within a wellbore and provided with one or more valve assemblies is provided. The actuation dart includes a dart body adapted to be carried down the tubing string to the valve assembly via fluid flow. The dart body has a shifting head provided at a first end of the dart body, the shifting head being configured to engage and shift the valve assembly in the open configuration to enable fluid injection in a reservoir surrounding the wellbore. A method for hydrocarbon recovery from a wellbore using the actuation dart is also provided, along with a wellbore system adapted to receive the actuation dart.
E21B 23/08 - Introducing or running tools by fluid pressure, e.g. through-the-flow-line tool systems
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
43.
SYSTEMS AND METHODS FOR PRODUCING HYDROCARBON MATERIAL FROM OR INJECTING FLUID INTO A SUBTERRANEAN FORMATION USING A PRESSURE COMPENSATING VALVE ASSEMBLY
A valve assembly for disposition within a subterranean reservoir is provided. The valve assembly includes a valve housing defining a fluid passage, and a housing outlet for establishing fluid communication between the fluid passage and the reservoir. The valve assembly further includes a valve sleeve displaceable between closed and open positions for controlling fluid communication between the fluid passage and the reservoir. The valve assembly also includes a hydraulic actuator operable to displace the valve sleeve, the hydraulic actuator including a hydraulic fluid container and a pump. A pressure-compensating system is operatively connected to the hydraulic actuator, and includes a tubing-pressure compensator configured to adjust a fluid pressure within the fluid passage relative to a fluid pressure of the hydraulic fluid container; and a reservoir-pressure compensator configured to adjust a fluid pressure of the reservoir surrounding the valve assembly relative to a fluid pressure of the hydraulic fluid container.
E21B 34/06 - Valve arrangements for boreholes or wells in wells
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
E21B 34/16 - Control means therefor being outside the borehole
44.
SYSTEMS AND METHODS FOR PRODUCING HYDROCARBON MATERIAL FROM OR INJECTING FLUID INTO A SUBTERRANEAN FORMATION USING A PRESSURE COMPENSATING VALVE ASSEMBLY
A valve assembly for disposition within a subterranean reservoir is provided. The valve assembly includes a valve housing defining a fluid passage, and a housing outlet for establishing fluid communication between the fluid passage and the reservoir. The valve assembly further includes a valve sleeve displaceable between closed and open positions for controlling fluid communication between the fluid passage and the reservoir. The valve assembly also includes a hydraulic actuator operable to displace the valve sleeve, the hydraulic actuator including a hydraulic fluid container and a pump. A pressure-compensating system is operatively connected to the hydraulic actuator, and includes a tubing-pressure compensator configured to adjust a fluid pressure within the fluid passage relative to a fluid pressure of the hydraulic fluid container; and a reservoir-pressure compensator configured to adjust a fluid pressure of the reservoir surrounding the valve assembly relative to a fluid pressure of the hydraulic fluid container.
E21B 34/06 - Valve arrangements for boreholes or wells in wells
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
E21B 34/16 - Control means therefor being outside the borehole
A rupture disc assembly and a float tool incorporating the rupture disc assembly is disclosed. The rupture disc assembly may include a rupture disc assembly comprising a rupture disc, an upper tubular portion and a lower tubular portion, and a securing mechanism for holding the rupture disc between the upper and lower tubular portions. A float tool for creating a buoyant chamber in a casing string may include the rupture disc assembly and a sealing device for sealing the lower end of the casing string, the buoyant, sealed chamber may be created there between. In operation, applied fluid pressure causes the rupture disc to move downward. The rupture disc may be shattered by contact with a surface on the lower tubular portion. Full casing internal diameter may be restored in the region where the rupture disc formerly sealed the casing.
A flow control apparatus for producing hydrocarbon material from a subterranean formation is disclosed. The apparatus includes a housing that defines a housing passage, and a flow communicator that extends through the housing for effecting fluid communication between the housing passage and the subterranean formation. The apparatus includes a flow controller within the housing for modulating flow communication between the housing passage and the subterranean formation via the flow communicator. The flow controller includes a filter medium-defining counterpart and a shroud-defining counterpart, and the filter medium-defining counterpart has a filter medium. The flow controller is configurable for disposition relative to the flow communicator to open, close, or screen the flow communicator. While the filter medium and the flow communicator are not aligned, the housing and shroud-defining counterpart shields the filter medium from the housing passage and the external environment.
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
E21B 34/06 - Valve arrangements for boreholes or wells in wells
E21B 43/00 - Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
E21B 43/10 - Setting of casings, screens or liners in wells
E21B 43/38 - Arrangements for separating materials produced by the well in the well
47.
Systems and methods for producing hydrocarbon material from or injecting fluid into a subterranean formation using adjustable flow restriction
A valve assembly for integration within a wellbore string disposed within a subterranean reservoir is provided. The valve assembly includes a valve housing having one or more injection ports for establishing fluid communication between a central passage and the reservoir. The valve assembly includes a valve sleeve operatively mounted within the valve housing and comprising a fluid channel adapted to establish fluid communication between the central passage and the injection ports, and configured to create a fluid flowrate restriction. The valve assembly has a flow adjuster connectable to the valve sleeve, and is selectively arranged to align an opening with the fluid channel and allow fluid to flow from the fluid channel through the opening to the injection port, wherein connecting the flow adjuster to the valve sleeve defines a flow length of the fluid channel to adjust the fluid restriction created by the fluid channel.
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
E21B 43/12 - Methods or apparatus for controlling the flow of the obtained fluid to or in wells
48.
SYSTEM AND METHOD FOR WIRELESS CONTROL OF WELL BORE EQUIPMENT
There is provided an apparatus for controlling flow in a wellbore, comprising: a housing defining a fluid passage; a flow control device sealing an outlet of said fluid passage; an actuator for manipulating said flow control device to an open condition to permit fluid flow through said outlet; a controller for selectively activating said actuator; an acoustic receiver in communication with said controller, said acoustic receiver configured to receive acoustic signals comprising programming instructions for said controller.
E21B 43/12 - Methods or apparatus for controlling the flow of the obtained fluid to or in wells
E21B 47/18 - Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves through the well fluid
49.
Apparatuses and methods for locating and shifting a downhole flow control member
There is provided a downhole tool comprising a locator. The locator includes a wellbore coupler for becoming releasably retained relative to a locate profile; and a wellbore coupler release opposer configured for opposing release of the wellbore coupler from the retention relative to the locate profile. While the opposing of the release of the wellbore coupler from the retention relative to the locate profile is being effected by the wellbore coupler release opposer, relative displacement between the wellbore coupler release opposer and the wellbore coupler is effectible, with effect that the opposing is defeated. The locator also includes a displacement impeder for impeding the relative displacement between the wellbore coupler release opposer and the wellbore coupler.
E21B 23/01 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for anchoring the tools or the like
E21B 23/02 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for locking the tools or the like in landing nipples or in recesses between adjacent sections of tubing
E21B 23/00 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
E21B 47/09 - Locating or determining the position of objects in boreholes or wellsIdentifying the free or blocked portions of pipes
50.
SYSTEMS AND METHODS FOR PRODUCING HYDROCARBON MATERIAL FROM OR INJECTING FLUID INTO A SUBTERRANEAN FORMATION USING ADJUSTABLE FLOW RESTRICTION
A valve assembly for integration within a wellbore string disposed within a subterranean reservoir is provided. The valve assembly includes a valve housing having one or more injection ports for establishing fluid communication between a central passage and the reservoir. The valve assembly includes a valve sleeve operatively mounted within the valve housing and comprising a fluid channel adapted to establish fluid communication between the central passage and the injection ports, and configured to create a fluid flowrate restriction. The valve assembly has a flow adjuster connectable to the valve sleeve, and is selectively arranged to align an opening with the fluid channel and allow fluid to flow from the fluid channel through the opening to the injection port, wherein connecting the flow adjuster to the valve sleeve defines a flow length of the fluid channel to adjust the fluid restriction created by the fluid channel.
E21B 34/06 - Valve arrangements for boreholes or wells in wells
F16K 3/26 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members with fluid passages in the valve member
F16K 3/34 - Arrangements for modifying the way in which the rate of flow varies during the actuation of the valve
There is provided a bottomhole assembly that is deployable downhole within a wellbore via a conveyance system. The conveyance system includes a fluid conductor for effecting fluid communication between the surface and the bottomhole assembly. The bottomhole assembly includes an actuator tool and a shifting tool. In some embodiments, for example, the actuator tool is disposed for receiving transmission of a compressive force being applied to the conveyance system from the surface, and transmitting the compressive force for actuating the shifting tool. In some embodiments, for example, the actuator includes an anchoring tool configured for hydraulic actuation, via fluid pressure forces communicated by the fluid conductor of the conveyance system, for becoming retained relative to the wellbore string. In some embodiments, for example, the actuator tool also includes a linear actuator that is extendible relative to the anchoring tool, while the anchoring tool is retained relative to the wellbore string, for transmitting a force to the actuated shifting tool with effect that the shifting tool is displaced relative to the wellbore.
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
E21B 23/04 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells operated by fluid means, e.g. actuated by explosion
52.
In situ injection or production via a well using selective operation of multi-valve assemblies with choked configurations
Oil recovery can include providing a tubing string and isolation devices to define isolated intervals for an existing well previously operated using plug-and-perf and primary production. Valve assemblies are installed in respective isolated intervals, each valve assembly including at least two valves. The valve can be operated in open and closed configurations, and at least one open configuration provides choked flow via an elongated passage. The valves can have a housing and a shiftable sleeve. The valve assemblies can be operated to provide a desired openness based on the injectivity or other properties by shifting the sleeves of the valves. Different flow resistance levels can be provided to facilitate enhanced operations for water flooding and other oil recovery processes.
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
E21B 43/16 - Enhanced recovery methods for obtaining hydrocarbons
A well completion system for producing fluids from a wellbore provided in a subterranean reservoir is provided. The well completion system includes tubing segments connectable to one another along the wellbore. The tubing segments include injection segments provided along the wellbore in spaced-apart relation to each other, each injection segment has an injection valve toollessly operable between a closed configuration preventing fluid flow into the reservoir, and an open configuration allowing fluid flow into the reservoir. The tubing segments also include production segments provided along the wellbore in a staggered relation with respect to the injection segments and configured to allow fluids received from the reservoir to be produced from the reservoir. The tubing segments each are configured to include injection fluid passages and production fluid passages isolated from one another along the wellbore to enable synchronously injecting and producing fluids to and from the reservoir at respective fractured locations.
A well completion system for producing fluids from a wellbore provided in a subterranean reservoir is provided. The well completion system includes tubing segments connectable to one another along the wellbore. The tubing segments include injection segments provided along the wellbore in spaced-apart relation to each other, each injection segment has an injection valve toollessly operable between a closed configuration preventing fluid flow into the reservoir, and an open configuration allowing fluid flow into the reservoir. The tubing segments also include production segments provided along the wellbore in a staggered relation with respect to the injection segments and configured to allow fluids received from the reservoir to be produced from the reservoir. The tubing segments each are configured to include injection fluid passages and production fluid passages isolated from one another along the wellbore to enable synchronously injecting and producing fluids to and from the reservoir at respective fractured locations.
There is provided a flow control apparatus configured for optimizing use of available space within the wellbore for conducting of fluids between the surface and the subterranean formation. The flow control apparatus is useable for conducting all forms of fluid, such as, for example, liquids, gases, or mixtures of liquids and gases. As well, the flow control apparatus is useable for effecting injection of fluid (e.g. a fluid for stimulating hydrocarbon production via a drive process, such as, for example, waterflooding, or via a cyclic process, such as “huff and puff”) into the subterranean formation, and for receiving production of fluid (e.g. hydrocarbon material) from the subterranean formation (including production that is stimulated by gas lift).
Disclosed is a rupture disc assembly for use in making a temporary seal in a vessel such as a casing string. The rupture disc assembly may generally include (A) a rupture disc having a side surface having a shallow taper inward towards a bottom surface of the rupture disc (B) an actuating mechanism including (i) an outer sled having an inner supporting surface forming a taper complimentary to the shallow taper of the side surface, (ii) an inner sled disposed within the outer sled and having a support shoulder to support the bottom surface of the rupture disc and (iii) a securing mechanism and (C) a housing to house the rupture disc and actuating mechanism.
F16K 17/16 - Safety valvesEqualising valves opening on surplus pressure on one sideSafety valvesEqualising valves closing on insufficient pressure on one side with fracturing member with fracturing diaphragm
E21B 34/06 - Valve arrangements for boreholes or wells in wells
Disclosed is a rupture disc assembly for use in making a temporary seal in a vessel such as a casing string. The rupture disc assembly may include a rupture disc having a side surface that has a shallow angle taper inward towards a bottom surface of the rupture disc, and a mounting apparatus to support the rupture disc so that the rupture disc forms the temporary seal. When a disc working pressure is applied to a top surface of the rupture disc, engagement/ force transmission between the rupture disc and the mounting apparatus produces enough radial compression in the rupture disc due to the shallow angle taper to significantly mitigate or cancel tensile stresses thereby avoiding the rupture disc from breaking. The rupture disc may be configured to break when the rupture disc is subjected to a disc working pressure that is greater than the disc rupture pressure, thereby removing the temporary seal. An axial abutment surface feature may be provided which is configured and operable to limit downward axial movement of the rupture disc relative to said disc support mechanism and thus be operable to restrict the amount of compression said tapered wall surface of said disc support mechanism can exert on said at least a portion of said rupture disc when the top surface of the rupture disc is subjected to said hydraulic pressure within the well.
E21B 34/06 - Valve arrangements for boreholes or wells in wells
F16K 17/16 - Safety valvesEqualising valves opening on surplus pressure on one sideSafety valvesEqualising valves closing on insufficient pressure on one side with fracturing member with fracturing diaphragm
Disclosed is a rupture disc assembly for use in making a temporary seal in a vessel such as a casing string. The rupture disc assembly may generally include (A) a rupture disc having a side surface having a shallow taper inward towards a bottom surface of the rupture disc (B) an actuating mechanism including (i) an outer sled having an inner supporting surface forming a taper complimentary to the shallow taper of the side surface, (ii) an inner sled disposed within the outer sled and having a support shoulder to support the bottom surface of the rupture disc and (iii) a securing mechanism and (C) a housing to house the rupture disc and actuating mechanism.
E21B 34/06 - Valve arrangements for boreholes or wells in wells
F16K 17/16 - Safety valvesEqualising valves opening on surplus pressure on one sideSafety valvesEqualising valves closing on insufficient pressure on one side with fracturing member with fracturing diaphragm
Disclosed is a rupture disc assembly for use in making a temporary seal in a vessel such as a casing string. The rupture disc assembly may include a rupture disc having a side surface that has a shallow angle taper inward towards a bottom surface of the rupture disc, and a mounting apparatus to support the rupture disc so that the rupture disc forms the temporary seal. When a disc working pressure is applied to a top surface of the rupture disc, engagement/ force transmission between the rupture disc and the mounting apparatus produces enough radial compression in the rupture disc due to the shallow angle taper to significantly mitigate or cancel tensile stresses thereby avoiding the rupture disc from breaking. The rupture disc may be configured to break when the rupture disc is subjected to a disc working pressure that is greater than the disc rupture pressure, thereby removing the temporary seal. An axial abutment surface feature may be provided which is configured and operable to limit downward axial movement of the rupture disc relative to said disc support mechanism and thus be operable to restrict the amount of compression said tapered wall surface of said disc support mechanism can exert on said at least a portion of said rupture disc when the top surface of the rupture disc is subjected to said hydraulic pressure within the well.
F16K 17/16 - Safety valvesEqualising valves opening on surplus pressure on one sideSafety valvesEqualising valves closing on insufficient pressure on one side with fracturing member with fracturing diaphragm
60.
Re-closeable downhole valves with improved seal integrity
An apparatus and a method of controlling flow communication with an apparatus are disclosed. The apparatus includes a flow communicator, a flow control member, an uphole-disposed flow interference effector uphole of the flow communicator, and a downhole-disposed flow interference effector downhole of the flow communicator. While each of the uphole-disposed flow interference effector and the downhole-disposed flow interference-effector, independently, is contacting the flow control member, the flow communicator is closed. Displacement of the flow control member, relative to the flow communicator, in the downhole direction, opens the flow communicator. While there is an absence of occlusion of the second uphole-disposed flow interference-effecting member of the uphole-disposed flow interference effector, the flow control member is disposable, relative to the flow communicator, such that each one of the second-uphole disposed flow interference-effecting member and the downhole-disposed flow interference-effector, independently, is contacting the flow control member, such that the flow communicator is closed.
There is provided a flow control apparatus configured for integration within a wellbore string disposed within a wellbore extending into a subterranean formation and useable for effecting production of hydrocarbon material by providing flow communication for injection of treatment material for stimulating the reservoir and then receiving hydrocarbon material from the stimulated reservoir, and also for effecting production of hydrocarbon material by providing flow communication for injection of a displacement fluid for displacing hydrocarbon material to a second wellbore.
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
E21B 43/12 - Methods or apparatus for controlling the flow of the obtained fluid to or in wells
E21B 43/16 - Enhanced recovery methods for obtaining hydrocarbons
62.
SYSTEMS AND METHODS FOR PRODUCING HYDROCARBON MATERIAL FROM UNCONSOLIDATED FORMATIONS
A wellbore material transfer system is disclosed, and comprises a downhole fluid conductor defining a downhole-conducting fluid passage, an uphole fluid conductor defining an uphole-conducting fluid passage, a flow controller for opening and closing the uphole-conducting fluid passage, and a completion disposed within a wellbore and defining a wellbore interval between the completion and the wellbore, the completion including selectively openable first and second flow communicators. While the flow communicators are open and the uphole-conducting fluid passage is closed, a subterranean formation zone may be fractured, and flow communication is absent, via the second flow communicator and the uphole-conducting fluid passage, between the wellbore interval and the surface. While the flow communicators and the uphole-conducting fluid passage are open, the wellbore interval may be gravel packed, and a solids-depleted fluid is conductible, via the second flow communicator and the uphole-conducting fluid passage, from the wellbore interval to the surface.
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
63.
SYSTEMS AND METHODS FOR PRODUCING HYDROCARBON MATERIAL FROM UNCONSOLIDATED FORMATIONS
A wellbore material transfer system is disclosed, and comprises a downhole fluid conductor defining a downhole-conducting fluid passage, an uphole fluid conductor defining an uphole-conducting fluid passage, a flow controller for opening and closing the uphole-conducting fluid passage, and a completion disposed within a wellbore and defining a wellbore interval between the completion and the wellbore, the completion including selectively openable first and second flow communicators. While the flow communicators are open and the uphole-conducting fluid passage is closed, a subterranean formation zone may be fractured, and flow communication is absent, via the second flow communicator and the uphole-conducting fluid passage, between the wellbore interval and the surface. While the flow communicators and the uphole-conducting fluid passage are open, the wellbore interval may be gravel packed, and a solids-depleted fluid is conductible, via the second flow communicator and the uphole-conducting fluid passage, from the wellbore interval to the surface.
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
E21B 43/12 - Methods or apparatus for controlling the flow of the obtained fluid to or in wells
64.
ASYNCHRONOUS FRAC-TO-FRAC OPERATIONS FOR HYDROCARBON RECOVERY AND VALVE SYSTEMS
Date Submitted: 2022/06/01CA App. No.: 3160397Abstract:The present description relates to processes and systems for asynchronous frac-to-frac operations for recovering hydrocarbons. The processes can include the use of injection-only and production-only valves that include a housing and at least one sleeve as well as flow restriction components, check valves, or other features. The flow restriction component can be a tortuous path provided in the sleeve. The check valves can be integrated into the sleeve or into the housing of the valve. Various different types of valve assemblies can be used and integrated with flow restriction components and/or check valves.CA 03160397 2022- 6- 1
The present description relates to processes and systems for asynchronous frac-to-frac operations for recovering hydrocarbons. The processes can include the use of injection-only and production-only valves that include a housing and at least one sleeve as well as flow restriction components, check valves, or other features. The flow restriction component can be a tortuous path provided in the sleeve. The check valves can be integrated into the sleeve or into the housing of the valve. Various different types of valve assemblies can be used and integrated with flow restriction components and/or check valves.
The present description relates to processes and systems for asynchronous frac-to-frac operations for recovering hydrocarbons. The processes can include the use of injection-only and production-only valves that include a housing and at least one sleeve as well as flow restriction components, check valves, or other features. The flow restriction component can be a tortuous path provided in the sleeve. The check valves can be integrated into the sleeve or into the housing of the valve. Various different types of valve assemblies can be used and integrated with flow restriction components and/or check valves.
A valve assembly for integration within a wellbore string disposed within a hydrocarbon-containing reservoir is provided. The valve assembly includes a valve housing having a plurality of frac ports for establishing fluid communication between a central passage and the reservoir. The valve assembly includes a bottom sleeve operatively mounted within the valve housing configured to selectively open the frac ports, and a top sleeve operatively mounted within the valve housing slidable between (i) a first position defining a first fluid pathway whereby fluid is flowable down into the central passage and into the reservoir via the frac ports, and (ii) a tracing position defining a second fluid pathway whereby fluid is flowable from the reservoir into an annulus defined between the top sleeve and the housing. The valve assembly also has a tracer compartment defined within the annulus forming part of the second fluid pathway and accommodating a tracer material.
A valve assembly for integration within a wellbore string disposed within a hydrocarbon-containing reservoir is provided. The valve assembly includes a valve housing having a plurality of frac ports for establishing fluid communication between a central passage and the reservoir. The valve assembly includes a bottom sleeve operatively mounted within the valve housing configured to selectively open the frac ports, and a top sleeve operatively mounted within the valve housing slidable between (i) a first position defining a first fluid pathway whereby fluid is flowable down into the central passage and into the reservoir via the frac ports, and (ii) a tracing position defining a second fluid pathway whereby fluid is flowable from the reservoir into an annulus defined between the top sleeve and the housing. The valve assembly also has a tracer compartment defined within the annulus forming part of the second fluid pathway and accommodating a tracer material.
A method of fault detection and recovery in a tubing string located in a hydrocarbon well, a method of fault protection in a tubing string located in a hydrocarbon well, and an apparatus and system for same. In one aspect, there is provided a method of fault detection and recovery in a tubing string located in a hydrocarbon well, the tubing string having a plurality of valves, each valve having a control unit, each control unit being connected in series to a power-line providing power and communication, each of the control units being independently controllable. The method comprises: detecting a short circuit, fault or failure in one of the control units of the tubing string via an output of the power-line; causing individual control units to be selectively isolated from the power-line via a circuit interrupting device; and determining one or more control unit associated with the short circuit, fault or failure via the output of the power-line while individual control units are selectively isolated from the power-line.
E21B 47/12 - Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
E21B 34/06 - Valve arrangements for boreholes or wells in wells
G01R 31/52 - Testing for short-circuits, leakage current or ground faults
70.
Apparatuses, systems and methods for producing hydrocarbon material from a subterranean formation using a displacement process
Apparatuses, systems and methods for controlling production of hydrocarbon material disposed within a subterranean formation are provided. In one aspect, a method is provided for producing hydrocarbon material by displacement via flow communication station of a production well. Working states of the production well are analyzed by setting the flow communication stations in the working state, producing hydrocarbon material while in the working state, and sensing a characteristic of the produced material while in the working state. A working state that optimizes operating parameters of the of the production well is determined based on the sensed characteristic, and the production well is subsequently operated in that working state.
There is provided an apparatus for controlling flow in a well bore, comprising: a housing defining a fluid passage; a flow control device sealing an outlet of said fluid passage; an actuator for manipulating said flow controller control device to an open condition to permit fluid flow through said outlet; a controller for selectively activating said actuator; an acoustic receiver in communication with said controller, said acoustic receiver configured to receive acoustic signals comprising programming instructions for said controller.
E21B 43/12 - Methods or apparatus for controlling the flow of the obtained fluid to or in wells
E21B 47/18 - Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves through the well fluid
E21B 34/08 - Valve arrangements for boreholes or wells in wells responsive to flow or pressure of the fluid obtained
E21B 34/10 - Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
Oil recovery can include providing a tubing string and isolation devices to define isolated intervals for an existing well previously operated using plug-and-perf and primary production. Valve assemblies are installed in respective isolated intervals, each valve assembly including at least two valves. The valve can be operated in open and closed configurations, and at least one open configuration provides choked flow via an elongated passage. The valves can have a housing and a shiftable sleeve. The valve assemblies can be operated to provide a desired openness based on the injectivity or other properties by shifting the sleeves of the valves. Different flow resistance levels can be provided to facilitate enhanced operations for water flooding and other oil recovery processes.
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
E21B 43/16 - Enhanced recovery methods for obtaining hydrocarbons
A method, system and apparatus of optimizing operation of one or more tubing strings in a hydrocarbon well are provided. Each tubing string is located in a hydrocarbon well and has a plurality of valves. Each valve is actuatable between a fully open position and a fully closed position and is in communication with a respective zone of a formation defining a reservoir containing hydrocarbon material. The method includes characterizing an injectivity of one or more zones of the formation and determining an optimal operating schedule in accordance with the characterization. The optimal operating schedule comprises one or more valve configurations and an operating duration for each of the one or more valve configurations.
A rupture disc assembly and a float tool incorporating the rupture disc assembly is disclosed. The rupture disc assembly may include a rupture disc assembly comprising a rupture disc, an upper tubular portion and a lower tubular portion, and a securing mechanism for holding the rupture disc between the upper and lower tubular portions. A float tool for creating a buoyant chamber in a casing string may include the rupture disc assembly and a sealing device for sealing the lower end of the casing string, the buoyant, sealed chamber may be created there between. In operation, applied fluid pressure causes the rupture disc to move downward. The rupture disc may be shattered by contact with a surface on the lower tubular portion. Full casing internal diameter may be restored in the region where the rupture disc formerly sealed the casing.
A flow control apparatus for producing hydrocarbon material from a subterranean formation is disclosed. The apparatus includes a housing that defines a housing passage, and a flow communicator that extends through the housing for effecting fluid communication between the housing passage and the subterranean formation. The apparatus includes a flow controller within the housing for modulating flow communication between the housing passage and the subterranean formation via the flow communicator. The flow controller includes a filter medium-defining counterpart and a shroud-defining counterpart, and the filter medium-defining counterpart has a filter medium. The flow controller is configurable for disposition relative to the flow communicator to open, close, or screen the flow communicator. While the filter medium and the flow communicator are not aligned, the housing and shroud-defining counterpart shields the filter medium from the housing passage and the external environment.
There is provided a bottomhole assembly that is deployable downhole within a wellbore via a conveyance system effecting fluid communication between the surface and the bottomhole assembly. The bottomhole assembly includes an actuator tool and a shifting tool. The actuator tool is disposed for receiving transmission of a compressive force being applied to the conveyance system from the surface, and transmitting the compressive force for actuating the shifting tool. The actuator also includes an anchoring tool configured for hydraulic actuation, via fluid pressure forces communicated by the fluid conductor of the conveyance system, for becoming retained relative to the wellbore string. The actuator tool also includes a linear actuator that is extendible relative to the anchoring tool, while the anchoring tool is retained relative to the wellbore string, for transmitting a force to the actuated shifting tool with effect that the shifting tool is displaced relative to the wellbore.
E21B 23/01 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for anchoring the tools or the like
E21B 47/18 - Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves through the well fluid
There is provided a bottomhole assembly that is deployable downhole within a wellbore via a conveyance system. The conveyance system includes a fluid conductor for effecting fluid communication between the surface and the bottomhole assembly. The bottomhole assembly includes an actuator tool and a shifting tool. In some embodiments, for example, the actuator tool is disposed for receiving transmission of a compressive force being applied to the conveyance system from the surface, and transmitting the compressive force for actuating the shifting tool. In some embodiments, for example, the actuator includes an anchoring tool configured for hydraulic actuation, via fluid pressure forces communicated by the fluid conductor of the conveyance system, for becoming retained relative to the wellbore string. In some embodiments, for example, the actuator tool also includes a linear actuator that is extendible relative to the anchoring tool, while the anchoring tool is retained relative to the wellbore string, for transmitting a force to the actuated shifting tool with effect that the shifting tool is displaced relative to the wellbore.
E21B 23/01 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for anchoring the tools or the like
E21B 47/18 - Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves through the well fluid
A flow control apparatus for producing hydrocarbon material from a subterranean formation is disclosed. The apparatus includes a housing that defines a housing passage, and a flow communicator that extends through the housing for effecting fluid communication between the housing passage and the subterranean formation. The apparatus includes a flow controller within the housing for modulating flow communication between the housing passage and the subterranean formation via the flow communicator. The flow controller includes a filter medium-defining counterpart and a shroud-defining counterpart, and the filter medium-defining counterpart has a filter medium. The flow controller is configurable for disposition relative to the flow communicator to open, close, or screen the flow communicator. While the filter medium and the flow communicator are not aligned, the housing and shroud-defining counterpart shields the filter medium from the housing passage and the external environment.
A rupture disc assembly and a float tool incorporating the rupture disc assembly is disclosed. The rupture disc assembly may include a rupture disc assembly comprising a rupture disc, an upper tubular portion and a lower tubular portion, and a securing mechanism for holding the rupture disc between the upper and lower tubular portions. A float tool for creating a buoyant chamber in a casing string may include the rupture disc assembly and a sealing device for sealing the lower end of the casing string, the buoyant, sealed chamber may be created there between. In operation, applied fluid pressure causes the rupture disc to move downward. The rupture disc may be shattered by contact with a surface on the lower tubular portion. Full casing internal diameter may be restored in the region where the rupture disc formerly sealed the casing.
A flow control apparatus comprising: a housing, a housing passage disposed within the housing, a subterranean formation flow communicator for effecting flow communication between the subterranean formation and the housing passage, a flow control member, displaceable, relative to the subterranean formation flow communicator, for effecting at least opening of the subterranean formation flow communicator There is further provided a first actuation system for actuating displacement of the flow control member relative to the subterranean flow communicator. There is also provided a second actuation system for actuating displacement of the flow control member relative to the subterranean flow communicator. Relative to the central longitudinal axis of the housing passage, the first actuation system is angularly spaced from the second actuation system.
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
E21B 34/06 - Valve arrangements for boreholes or wells in wells
E21B 34/08 - Valve arrangements for boreholes or wells in wells responsive to flow or pressure of the fluid obtained
81.
APPARATUS, SYSTEMS AND METHODS FOR ACTUATION OF DOWNHOLE TOOLS
A flow control apparatus comprising: a housing, a housing passage disposed within the housing, a subterranean formation flow communicator for effecting flow communication between the subterranean formation and the housing passage, a flow control member, displaceable, relative to the subterranean formation flow communicator, for effecting at least opening of the subterranean formation flow communicator There is further provided a first actuation system for actuating displacement of the flow control member relative to the subterranean flow communicator. There is also provided a second actuation system for actuating displacement of the flow control member relative to the subterranean flow communicator. Relative to the central longitudinal axis of the housing passage, the first actuation system is angularly spaced from the second actuation system.
E21B 23/00 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
E21B 34/06 - Valve arrangements for boreholes or wells in wells
E21B 47/12 - Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
82.
Apparatuses and methods for enabling multistage hydraulic fracturing
There is provided a plurality of injection stations, wherein each one of the injection stations, independently, comprising: a housing; a port extending through the housing; a flow control member configured for displacement for effecting at least opening of the port such that, when the injection station is integrated within a wellbore string that is disposed within a wellbore of a subterranean formation, and treatment fluid is being supplied through a wellbore string passage of the wellbore string, injection of the supplied treatment fluid into the subterranean formation is effected through the port; and a deployable seat, mounted to the housing, and including an aperture, and configured such that, when the seat is deployed in a deployed position, the seat is configured for receiving a respective plug for seating of the respective plug over the aperture of the seat; such that a plurality of plugs are respective to the injection stations, wherein each one of the plugs is respective to a deployable seat of a one of the injection stations, such that each one of the plugs is respective to a one of the injection stations.
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
E21B 33/124 - Units with longitudinally-spaced plugs for isolating the intermediate space
There is provided a downhole tool comprising a locator. The locator includes a wellbore coupler for becoming releasably retained relative to a locate profile; and a wellbore coupler release opposer configured for opposing release of the wellbore coupler from the retention relative to the locate profile. While the opposing of the release of the wellbore coupler from the retention relative to the locate profile is being effected by the wellbore coupler release opposer, relative displacement between the wellbore coupler release opposer and the wellbore coupler is effectible, with effect that the opposing is defeated. The locator also includes a displacement impeder for impeding the relative displacement between the wellbore coupler release opposer and the wellbore coupler.
E21B 23/02 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for locking the tools or the like in landing nipples or in recesses between adjacent sections of tubing
E21B 23/00 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
E21B 47/09 - Locating or determining the position of objects in boreholes or wellsIdentifying the free or blocked portions of pipes
E21B 23/01 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for anchoring the tools or the like
84.
RE-CLOSEABLE DOWNHOLE VALVES WITH IMPROVED SEAL INTEGRITY
An apparatus and a method of controlling flow communication with an apparatus are disclosed. The apparatus includes a flow communicator, a flow control member, an uphole-disposed flow interference effector uphole of the flow communicator, and a downhole-disposed flow interference effector downhole of the flow communicator. While each of the uphole-disposed flow interference effector and the downhole-disposed flow interference-effector, independently, is contacting the flow control member, the flow communicator is closed. Displacement of the flow control member, relative to the flow communicator, in the downhole direction, opens the flow communicator. While there is an absence of occlusion of the second uphole-disposed flow interference-effecting member of the uphole-disposed flow interference effector, the flow control member is disposable, relative to the flow communicator, such that each one of the second-uphole disposed flow interference-effecting member and the downhole-disposed flow interference-effector, independently, is contacting the flow control member, such that the flow communicator is closed.
An apparatus and a method of controlling flow communication with an apparatus are disclosed. The apparatus includes a flow communicator, a flow control member, an uphole-disposed flow interference effector uphole of the flow communicator, and a downhole-disposed flow interference effector downhole of the flow communicator. While each of the uphole-disposed flow interference effector and the downhole-disposed flow interference-effector, independently, is contacting the flow control member, the flow communicator is closed. Displacement of the flow control member, relative to the flow communicator, in the downhole direction, opens the flow communicator. While there is an absence of occlusion of the second uphole-disposed flow interference-effecting member of the uphole-disposed flow interference effector, the flow control member is disposable, relative to the flow communicator, such that each one of the second-uphole disposed flow interference-effecting member and the downhole-disposed flow interference-effector, independently, is contacting the flow control member, such that the flow communicator is closed.
There is provided a flow control apparatus configured for optimizing use of available space within the wellbore for conducting of fluids between the surface and the subterranean formation. The flow control apparatus is useable for conducting all forms of fluid, such as, for example, liquids, gases, or mixtures of liquids and gases. As well, the flow control apparatus is useable for effecting injection of fluid (e.g. a fluid for stimulating hydrocarbon production via a drive process, such as, for example, waterflooding, or via a cyclic process, such as "huff and puff") into the subterranean formation, and for receiving production of fluid (e.g. hydrocarbon material) from the subterranean formation (including production that is stimulated by gas lift).
B02C 18/00 - Disintegrating by knives or other cutting or tearing members which chop material into fragmentsMincing machines or similar apparatus using worms or the like
E21B 34/06 - Valve arrangements for boreholes or wells in wells
E21B 43/12 - Methods or apparatus for controlling the flow of the obtained fluid to or in wells
87.
APPARATUSES, SYSTEMS AND METHODS FOR HYDROCARBON MATERIAL FROM A SUBTERRANEAN FORMATION USING A DISPLACEMENT PROCESS
There is provided a flow control apparatus configured for optimizing use of available space within the wellbore for conducting of fluids between the surface and the subterranean formation. The flow control apparatus is useable for conducting all forms of fluid, such as, for example, liquids, gases, or mixtures of liquids and gases. As well, the flow control apparatus is useable for effecting injection of fluid (e.g. a fluid for stimulating hydrocarbon production via a drive process, such as, for example, waterflooding, or via a cyclic process, such as "huff and puff") into the subterranean formation, and for receiving production of fluid (e.g. hydrocarbon material) from the subterranean formation (including production that is stimulated by gas lift).
E21B 34/06 - Valve arrangements for boreholes or wells in wells
B02C 18/00 - Disintegrating by knives or other cutting or tearing members which chop material into fragmentsMincing machines or similar apparatus using worms or the like
E21B 43/12 - Methods or apparatus for controlling the flow of the obtained fluid to or in wells
88.
Apparatus, systems and methods for isolation during multistage hydraulic fracturing
A flow control apparatus is provided comprising: a housing including a port; a housing passage disposed within the housing; a flow control member, displaceable, relative to the port, for effecting opening of the port; and a co-operating member. The flow control member and the co-operating member are co-operatively configured such that displacement of the flow control member, relative to the port, is with effect that a force is applied by the flow control member to the co-operating member, with effect that a seating surface is obtained for receiving a flow communication interference body that is being conducted through the housing passage. The seating surface is obtained in response to a deformation effected by the applied force.
E21B 34/10 - Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
E21B 34/06 - Valve arrangements for boreholes or wells in wells
G05D 7/06 - Control of flow characterised by the use of electric means
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
G05D 7/01 - Control of flow without auxiliary power
E21B 43/26 - Methods for stimulating production by forming crevices or fractures
89.
Wellbore flow control apparatus with solids control
A wellbore apparatus to control the flow of fluids into the wellbore, comprising: a housing; a passage disposed within the housing; a flow communicator for allowing communication into the passage; a flow control member; and frangible members releasably retaining the flow control member to the housing in a retained position, and configured, while the apparatus is disposed in an operative orientation, for becoming fractured in response to application of a force in a downhole direction to release the flow control member from the housing such that the flow control member becomes displaceable relative to the flow communicator; wherein: the flow communicator and the flow control member are configured such that, while the apparatus is disposed in the operative orientation within the wellbore, the flow control member is disposed uphole relative to the retained position while the flow communicator is disposed in the open condition.
E21B 34/06 - Valve arrangements for boreholes or wells in wells
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
A method of optimizing operation one or more tubing strings in a hydrocarbon well, apparatus and system for same. Each tubing string is located in a hydrocarbon well and has a plurality of valves. Each valve is actuatable between a fully open position and a fully closed position, and is in communication with a respective zone of a formation defining a reservoir containing hydrocarbon material. The method comprises: characterizing an injectivity of one or more zones of the formation in accordance with pressure data associated with each of the one or more zones of the formation; and determining an optimal operating schedule in accordance with the characterization of the one or more zones of the formation and one or more performance objectives, wherein the optimal operating schedule comprises one or more valve configurations and an operating duration for each of the one or more valve configurations, wherein each valve configuration is defined by a condition of the valves in which each valve in the plurality of valves is in either the fully open position or the fully closed position.
A method of fault detection and recovery in a tubing string located in a hydrocarbon well is described, the tubing string having a plurality of valves, each valve having a control unit, each control unit being connected in series to a power-line providing power and communication, each of the control units being independently controllable. The method includes: detecting a short circuit, fault or failure in one of the control units of the tubing string via an output of the power-line; causing individual control units to be selectively isolated from the power-line via a circuit interrupting device; and determining one or more control units associated with the short circuit, fault or failure via the output of the power-line while individual control units are selectively isolated from the power-line. A method of fault protection in a tubing string, and an apparatus and system for the same are also described.
E21B 47/12 - Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
E21B 34/06 - Valve arrangements for boreholes or wells in wells
G01R 31/52 - Testing for short-circuits, leakage current or ground faults
92.
METHOD OF FAULT DETECTION AND RECOVERY IN A TUBING STRING LOCATED IN A HYDROCARBON WELL, AND APPARATUS FOR SAME
A method of fault detection and recovery in a tubing string located in a hydrocarbon well, a method of fault protection in a tubing string located in a hydrocarbon well, and an apparatus and system for same. In one aspect, there is provided a method of fault detection and recovery in a tubing string located in a hydrocarbon well, the tubing string having a plurality of valves, each valve having a control unit, each control unit being connected in series to a power-line providing power and communication, each of the control units being independently controllable. The method comprises: detecting a short circuit, fault or failure in one of the control units of the tubing string via an output of the power-line; causing individual control units to be selectively isolated from the power-line via a circuit interrupting device; and determining one or more control unit associated with the short circuit, fault or failure via the output of the power-line while individual control units are selectively isolated from the power-line.
E21B 47/12 - Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
93.
METHOD OF FAULT DETECTION AND RECOVERY IN A TUBING STRING LOCATED IN A HYDROCARBON WELL, AND APPARATUS FOR SAME
A downhole fault protection system for multiple stages of downhole valves in a well is provided. The system includes a main power-line having a plurality of branch lines connected thereto, a control unit for a valve connected to each of the branch lines, and a line protection circuit for each of the control units. Each line protection circuit includes a circuit interrupting device for isolating the valve from the main power-line when an amperage threshold at the control unit is exceeded. The amperage thresholds of the circuit interrupting devices decrease in a descending order from a heel of the hydrocarbon well to a toe of the hydrocarbon well, enabling valves to be selectively isolated in order from the toe to the heel by increasing a current applied to the line protection circuits.
E21B 34/00 - Valve arrangements for boreholes or wells
E21B 43/12 - Methods or apparatus for controlling the flow of the obtained fluid to or in wells
E21B 47/12 - Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
H02H 3/033 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection Details with several disconnections in a preferential order
H02H 3/10 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to excess current additionally responsive to some other abnormal electrical conditions
A downhole tool deployable within a wellbore for controlling the supply of treatment to fluid to a reservoir is disclosed. The downhole tool includes a housing defining a passage and a port extending through the housing. The housing includes a seat that is configured for displacement into a plug-receiving position for receiving a plug that is deployed through the passage. A key profile for effecting actuation of the seat to the plug-receiving position in response to registration of the key profile with a matching key on the plug being deployed through the passage is provided. The downhole tool further includes a flow control member configured for displacement relative to the port in response to application of a sufficient net force effected by a fluid pressure differential that is created by supplying pressurized fluid to the passage while the plug is deployed on the seat.
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
95.
Apparatus and method for treating a reservoir using re-closeable sleeves, and actuating the sleeves with bi-directional slips
A bottomhole assembly for deployment within a wellbore string disposed within a wellbore. The assembly comprises a first mandrel; a second mandrel including a locator for becoming disposed within a locate profile of the wellbore string; a shifting tool including a first gripper surface and a second gripper surfaces; a first shifting tool actuator and a second shifting tool actuator that are translatable with the first mandrel. The shifting tool is displaceable in response to urging by the first shifting tool actuator and the second shifting tool actuator to become disposed in gripping engagement with a flow control member. The second mandrel includes a retainer for limiting displacement of the shifting tool, relative to second mandrel, in both downhole and uphole directions.
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
There is provided a process for stimulating hydrocarbon production from a subterranean formation, comprising: conducting stimulation material to the subterranean formation via a wellbore, wherein the stimulation material includes solid particulate material; within the wellbore, agitating the conducted stimulation material with a fluid motion-actuating tool, such as, for example, a coiled tubing agitator tool.
There is provided a flow control apparatus including a housing, a port, a flow control member, a sensor, and a trigger. The housing includes a housing passage. The port extends through the housing. The flow control member includes a fluid responsive surface, and is configured for displacement, relative to the port, such that fluid communication is effected between the port and the housing passage. The sensor is coupled to the housing for sensing an actuating signal. The trigger is configured for effecting fluid communication between the housing passage and the fluid responsive surface, in response to the sensing of an actuating signal by the sensor, for effecting displacement of the flow control member.
There is provided a flow control apparatus configured for integration within a wellbore string disposed within a wellbore extending into a subterranean formation and useable for effecting production of hydrocarbon material by providing flow communication for injection of treatment material for stimulating the reservoir and then receiving hydrocarbon material from the stimulated reservoir, and also for effecting production of hydrocarbon material by providing flow communication for injection of a displacement fluid for displacing hydrocarbon material to a second wellbore.
There is provided a flow control apparatus configured for integration within a wellbore string disposed within a wellbore extending into a subterranean formation and useable for effecting production of hydrocarbon material by providing flow communication for injection of treatment material for stimulating the reservoir and then receiving hydrocarbon material from the stimulated reservoir, and also for effecting production of hydrocarbon material by providing flow communication for injection of a displacement fluid for displacing hydrocarbon material to a second wellbore.
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
E21B 43/12 - Methods or apparatus for controlling the flow of the obtained fluid to or in wells
E21B 43/16 - Enhanced recovery methods for obtaining hydrocarbons
100.
A PROCESS FOR PRODUCING HYDROCARBON MATERIAL FROM A SUBTERRANEAN FORMATION WHILE EMPLOYING SOLIDS CONTROL
There is provided a hydrocarbon production process including stimulating a hydrocarbon material-containing reservoir by hydraulic fracturing of the hydrocarbon material-containing reservoir with a treatment material including proppant. The treatment material is injected such that a frac pack is obtained. During production, hydrocarbon material is conducted from the reservoir to the surface via the frac pack. Flow control members are manipulated to enable injection of the treatment material and, subsequently, production of the hydrocarbon material from the reservoir.
E21B 43/12 - Methods or apparatus for controlling the flow of the obtained fluid to or in wells
E21B 34/14 - Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
E21B 43/267 - Methods for stimulating production by forming crevices or fractures reinforcing fractures by propping
patents
