An interchangeable module configured to be used in an integrated perforating gun and setting tool system, the interchangeable module having a body having a chamber, a first electrical connection located at a first end of the chamber, and a second electrical connection located at a second end of the chamber. The first end is opposite to the second end. An addressable switch located inside the chamber, the addressable switch has a digital address. A connection unit located inside the chamber and configured to electrically connect the addressable switch to an initiating device. The interchangeable module is configured to be used (1) between a first gun cluster and a second gun cluster and (2) between a distal gun cluster and a setting tool, and the first and second electrical connections are electrically connected to the addressable switch.
A detonator module comprising: a housing with a first housing half and a second housing half, a detonator contained within the housing, a child board comprising a terminal header, wherein the child board is contained within the housing and the first housing half exposes the terminal header to an exterior of the housing, a switch mounted to an exterior surface of the housing, and a plurality of switch leads connecting the switch to the terminal header.
A housing for an electrical component of a gun system is disclosed. The housing includes a housing body, an uphole bulkhead, and a downhole bulkhead. The housing body defines a cavity. The uphole bulkhead is disposed at least partially within the cavity. The downhole bulkhead is disposed at least partially within the cavity and opposite to the uphole bulkhead. The downhole bulkhead includes an electrical contact extending between a first end and a second end of the downhole bulkhead. The cavity, the uphole bulkhead, and the second end of the downhole bulkhead define a sealed volume configured to receive and isolate the electrical component. The electrical contact is configured to be electrically connected to the electrical component.
A downhole tool for connecting and releasing portions of a tool string includes a housing; an electronics assembly; an activation mechanism; a valve assembly and a set of retainer dogs to connect and release a neck of another tool. The downhole tool may also include one or more measurement sensors for measuring a parameter and transferring one or more measured parameter values to the surface of the well.
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 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
9.
SHAPED CHARGE LOAD TUBE WITH INTEGRATED DETONATION CORD RETENTION MECHANISM
A loading tube is configured to receive one or more shaped charges to form a perforating gun. The loading tube includes a tubular body extending along a longitudinal axis; a cord passage formed into the tubular body; a retention cutoff formed into the tubular body and configured to receive a detonator cord; and a holding element extending into the retention cutoff and being integrally made with a wall of the tubular body, wherein the holding element is configured to hold the detonator cord into the retention cutoff. The cord passage is configured to receive the detonator cord from a bore of the tubular body and to direct the detonator cord outside the bore of the tubular body.
A perf and wash system (300) for plugging a casing and wellbore, the perf and wash system including a cleaning tool (310) having at least one nozzle (312) making a first angle with a longitudinal axis of the system; a perforating gun assembly (320) having at least one shaped charge (510) making a second angle with the longitudinal axis; and a plug (334) connected with a first end to the cleaning tool (310) and with a second end, opposite to the first end, to the perforating gun assembly (320). The first angle is substantially equal to the second angle and the first and second angles are different than 90 degrees.
A switch assembly, which is part of a chain of switch assemblies, includes a communication unit (CU) configured to receive, from an external controller, a fire command to activate a detonator and a computing core (CC) configured to locally make a decision whether or not to activate the detonator, after receiving the fire command to activate the detonator.
An interchangeable module configured to be used in an integrated perforating gun and setting tool system, the interchangeable module having a body having a chamber, a first electrical connection located at a first end of the chamber, and a second electrical connection located at a second end of the chamber. The first end is opposite to the second end. An addressable switch located inside the chamber, the addressable switch has a digital address. A connection unit located inside the chamber and configured to electrically connect the addressable switch to an initiating device. The interchangeable module is configured to be used (1) between a first gun cluster and a second gun cluster and (2) between a distal gun cluster and a setting tool, and the first and second electrical connections are electrically connected to the addressable switch.
An improved perforating gun with novel endplates is disclosed along with a corresponding method of assembly. The endplate may include a base with first end separated from a second end separated by a curved sidewall centered around a longitudinal axis and a set of tube tabs flexibly coupled to the base and extending from the second end. The endplate may include a carrier tab with an integrated alignment pin. Selected embodiments may also include a zero-tension connector with a sliding contact mounted within a cavity of a housing, a through-wire connected to the sliding contact. The novel endplate reduces the cost and complexity of manufacture and installation.
F16B 2/04 - Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening internal, i.e. with spreading action
A perforating gun string is configured to perforate a casing of a well, and the perforating gun string includes a latch mechanism configured to engage with the casing, one or more perforating guns connected with a cable to the latch mechanism, and a global cable that releasably holds together the latch mechanism and the one or more individual perforating guns. The perforating gun string may also comprise a spreading mechanism configured to move away from the latch mechanism and to spread the one or more individual perforating guns away from the latch mechanism.
E21B 23/14 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for displacing a cable or a cable-operated tool, e.g. for logging or perforating operations in deviated wells
A switch assembly, which is part of a chain of switch assemblies. The switch assembly includes a micro-controller PB that has no address, a thru-line switch, and a detonator switch. The micro-controller PB is configured to directly communicate with an upstream or downstream switch assembly through a pulsing scheme, and the micro-controller PB receives no command from a surface controller.
H01H 47/02 - Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay
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
A convertible and addressable switch assembly incudes an interface (I/O) configured to connect to a controller along a telemetry system; and a processor connected to the interface (I/O). The processor is configured to receive a command from the controller, along the telemetry system, to change a first value of a mode status variable to a desired second value, wherein the first value is associated with a first operating mode of the switch assembly and the second value is associated with a second operating mode, which is different from the first operating mode; change the first value to the second value within the switch assembly; and store in a non-volatile memory, at the switch assembly, the second value of the mode status variable.
A fluid control system includes a fluid control device configured to be connected to at least one of two casing elements in a well, for controlling a fluid flow between a bore of the fluid control device and a zone located outside the casing elements; and a tracer material located within an inner chamber of a body of the fluid control device, the tracer material being uniquely associated with the fluid control device. The fluid control device is configured to release, when activated, the tracer material out of the inner chamber.
A wireline release tool for downhole intervention, the tool including a housing having an electrical input and an electrical output; a pass-through switch located inside the housing and electrically connected between the electrical input and the electrical output; and a current limiter device located inside the housing and electrically connected between the electrical input and the electrical output. The pass-through switch is connected in parallel to the current limiter device, between the electrical input and the electrical output.
E21B 43/119 - Details, e.g. for locating perforating place or direction
F42C 15/42 - Arming-means in fuzesSafety means for preventing premature detonation of fuzes or charges wherein the safety or arming action is effected electrically from a remote location, e.g. for controlled mines or mine fields
G01V 11/00 - Prospecting or detecting by methods combining techniques covered by two or more of main groups
H02H 3/20 - 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 voltage
H02H 9/02 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
20.
One-click contact detonator for perforating gun system
A detonator for initiating a firing of a shaped charge in a gun is configured to include a housing having first and third conducting portions and a second insulating portion, which is sandwiched between the first and third conducting portions; an initiator located fully inside the first conducting portion or the third conducting portion; a first electrical line electrically connecting the initiator to an internal wall of the third conducting portion; and a second electrical line electrically extending from the initiator to the first conducting portion, through the entire second insulating portion.
A non-explosive punch system for making perforations in a casing includes a housing and one or more punch elements configured to extend through a wall of the housing to perforate a casing of the well. An actuating device is located within the housing and may comprise a piston and an actuator block configured to actuate the one or more punch elements. An energy supply device is also located within the housing and may comprise a valve to direct fluid flow and a piston configured to use a pressure of a well fluid present in the casing, to actuate the actuating device. No explosive material is present in the punch system.
A switch assembly, which is part of a chain of switch assemblies, includes a communication unit (CU) configured to receive, from an external controller, a fire command to activate a detonator, a voltage measuring unit configured to locally measure a voltage (V) at the switch assembly after receiving the fire command to activate the detonator, a computing core (CC) configured to locally make a decision whether or not to activate the detonator, after receiving the fire command to activate the detonator and after measuring the voltage (V), based on whether or not the measured voltage (V) at the switch assembly is larger than a threshold value.
E21B 47/10 - Locating fluid leaks, intrusions or movements
E21B 43/267 - Methods for stimulating production by forming crevices or fractures reinforcing fractures by propping
E21B 43/29 - Obtaining a slurry of minerals, e.g. by using nozzles
G06F 30/28 - Design optimisation, verification or simulation using fluid dynamics, e.g. using Navier-Stokes equations or computational fluid dynamics [CFD]
A shaped charge is configured to make a non-circular perforation into a casing. The shaped charge includes a case having a side wall that extends between an open top region and a base; an asymmetric initiation insert configured to fit within the case; an explosive material placed over the asymmetric initiation insert and in contact with the side wall of the case; and a liner placed over the explosive material, to hold the explosive material within the case. The asymmetric initiation insert has a body that includes first and second channels that extend from a bottom surface to a top surface of the body, so that a detonation at the bottom surface is directed to first and second initiation points, that correspond to the first and second channels.
A perforating gun for use in a well casing, the gun having a gun carrier extending along a longitudinal axis; plural shaped charges located inside the gun carrier, in groups of three, a first group of three shaped charges being positioned in a first single plane, transverse to the longitudinal axis, and a second group of three shaped charges being positioned in a second single plane, transverse to the longitudinal axis; and a charge holder configured to carry the plural shaped charges, the charge holder configured to be inserted into the gun carrier. The first and second groups of three charges are spaced along the longitudinal axis so that a third single plane, transverse to the longitudinal axis, intersects each of the six shaped charges of the first and second groups of three charges, to achieve an ultra-short, high-density, perforating gun.
A convertible and addressable switch assembly includes an interface (I/O) configured to connect to a controller along a telemetry system; and a processor connected to the interface (I/O). The processor is configured to receive a command from the controller, along the telemetry system, to change a first value of a mode status variable to a desired second value, wherein the first value is associated with a first operating mode of the switch assembly and the second value is associated with a second operating mode, which is different from the first operating mode; change the first value to the second value within the switch assembly; and store in a non-volatile memory, at the switch assembly, the second value of the mode status variable.
A downhole tool for sealing a well includes a push ring, a first slip ring located adjacent to the push ring, a first wedge located adjacent to the first slip ring and configured to radially push the first slip ring and separate the first slip ring into individual parts, and a sealing element located adjacent to the first wedge and configured to seal the well. An upstream end of the first slip ring and a downstream end of the push ring form a wavy interface when in contact. The wavy interface locks the first slip ring relative to the push ring to prevent a rotation of the first slip ring relative to the push ring.
A testing system for a shaped charge of a perforating gun, the testing system including a housing; a casing assembly located inside the housing; a perforating gun having at least one shaped charge, the perforating gun being located within the casing assembly; a sample material located within the housing, and in direct contact with the casing assembly; a wellbore accumulator in direct contact with the casing assembly and configured to supply a first fluid, at a wellbore pressure, inside the casing assembly; and a formation accumulator in direct contact with the sample material and configured to supply a second fluid, at a formation pressure, on the sample material.
E21B 47/13 - 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 by electromagnetic energy, e.g. of radio frequency range
A perforating gun for perforating a casing of a well includes one or more shaped charges configured to perforate the casing; a loading tube configured to hold the one or more shaped charges; a housing having a cylindrical shape and configured to receive inside the loading tube and the one or more shaped charges; and a protective tube located in an annulus formed between the housing and the loading tube.
A gun assembly for perforating a well, the gun assembly including a single carrier; a first gun cluster, the first gun cluster including first plural shaped charges; and a second gun cluster, the second gun cluster including second plural shaped charges. The first gun cluster and the second gun cluster are placed in the single carrier.
A downhole system including a gun string configured to be deployed into a wellbore, the gun string including plural gun assemblies. A detonator block attached to a given gun assembly of the plural gun assemblies. The detonator block includes a switch assembly. The switch assembly includes a communication unit (CU) configured to receive, from an external controller, a fire command to activate a detonator associated with the detonator block, a measuring unit configured to measure a parameter (V) at the switch assembly, and a computing core (CC) configured to locally make a decision whether to activate or not the detonator, after the fire command is received from the external controller, based on whether a voltage measured by the measuring unit at the switch assembly is larger or not than a threshold voltage.
A firing head configured to initiate the firing of an element in a perforating gun. The firing head includes an insert having a bore extending along a longitudinal direction X; a percussion detonator facing the bore and including an explosive material that is configured to detonate; a firing pin located partially in the bore; and a retention mechanism located on the firing pin and preventing the firing pin to move along the longitudinal direction X into the bore. The retention mechanism includes a degradable material that is configured to chemically react with a well fluid so that the retention mechanism degrades until freeing the firing pin so that the firing pin moves along the longitudinal direction X into the bore and strikes the percussion detonator.
F42C 9/08 - Time fuzesCombined time- and percussion- or pressure-actuated fuzesFuzes for timed self-destruction of ammunition the timing being caused by chemical action, e.g. of acids
A centralizing device is configured to centralize/decentralize an associated tool in a well. The centralizing device includes a body that extends along a longitudinal axis X, the body having a bore that extends from one end to another end of the body; a first piston shaped as a cylinder and provided around a central portion of the body; a second piston shaped as a cylinder and provided around the central portion of the body; a bridge provided around the central portion of the body, between the first and second pistons; and a pair of arms, each arm being attached with one end to a corresponding one of the first and second pistons and with another end to each other. The second piston, the bridge, and the central portion of the body define a sealed chamber, which is sealed from the ambient.
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
A setting kit for connecting a plug to a setting tool includes a collet connecting part configured to be attached to an internal sleeve of the setting tool; and a collet configured to be attached with a first end to the collet connecting part and with a second end to the plug. The second end automatically connects to the plug by only pushing the second end onto the plug.
A loading tube is configured to receive one or more shaped charges to form a perforating gun. The loading tube includes a tubular body extending along a longitudinal axis; a cord passage formed into the tubular body; a retention cutoff formed into the tubular body and configured to receive a detonator cord; and a holding element extending into the retention cutoff and being integrally made with a wall of the tubular body, wherein the holding element is configured to hold the detonator cord into the retention cutoff. The cord passage is configured to receive the detonator cord from a bore of the tubular body and to direct the detonator cord outside the bore of the tubular body.
A perf and wash system for plugging a casing and wellbore, the perf and wash system including a cleaning tool having at least one nozzle making a first angle with a longitudinal axis of the system; a perforating gun assembly having at least one shaped charge making a second angle with the longitudinal axis; and a plug connected with a first end to the cleaning tool and with a second end, opposite to the first end, to the perforating gun assembly. The first angle is substantially equal to the second angle and the first and second angles are different than 90 degrees.
An interchangeable module configured to be used in an integrated perforating gun and setting tool system, the interchangeable module having a body having a chamber, a first electrical connection located at a first end of the chamber, and a second electrical connection located at a second end of the chamber. The first end is opposite to the second end. An addressable switch located inside the chamber, the addressable switch has a digital address. A connection unit located inside the chamber and configured to electrically connect the addressable switch to an initiating device. The interchangeable module is configured to be used (1) between a first gun cluster and a second gun cluster and (2) between a distal gun cluster and a setting tool, and the first and second electrical connections are electrically connected to the addressable switch.
A wellbore select fire switch retaining member system and method with an integrated through wire and ground wire in a switch sub. The system/method includes a retaining member that has a form factor acceptable by a conventional switch sub. The retaining member incorporates an electrical connection to the center pin of a pressure switch. The system further includes a secondary piston aligned with a piston in the switch (switch piston) so that external pressure is fully acted upon the entire switch piston creating a reliable switch connection. Another system includes an integrated retaining member and switch module having a form factor compatible with existing switch subs. The integrated module inputs include a ground wire and a through wire and the outputs include a ground wire, through wire and an arming wire.
H01H 47/02 - Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay
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
42.
CONVERTIBLE AND ADDRESSABLE SWITCH_ASSEMBLY FOR WELLBORE OPERATIONS
A convertible and addressable switch assembly (632) includes an interface (I/O) configured to connect (800) to a controller (206) along a telemetry system (205); and a processor (PA) connected to the interface (I/O). The processor is configured to receive (802) a command from the controller (206), along the telemetry system (205), to change a first value of a mode status variable to a desired second value, wherein the first value is associated with a first operating mode of the switch assembly (632) and the second value is associated with a second operating mode, which is different from the first operating mode; change (804) the first value to the second value within the switch assembly (632); and store (806) in a non-volatile memory (238), at the switch assembly (632), the second value of the mode status variable.
AA) connected to the interface (I/O). The processor is configured to receive (802) a command from the controller (206), along the telemetry system (205), to change a first value of a mode status variable to a desired second value, wherein the first value is associated with a first operating mode of the switch assembly (632) and the second value is associated with a second operating mode, which is different from the first operating mode; change (804) the first value to the second value within the switch assembly (632); and store (806) in a non-volatile memory (238), at the switch assembly (632), the second value of the mode status variable.
A perforating gun includes first and second shaped charges. Each of the shaped charges includes a case, a liner, and an explosive. Each liner has a subtended angle about an apex of the liner. A first jet formed by the first shaped charge creates a first entrance hole in a first region of a well casing, and a second jet formed by the second shaped charge, creates a second entrance hole in a second region of the casing. The second region is below the first region in the casing. A ratio of a diameter of the first entrance hole to a diameter of the second entrance hole is 1 when the subtended angle is between 100° and 110°, the ratio is less than 1 when the subtended angle is between 90° and 100°, and the ratio is greater than 1 when the subtended angle is greater than 110°.
A perforating gun system with at least one gun. Each of the perforating guns have charges disposed in a gun carrier that are angled to the longitudinal axis of the gun to achieve a predetermined proppant transport profile into clusters within a stage in a well casing. The perforation tunnels may also have burrs on each side of the casing and acts in initially aiding proppant transport during fracture treatment. A method of tuning a cluster to achieve a desired fracturing treatment based on a feedback from another cluster includes selecting a hole diameter, a hole angle for creating an angled opening, a discharge coefficient, and a proppant efficiency. Moreover, a method of improving perforation charge efficiency.
F42B 12/76 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the casing
A downhole tool for connecting and releasing portions of a tool string includes a housing; an electronics assembly; an activation mechanism; a valve assembly and a set of retainer dogs to connect and release a neck of another tool. The downhole tool may also include one or more measurement sensors for measuring a parameter and transferring one or more measured parameter values to the surface of the well.
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 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
A wellbore perforating system and method with reliable and safer connections in a perforating gun assembly is disclosed. The system/method includes a gun string assembly (GSA) deployed in a wellbore with multiple perforating guns attached to plural switch subs. The perforating guns are pre-wired with a cable having multi conductors; the multi conductors are connected to electrical ring contacts on either end of the perforating guns. The switch subs are configured with electrical contacts that are attached to the electrical contacts of the perforating guns without the need for manual electrical connections and assembly in the field of operations. The system further includes detonating with a detonator that is positioned upstream of the perforating gun. The detonator is wired to a switch that is positioned downstream of the perforating gun.
E21B 29/02 - Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windowsDeforming of pipes in boreholes or wellsReconditioning of well casings while in the ground by explosives or by thermal or chemical means
A quick connect system for connecting a first downhole tool to a second downhole tool, the quick connect system including a quick connect device configured to be mechanically attached to the first downhole tool; and a top sub configured to be mechanically attached to the quick connect device and also to the second downhole tool. The top sub has a first bulkhead element that prevents a high pressure gas from the second downhole tool to damage the quick connect device.
E21B 17/042 - CouplingsJoints between rod and bit, or between rod and rod threaded
F16L 37/26 - Couplings of the quick-acting type in which the connection is made by transversely moving the parts together, with or without their subsequent rotation
49.
High density cluster based perforating system and method
An ultra-short, high-density, perforating gun for use in a well casing includes a gun carrier extending along a longitudinal axis, only 2 charges located inside the gun carrier, the only 2 charges being positioned in a single plane transverse to the longitudinal axis, and a charge holder configured to carry the only 2 charges, the charge holder configured to be inserted into the gun carrier. The gun carrier ranges in length from 4 inches to 11 inches. A diameter of the gun carrier ranges from 1 to 4 inches, and wherein at least one charge of the only 2 charges has a liner that has a subtended angle from 100° to 120°.
A method for controlling a target switch assembly in a chain of switch assemblies includes distributing the chain of switch assemblies in a wellbore; placing a controller at a head of the wellbore; making a first decision, at the controller, to actuate a corresponding detonator of the target switch assembly; transmitting, from the controller to the target switch assembly, a fire command to activate the corresponding detonator; and making a second decision, locally, at the target switch assembly, to activate the detonator, after the fire command from the controller is received.
Perforating explosive equipment for use in oil and gas wells, namely, perforating guns specially adapted for use with explosives, sold empty without explosives and sold filled with explosives.
52.
Integrated perforating gun and setting tool system and method
An interchangeable module is configured to be used in an integrated perforating gun and setting tool system. The interchangeable module includes a body having first external threads; an addressable switch located inside the body; and a connection unit located inside the body and configured to electrically connect to an initiating device. The interchangeable module is configured to be used (1) between a first gun cluster and a second gun cluster and (2) between a distal gun cluster and a setting tool.
A setting tool (402) for setting a plug in a well, the setting tool (402) including a body (404) extending along a longitudinal axis X; a rod (408) extending along the longitudinal axis of the body (404), from an upstream end (402B) to a downstream end (402A) of the body (404); a chamber (406) formed at the downstream end (402A) of the body; and a restriction element (450) located in the chamber (406). The rod (408) extends through the entire chamber (406) and the restriction element (450) is located between the rod (408) and a wall (404A) of the chamber (406).
A method for fracturing a well casing includes forming plural perforation clusters into a stage N associated with the well casing; fracturing the plural perforation clusters; forming a current stage N+1 by placing a plug within the stage N, to isolate a first subset of the plural perforation clusters from a second subset of the plural perforation clusters; and fracturing a second time the second subset, but not the first subset.
A top set plug (410) for sealing against a casing (102) of a well. The plug (410) includes a mandrel (412) having a throughout bore (413) that extends from a top end (412A) to a bottom end (412B); a connecting mechanism (414) located at the top end (412A) of the mandrel (412); a sealing element (424) located around the mandrel (412) and configured to be pushed toward an internal wall of the casing (102); an upper wedge (422) configured to push the sealing element (424) against the casing (102); and a slip ring (426) configured to push the sealing element (424) over the upper wedge (422) and also to engage the inner wall of the casing with buttons (428) for preventing the plug to slide along the casing.
A fluid control system includes a fluid control device configured to be connected to at least one of two casing elements in a well, for controlling a fluid flow between a bore of the fluid control device and a zone located outside the casing elements; and a tracer material located within an inner chamber of a body of the fluid control device, the tracer material being uniquely associated with the fluid control device. The fluid control device is configured to release, when activated, the tracer material out of the inner chamber.
A setting tool for setting an auxiliary tool in a well includes a housing holding a floating piston assembly, the floating piston assembly having a first end and a second end, which is opposite to the first end, an isolation valve assembly in fluid communication with an interior of the housing, where the isolation valve assembly is facing the second end of the floating piston assembly, and a frangible disc located at the first end of the floating piston assembly, to prevent a high-pressure gas to pass through a bore of the floating piston assembly. The floating piston assembly separates the frangible disc from the isolation valve assembly.
E21B 34/10 - Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
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 34/06 - Valve arrangements for boreholes or wells in wells
58.
ASYMMETRIC SHAPED CHARGES AND METHOD FOR MAKING ASYMMETRIC PERFORATIONS
There is a shaped charge (400) for making an asymmetrical perforation into a casing. The shaped charge (400) includes a case (402) extending along a symmetry axis X and having a back wall (404) and an open end (409); an explosive material (410) located within the case (402); a liner (420) located within the case (402), over the explosive material (410); a booster material (430); and an asymmetrical feature. The asymmetrical feature is selected to generate an asymmetrical perforation into the casing.
E21B 29/02 - Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windowsDeforming of pipes in boreholes or wellsReconditioning of well casings while in the ground by explosives or by thermal or chemical means
There is a shaped charge (400) for making an asymmetrical perforation into a casing. The shaped charge (400) includes a case (402) extending along a symmetry axis X and having a back wall (404) and an open end (409); an explosive material (410) located within the case (402); a liner (420) located within the case (402), over the explosive material (410); a booster material (430); and an asymmetrical feature. The asymmetrical feature is selected to generate an asymmetrical perforation into the casing.
E21B 29/02 - Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windowsDeforming of pipes in boreholes or wellsReconditioning of well casings while in the ground by explosives or by thermal or chemical means
A setting tool for opening and dosing a sleeve inside a casing includes a body extending along a central longitudinal axis (X); a set of holding dogs located around the body; and a set of sleeve dogs located around the body. The set of sleeve dogs are configured to move along the central longitudinal axis (X) relative to the set of holding dogs.
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 23/03 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for setting the tools into, or removing the tools from, laterally offset landing nipples or pockets
E21B 43/26 - Methods for stimulating production by forming crevices or fractures
An electronic valve (300) is placed in line with a casing (702) in a well (704). The electronic valve (300) includes a housing (301) having plural ports (314) that are blocked; a valve (360) configured to initiate unblocking of the plural ports (314) to allow fluid communication between the bore (304A) of the housing (301) and an outside of the housing (301); and a deformable seat device (330) having a body (332) placed inside of the bore (304A) of the housing (301). The deformable seat device (330) is configured to have a given diameter D3 for at least one of first and second ends (332A, 332B) of the body (332) when the plural ports (314) are blocked, and a smaller diameter when the plural ports (314) are unblocked.
E21B 34/00 - Valve arrangements for boreholes or wells
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
E21B 34/10 - Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
E21B 34/12 - Valve arrangements for boreholes or wells in wells operated by movement of casings or tubings
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
An electronic valve (300) is placed in line with a casing (702) in a well (704). The electronic valve (300) includes a housing (301) having plural ports (314) that are blocked; a valve (360) configured to initiate unblocking of the plural ports (314) to allow fluid communication between the bore (304A) of the housing (301) and an outside of the housing (301); and a deformable seat device (330) having a body (332) placed inside of the bore (304A) of the housing (301). The deformable seat device (330) is configured to have a given diameter D3 for at least one of first and second ends (332A, 332B) of the body (332) when the plural ports (314) are blocked, and a smaller diameter when the plural ports (314) are unblocked.
E21B 34/00 - Valve arrangements for boreholes or wells
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
E21B 34/10 - Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
E21B 34/12 - Valve arrangements for boreholes or wells in wells operated by movement of casings or tubings
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 gun assembly (400) for perforating a well, the gun assembly (400) including a single carrier (402); a first gun cluster (420), the first gun cluster (420) including first plural shaped charges (424); and a second gun cluster (420), the second gun cluster (420) including second plural shaped charges (424). The first gun cluster (420) and the second gun cluster (420) are placed in the single carrier (402).
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 29/02 - Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windowsDeforming of pipes in boreholes or wellsReconditioning of well casings while in the ground by explosives or by thermal or chemical means
An electronic valve is placed in line with a casing in a well. The electronic valve includes a housing having plural ports that are blocked; a valve configured to initiate unblocking of the plural ports to allow fluid communication between the bore of the housing and an outside of the housing; and a deformable seat device having a body placed inside of the bore of the housing. The deformable seat device is configured to have a given diameter D3 for at least one of first and second ends of the body when the plural ports are blocked, and a smaller diameter when the plural ports are unblocked.
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
E21B 34/10 - Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
A sheave wheel assembly includes a housing; a wheel attached to the housing and configured to rotate relative to the housing; an imaging system attached to the housing and configured to obtain images of a surrounding of the sheave wheel assembly; and a transceiver attached to the housing and configured to send the images in a wireless manner to a ground control system.
H04N 7/18 - Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
G01L 5/04 - Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands
A sheave wheel includes a housing; a wheel attached to the housing and configured to rotate relative to the housing; a depth and tension measurement system attached to the housing and configured to measure a parameter associated with the wheel; and a local control system attached to the housing and configured to exchange information associated with the measured parameter in a wireless manner with a ground control system.
E21B 19/00 - Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrickApparatus for feeding the rods or cables
E21B 19/084 - Apparatus for feeding the rods or cablesApparatus for increasing or decreasing the pressure on the drilling toolApparatus for counterbalancing the weight of the rods with flexible drawing means, e.g. cables
A perf and wash system (300) for plugging a casing and wellbore, the perf and wash system including a cleaning tool (310) having at least one nozzle (312) making a first angle with a longitudinal axis of the system; a perforating gun assembly (320) having at least one shaped charge (510) making a second angle with the longitudinal axis; and a plug (334) connected with a first end to the cleaning tool (310) and with a second end, opposite to the first end, to the perforating gun assembly (320). The first angle is substantially equal to the second angle and the first and second angles are different than 90 degrees.
A sub connects a gun string to a hydraulically activated setting tool for setting an auxiliary tool in a well. The sub includes a housing that prevents a well fluid from entering inside the housing; a plug that covers a hole made in a wall of the housing; and an explosive mechanism located inside the housing and configured to break the plug to open the hole to achieve fluid communication between an outside and the inside of the sub.
E21B 23/00 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
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 23/06 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for setting packers
69.
Complex components for molded composite frac plugs
A downhole isolation tool for sealing a casing in a well, the downhole isolation including plural parts made of a composite material, each part having a preset functionality with regard to sealing the casing; and a sealing element configured to seal the casing. At least two parts of the plural parts have a single, combined body.
An air lock device (200) for sealing a casing located inside a well, the air lock device (200) including a body (202, 204, 220) having a bore (226) and configured to be attached with each end to the casing (250); a moving element (230) located inside the bore (226); and a blocking element (260) connected to the moving element (230), the blocking element preventing a fluid to pass through the bore of the body (202, 204, 220). The moving element (230) forms an inner chamber (222) with the body (202, 204, 220) in which the blocking element (260) is trapped after the blocking element (260) is punctured by the moving element (230).
A method for controlling a target switch assembly in a chain of switch assemblies includes distributing the chain of switch assemblies in a wellbore; placing a controller at a head of the wellbore; making a first decision, at the controller, to actuate a corresponding detonator of the target switch assembly; transmitting, from the controller to the target switch assembly, a fire command to activate the corresponding detonator; and making a second decision, locally, at the target switch assembly, to activate the detonator, after the fire command from the controller is received.
A setting tool (410) for setting a plug in a well, the setting tool (410) including a housing (420) extending along a longitudinal axis X and having a bore (421); a sleeve (422) extending along the longitudinal axis of the housing (420), and located within the bore (421) of the housing (420); and a holding mechanism (430) located within the sleeve (422) and configured to hold a ball (432) within the sleeve (422). The holding mechanism (430) is configured to release the ball (432) upon receiving a signal.
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 33/16 - Methods or devices for cementing, for plugging holes, crevices or the like for cementing casings into boreholes using plugs for isolating cement chargePlugs therefor
E21B 34/00 - Valve arrangements for boreholes or wells
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
E21B 34/10 - Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
74.
MICRO-CONTROLLER-BASED SWITCH ASSEMBLY FOR WELLBORE SYSTEMS AND METHOD
A method for firing a detonator (230B) in a chain of switch assemblies (232A to 232C) includes a step of lowering (800) the chain of switch assemblies (232A to 232C) into a wellbore (211); a step of powering-up (802) a switch assembly (232B) of the chain of switch assemblies; a step of independently entering (804) through a set of states during which the switch assembly (232B) interacts with a downstream switch assembly (232C) and determines a status of one or more elements (230B) associated with the switch assembly (232B); and a step of firing (806) a detonator (230B) electrically connected to the switch assembly (232B) or entering a sleeping state.
E21B 44/00 - Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systemsSystems specially adapted for monitoring a plurality of drilling variables or conditions
09 - Scientific and electric apparatus and instruments
Goods & Services
Electric switches for downhole perforating in wells; Electric control panels for downhole perforating in wells; Electronic testing equipment for downhole perforating in wells, namely, testing apparatus for testing perforating tool strings, testing the efficiency, performance and integrity of perforating operations
42 - Scientific, technological and industrial services, research and design
Goods & Services
Downhole equipment for artificial lift operations in a wellbore, namely, pumps and valves and tubing therefor sold as a unit. Custom design of artificial lift systems for use in wellbores and consulting services related thereto.
37 - Construction and mining; installation and repair services
Goods & Services
(1) Components for gas lift operations in oil and gas wells, namely concentrically arranged tubular members with annular spaces therebetween for carrying gasses and fluids into a wellbore to facilitate the collection of hydrocarbons at the surface of the well (1) Design of tubulars and valve arrangements for use in wellbores and consulting services related thereto
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
42 - Scientific, technological and industrial services, research and design
Goods & Services
(1) Downhole equipment for artificial lift operations in a wellbore, namely, oil and gas tubing of metal sold as part of a unit
(2) Downhole equipment for artificial lift operations in a wellbore, namely, oil-well pumps for the petroleum industry and gas lift valves sold as a unit (1) Custom design of artificial lift systems for use in wellbores and consulting services related thereto
A detonator block for housing a detonator has a body configured to host the detonator; the body having a first end that is configured to be attached to a sub; the body having a second end, opposite to the first end, and configured to connect to a gun; and a printed circuit board located inside the body, the printed circuit board being electrically connected to the detonator. The body has a holder that is configured to hold the detonator inside the body.
A quick connect system (200) for connecting a first downhole tool to a second downhole tool, the quick connect system (200) including a quick connect device (210) configured to be mechanically attached to the first downhole tool (220); and a top sub (250) configured to be mechanically attached to the quick connect device (210) and also to the second downhole tool (240). The top sub (250) has a first bulkhead element (260) that prevents a high pressure gas from the second downhole tool (240) to damage the quick connect device (210).
F16L 37/26 - Couplings of the quick-acting type in which the connection is made by transversely moving the parts together, with or without their subsequent rotation
A setting tool (200) for setting an auxiliary tool in a well, the setting tool (200) including a housing (202) having a floating piston (210), the floating piston (210) separating the housing into a pressure chamber (206), located upstream the floating piston (210), and a hydraulic chamber (230) located downstream the floating piston (210); an internal plug (214) having an upstream end (214A) attached to the floating piston (210) and having a downstream end (214B) extending into the hydraulic chamber (230); and a cover-insert member (220) covering the downstream end (214B) of the internal plug (214). The internal plug (214) has an internal passage (212) that fluidly communicates (1) with an internal passage (211) through the floating piston (210), at one end, and (2) with a port (218) at the other end, and the port (218) is covered by the cover-insert member (220).
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 23/00 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
E21B 33/10 - Sealing or packing boreholes or wells in the borehole
A wellbore select fire switch retaining member system and method with an integrated through wire and ground wire in a switch sub. The system/method includes a retaining member that has a form factor acceptable by a conventional switch sub. The retaining member incorporates an electrical connection to the center pin of a pressure switch. The system further includes a secondary piston aligned with a piston in the switch (switch piston) so that external pressure is fully acted upon the entire switch piston creating a reliable switch connection. Another system includes an integrated retaining member and switch module having a form factor compatible with existing switch subs. The integrated module inputs include a ground wire and a through wire and the outputs include a ground wire, through wire and an arming wire.
A downhole tool (200) for time delaying a downhole activity. The downhole tool includes a housing (202) having a bore (204); a moving sleeve (210) configured to move relative to the housing (202); an electronic valve (240) configured to open and close when receiving an electrical signal; and a switch (220) that is responsive to a fluid pressure inside the bore (204). The downhole tool electronically counts down a set time.
E21B 34/08 - Valve arrangements for boreholes or wells in wells responsive to flow or pressure of the fluid obtained
E21B 23/00 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
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 34/06 - 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 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
84.
Controlled timing of actuated plug element and method
A ball for sealing a plug in a well, the ball including a body; an actuation mechanism located in the body and configured to break the body into parts; and a ball sensor located on the body and configured to activate the actuation mechanism. The ball sensor is configured to measure a parameter that is generated by a tool sensor, which is located on a downhole tool.
E21B 29/02 - Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windowsDeforming of pipes in boreholes or wellsReconditioning of well casings while in the ground by explosives or by thermal or chemical means
A wireline release tool (700) for downhole intervention, the tool (700) including a housing (701) having an electrical input (702) and an electrical output (704); a pass-through switch (212) located inside the housing (701) and electrically connected between the electrical input (702) and the electrical output (704); and a circuit limiter device (600) located inside the housing (701) and electrically connected between the electrical input (702) and the electrical output (704). The pass-through switch (212) is connected in parallel to the circuit limiter device (600), between the electrical input (702) and the electrical output (704).
A wireline release tool for downhole intervention, the tool including a housing having an electrical input and an electrical output; a pass-through switch located inside the housing and electrically connected between the electrical input and the electrical output; and a circuit limiter device located inside the housing and electrically connected between the electrical input and the electrical output. The pass-through switch is connected in parallel to the circuit limiter device, between the electrical input and the electrical output.
H02H 3/20 - 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 voltage
H02H 9/02 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
E21B 43/119 - Details, e.g. for locating perforating place or direction
F42C 15/42 - Arming-means in fuzesSafety means for preventing premature detonation of fuzes or charges wherein the safety or arming action is effected electrically from a remote location, e.g. for controlled mines or mine fields
G01V 11/00 - Prospecting or detecting by methods combining techniques covered by two or more of main groups
A hydraulically activated setting tool (1000, 1200) for setting an auxiliary tool in a well, the setting tool including a housing (1006) that prevents a well fluid from entering inside the housing; a floating piston (1010) placed inside the housing and closing an end of a pressure chamber (1004); an attached piston (418) placed inside the housing and configured to actuate the auxiliary tool; a fluid chamber (412) located between the floating piston (1010) and the attached piston (418), wherein the fluid chamber (412) holds a fluid (413); and a communication element (450, 1042, 1280, 1490) configured to establish a fluid communication between an outside and an inside of the housing. The fluid communication makes a well fluid in the well to directly act on the floating piston.
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 33/1295 - PackersPlugs with mechanical slips for hooking into the casing actuated by fluid pressure
E21B 43/10 - Setting of casings, screens or liners in wells
90.
ADDRESSABLE SWITCH ASSEMBLY FOR WELLBORE SYSTEMS AND METHOD
A method for controlling a target switch assembly (232A) in a chain of switch assemblies (232A to 232M) includes distributing (1100) the chain of switch assemblies (232A to 232M) in a wellbore (211); placing (1102) a controller (206) at a head of the wellbore (211); making (1104) a first decision, at the controller (206), to actuate a corresponding detonator (230A) of the target switch assembly (232A); transmitting (1106), from the controller (206) to the target switch assembly (232A), a fire command to activate the corresponding detonator (230A); and making (1108) a second decision, locally, at the target switch assembly (232A), to activate the detonator (230A), after the fire command from the controller (206) is received.
E21B 29/00 - Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windowsDeforming of pipes in boreholes or wellsReconditioning of well casings while in the ground
A detonator block (240) for housing a detonator (242) includes a body (241) configured to host the detonator (242), the body (241) having a first end (244A) that is configured to be attached to a gun assembly element (210), and the body (241) having a second end (244B), opposite to the first end (244A), and configured to electrically connect to a gun (230).
A downhole tool (500) for sealing a well includes a push ring (503); a first slip ring (504) located adjacent to the push ring (503); a first wedge (506) located adjacent to the first slip ring (504) and configured to push the first slip ring (504) and separate the first slip ring (504) into parts; and a retaining mechanism (530) configured to retain the first slip ring (504) next to one of the push ring (503) or the first wedge (506). The retaining mechanism (530) is part of either (1) the first slip ring (504) or (2) the one of the push ring (503) or the first wedge (506), but not both.
A steerable sub for controlling an angular orientation of a well tool in a well, the steerable sub including a housing; a steering element attached to the housing and configured (i) to partially extend out of the housing and (ii) to change an orientation relative to the housing; and an actuation mechanism connected to the steering element and configured to change the orientation of the steering element relative to the housing.
A ball (700) for sealing a plug (110) in a well (102), the ball (700) including a body (502); an actuation mechanism (506) located inside the body (502) and configured to break the body into parts; and a sensor (710) connected to the actuation mechanism (506) and configured to measure a parameter outside the body. The actuation mechanism (506) includes a first timer (510') that is triggered by a first measured value of the parameter, and also includes a second timer (520') that is triggered by a second measured value of the parameter.
A downhole tool (300) for connecting an interior of a casing to a formation, the downhole tool (300) including an inner housing (302) extending along a longitudinal axis X; an outer housing (304) that encloses the inner housing (302) and forms first and second chambers (308, 308'); a piston (310) that separates the first and second chambers (308, 308'); a port (322) that fluidly communicates an outside and inside of the downhole tool; and a stopping mechanism (340) that prevents the piston (310) from opening the port (322). The piston (310) interrupts the fluid communication between the outside and inside the downhole tool.
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
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 composite plug (300) for sealing a well includes a mandrel (204) having an internal bore (202), the mandrel having a first end (204A) and a second end (204B), opposite to the first end, and the bore (202) extending from the first end (204A) to the second end (204B); plural elements (206, 208, 210, 212, 214, 216, 218) distributed along the mandrel in a given order and configured to seal the well; and a bypass mechanism (330), different from the bore (202), built into the composite plug and configured to allow a controlled leak of a fluid from the well, past the composite plug.
A hydraulically activated setting tool (1000, 1200) for setting an auxiliary tool in a well, the setting tool including a housing (1006) that prevents a well fluid from entering inside the housing; a floating piston (1010) placed inside the housing and closing an end of a pressure chamber (1004); an attached piston (418) placed inside the housing and configured to actuate the auxiliary tool; a fluid chamber (412) located between the floating piston (1010) and the attached piston (418), wherein the fluid chamber (412) holds a fluid (413); and a communication element (450, 1042, 1280, 1490) configured to establish a fluid communication between an outside and an inside of the housing. The fluid communication makes a well fluid in the well to directly act on the floating piston.
E21B 23/00 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
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 23/06 - Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for setting packers
