A downhole tool for connecting with a conveyance line. The downhole tool may be or comprise a connector assembly operable to connect to the line. The connector assembly may include a first connector, a second connector, a latching member, and a rotatable member. The first connector and the second connector may be configured to accommodate the line therebetween. The latching member may be latched against the first connector. The rotatable member may be operatively connected with the latching member such that rotation of the rotatable member with respect to the latching member causes relative axial movement between the latching member and the rotatable member thereby forcing the first connector and the second connector toward each other to compress the line therebetween to therefore connect the connector assembly to the line.
A downhole tool for connecting with a conveyance line. The downhole tool may be or comprise a connector assembly operable to connect to the line. The connector assembly may include a first connector, a second connector, a latching member, and a rotatable member. The first connector and the second connector may be configured to accommodate the line therebetween. The latching member may be latched against the first connector. The rotatable member may be operatively connected with the latching member such that rotation of the rotatable member with respect to the latching member causes relative axial movement between the latching member and the rotatable member thereby forcing the first connector and the second connector toward each other to compress the line therebetween to therefore connect the connector assembly to the line.
E21B 17/042 - Couplings; Joints between rod and bit, or between rod and rod threaded
E21B 17/043 - Couplings; Joints between rod and bit, or between rod and rod threaded with locking means
E21B 17/046 - Couplings; Joints between rod and bit, or between rod and rod with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches
An explosive assembly for a downhole tool operable to connect and selectively disconnect within a wellbore a first portion of a downhole tool string and a second portion of the downhole tool string. The explosive assembly includes an explosive charge, a detonator switch operable to detonate the explosive charge, and a housing assembly containing the explosive charge and the detonator switch. The explosive assembly may be movable as a single unit and installable within an internal space of the downhole tool. The explosive charge may be operable to sever a support member of the downhole tool when the explosive charge is detonated by the detonator switch to therefore disconnect a first portion of the downhole tool and a second portion of the downhole tool from each other and thus disconnect the first portion of the downhole tool string and the second portion of the downhole tool string from each other.
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 29/02 - Cutting or destroying pipes, packers, plugs, or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground by explosives or by thermal or chemical means
An explosive assembly for a downhole tool operable to connect and selectively disconnect within a wellbore a first portion of a downhole tool string and a second portion of the downhole tool string. The explosive assembly includes an explosive charge, a detonator switch operable to detonate the explosive charge, and a housing assembly containing the explosive charge and the detonator switch. The explosive assembly may be movable as a single unit and installable within an internal space of the downhole tool. The explosive charge may be operable to sever a support member of the downhole tool when the explosive charge is detonated by the detonator switch to therefore disconnect a first portion of the downhole tool and a second portion of the downhole tool from each other and thus disconnect the first portion of the downhole tool string and the second portion of the downhole tool string from each other.
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 29/02 - Cutting or destroying pipes, packers, plugs, or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground by explosives or by thermal or chemical means
5.
Quantifying Pollutant Emission Related to Downhole Conveyance Operations
A processing system operable to quantify pollutant emission related to downhole conveyance operations. The processing system may comprise a processor and a memory storing computer program code that, when executed by the processor, causes the processing system to predict outputs based on inputs. The inputs may comprise conveyance equipment input data indicative of conveyance equipment operable to perform conveyance operations of a tool string within a well, and pollutant emission input data indicative of a quantity of pollutant emission related to the conveyance equipment. The outputs may comprise pollutant emission output data indicative of a quantity of pollutant emission related to the conveyance operations.
G06Q 10/0637 - Strategic management or analysis, e.g. setting a goal or target of an organisation; Planning actions based on goals; Analysis or evaluation of effectiveness of goals
A processing system operable to quantify pollutant emission related to downhole conveyance operations. The processing system may comprise a processor and a memory storing computer program code that, when executed by the processor, causes the processing system to predict outputs based on inputs. The inputs may comprise conveyance equipment input data indicative of conveyance equipment operable to perform conveyance operations of a tool string within a well, and pollutant emission input data indicative of a quantity of pollutant emission related to the conveyance equipment. The outputs may comprise pollutant emission output data indicative of a quantity of pollutant emission related to the conveyance operations.
An explosive assembly for a downhole tool operable to connect and selectively disconnect within a wellbore a first portion of a downhole tool string and a second portion of the downhole tool string. The explosive assembly includes an explosive charge, a detonator switch operable to detonate the explosive charge, and a housing assembly containing the explosive charge and the detonator switch. The explosive assembly may be movable as a single unit and installable within an internal space of the downhole tool. The explosive charge may be operable to sever a support member of the downhole tool when the explosive charge is detonated by the detonator switch to therefore disconnect a first portion of the downhole tool and a second portion of the downhole tool from each other and thus disconnect the first portion of the downhole tool string and the second portion of the downhole tool string from each other.
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
Downhole tools for use in oil and gas wells, namely, downhole couplers, downhole release tools, downhole disconnect tools, downhole release joints, and downhole safety joints; wireline tools for use in oil and gas wells, namely, downhole couplers, downhole release tools, downhole disconnect tools, downhole release joints, and downhole safety joints; slickline tools for use in oil and gas wells, namely, downhole couplers, downhole release tools, downhole disconnect tools, downhole release joints, and downhole safety joints; downhole tools having opposing segments operable to connect and selectively disconnect from each other while conveyed within an oil and gas well; downhole tools for use in oil and gas wells, namely, downhole tools for connecting and selectively disconnecting opposing segments of a downhole tool string while conveyed within an oil and gas well; downhole tools having opposing segments operable to selectively disconnect from each other to disconnect opposing segments of a downhole tool string while conveyed within an oil and gas well; and downhole tools for releasing an upper segment of a downhole tool string from a lower segment of the downhole tool string when the downhole tool string is stuck within an oil and gas well to permit the upper segment to be retrieved to a well surface
Downhole tools for use in oil and gas wells, namely, downhole couplers, downhole release tools, downhole disconnect tools, downhole release joints, and downhole safety joints; wireline tools for use in oil and gas wells, namely, downhole couplers, downhole release tools, downhole disconnect tools, downhole release joints, and downhole safety joints; slickline tools for use in oil and gas wells, namely, downhole couplers, downhole release tools, downhole disconnect tools, downhole release joints, and downhole safety joints; downhole tools having opposing segments operable to connect and selectively disconnect from each other while conveyed within an oil and gas well; downhole tools for use in oil and gas wells, namely, downhole tools for connecting and selectively disconnecting opposing segments of a downhole tool string while conveyed within an oil and gas well; downhole tools having opposing segments operable to selectively disconnect from each other to disconnect opposing segments of a downhole tool string while conveyed within an oil and gas well; and downhole tools for releasing an upper segment of a downhole tool string from a lower segment of the downhole tool string when the downhole tool string is stuck within an oil and gas well to permit the upper segment to be retrieved to a well surface
A kickover tool for retrieving a used gas lift valve installed within a gas lift mandrel connected along a wellbore tubular string and installing a new gas lift valve within the gas lift mandrel. The kickover tool may include a housing, a first holder configured to hold the used gas lift valve, a first displacement mechanism operable to move the first holder between a retracted first holder position in which the first holder is adjacent the housing and an extended first holder position in which the first holder is spaced away from the housing, a second holder configured to hold the new gas lift valve, and a second displacement mechanism operable to move the second holder between a retracted second holder position in which the second holder is adjacent the housing and an extended second holder position in which the second holder is spaced away from the housing.
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 43/12 - Methods or apparatus for controlling the flow of the obtained fluid to or in wells
A kickover tool for retrieving a used gas lift valve installed within a gas lift mandrel connected along a wellbore tubular string and installing a new gas lift valve within the gas lift mandrel. The kickover tool may include a housing, a first holder configured to hold the used gas lift valve, a first displacement mechanism operable to move the first holder between a retracted first holder position in which the first holder is adjacent the housing and an extended first holder position in which the first holder is spaced away from the housing, a second holder configured to hold the new gas lift valve, and a second displacement mechanism operable to move the second holder between a retracted second holder position in which the second holder is adjacent the housing and an extended second holder position in which the second holder is spaced away from the housing.
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
A kickover tool for retrieving a used gas lift valve installed within a gas lift mandrel connected along a wellbore tubular string and installing a new gas lift valve within the gas lift mandrel. The kickover tool may include a housing, a first holder configured to hold the used gas lift valve, a first displacement mechanism operable to move the first holder between a retracted first holder position in which the first holder is adjacent the housing and an extended first holder position in which the first holder is spaced away from the housing, a second holder configured to hold the new gas lift valve, and a second displacement mechanism operable to move the second holder between a retracted second holder position in which the second holder is adjacent the housing and an extended second holder position in which the second holder is spaced away from the housing.
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 43/12 - Methods or apparatus for controlling the flow of the obtained fluid to or in wells
A downhole conveyance line cutter operable to be conveyed downhole within a wellbore along a conveyance line that conveys a tool string within the wellbore, connect to the conveyance line, and cut the conveyance line. The downhole conveyance line cutter may comprise a body, a cutting member operable to cut the conveyance line, and a clamping mechanism operable to connect the downhole conveyance line cutter to the conveyance line. The clamping mechanism may comprise a clamping member pivotably connected with the body and an actuator operable to pivot the clamping member to cause the clamping member to engage the conveyance line thereby connecting the downhole tool to the conveyance line such that the downhole tool can be retrieved out of the wellbore via the conveyance line after the downhole tool cuts the conveyance line.
A downhole conveyance line cutter operable to be conveyed downhole within a wellbore along a conveyance line that conveys a tool string within the wellbore, connect to the conveyance line, and cut the conveyance line. The downhole conveyance line cutter may comprise a body, a cutting member operable to cut the conveyance line, and a nose section configured to contact an upper end of the tool string when the downhole tool reaches the tool string. The nose section may comprise an outer diameter that is larger than an outer diameter of the body. The nose section may comprise a contact surface configured to contact the upper end of the tool string when the downhole tool reaches the tool string. The contact surface may be a concave surface configured to accommodate at least a portion of the upper end of the tool string.
A wheel assembly configured to detachably connect to a downhole tool to thereby reduce friction between the downhole tool and a sidewall of a wellbore through which the downhole tool is conveyed. The wheel assembly may include an axle configured to contact a sidewall of the downhole tool, wherein the axle comprises a bore extending therethrough, a wheel rotatably connected to the axle such that the wheel extends around at least a portion of the axle and the bore, and a fastener configured to be disposed at least partially within the bore and extend out of the bore into the sidewall of the downhole tool to detachably connect the axle to the downhole tool.
A downhole tool and method for reducing friction between a tool string and a sidewall of a wellbore. The downhole tool includes a first wheel, a second wheel, and a hump. When the downhole tool is connected to the tool string, the first wheel, the second wheel, and the hump each extend away from the tool string and collectively define a curved outer profile extending circumferentially around at least a portion of a circumference of the tool string, and the curved outer profile has a geometric center that is offset from a central axis of the tool string.
Downhole tools for use in oil and gas wells, namely, downhole couplers, downhole release tools, downhole release joints, and downhole safety joints; wireline tools for use in oil and gas wells, namely, downhole couplers, downhole release tools, downhole release joints, and downhole safety joints; slickline tools for use in oil and gas wells, namely, downhole couplers, downhole release tools, downhole release joints, and downhole safety joints; downhole tools having opposing segments operable to connect and selectively disconnect from each other while conveyed within an oil and gas well; downhole tools for use in oil and gas wells, namely, downhole tools for connecting and selectively disconnecting opposing segments of a downhole tool string while conveyed within an oil and gas well; and downhole tools having opposing segments operable to selectively disconnect from each other to disconnect opposing segments of a downhole tool string while conveyed within an oil and gas well
Downhole tools for use in oil and gas wells, namely, downhole couplers, downhole release tools, downhole release joints, and downhole safety joints; wireline tools for use in oil and gas wells, namely, downhole couplers, downhole release tools, downhole release joints, and downhole safety joints; slickline tools for use in oil and gas wells, namely, downhole couplers, downhole release tools, downhole release joints, and downhole safety joints; downhole tools having opposing segments operable to connect and selectively disconnect from each other while conveyed within an oil and gas well; downhole tools for use in oil and gas wells, namely, downhole tools for connecting and selectively disconnecting opposing segments of a downhole tool string while conveyed within an oil and gas well; and downhole tools having opposing segments operable to selectively disconnect from each other to disconnect opposing segments of a downhole tool string while conveyed within an oil and gas well
Downhole tools for use in oil and gas wells; downhole tools for use in oil and gas wells, namely, impact tools, jarring tools, and shock tools; downhole tools for use in oil and gas wells, namely, impact tools, jarring tools, and shock tools for imparting an impact force to an object located within a wellbore; downhole tools for use in oil and gas wells, namely, impact tools, jarring tools, and shock tools for imparting an impact force to an object located within a horizontal portion of a wellbore; downhole tools for use in oil and gas wells, namely, impact tools, jarring tools, and shock tools for imparting an impact force to a downhole tool located within a wellbore to actuate or operate the downhole tool; downhole tools for use in oil and gas wells, namely, impact tools, jarring tools, and shock tools for imparting an impact force to a downhole valve located within a wellbore to actuate or operate the downhole valve; downhole tools for use in oil and gas wells, namely, impact tools, jarring tools, and shock tools for imparting an impact force to an object that is stuck within a wellbore to dislodge the object; and downhole tools for use in oil and gas wells, namely, impact tools, jarring tools, and shock tools for imparting an impact force to a downhole tool string that is stuck within a wellbore to dislodge the downhole tool string
Downhole tools for use in oil and gas wells; downhole tools for use in oil and gas wells, namely, impact tools, jarring tools, and shock tools; downhole tools for use in oil and gas wells, namely, impact tools, jarring tools, and shock tools for imparting an impact force to an object located within a wellbore; downhole tools for use in oil and gas wells, namely, impact tools, jarring tools, and shock tools for imparting an impact force to an object located within a horizontal portion of a wellbore; downhole tools for use in oil and gas wells, namely, impact tools, jarring tools, and shock tools for imparting an impact force to a downhole tool located within a wellbore to actuate or operate the downhole tool; downhole tools for use in oil and gas wells, namely, impact tools, jarring tools, and shock tools for imparting an impact force to a downhole valve located within a wellbore to actuate or operate the downhole valve; downhole tools for use in oil and gas wells, namely, impact tools, jarring tools, and shock tools for imparting an impact force to an object that is stuck within a wellbore to dislodge the object; and downhole tools for use in oil and gas wells, namely, impact tools, jarring tools, and shock tools for imparting an impact force to a downhole tool string that is stuck within a wellbore to dislodge the downhole tool string
37 - Construction and mining; installation and repair services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Construction management and construction project management services in the field of oil and gas, namely, construction planning of oil and gas operations, downhole projects and operations, downhole conveyance operations, and downhole logging, cement evaluation, perforating, intervention, jarring, fishing, and pump-down operations; construction management and construction project management services in the field of oil and gas, namely, construction planning of oil and gas operations in a manner that reduces environmental and climate impact; construction management and construction project management services in the field of oil and gas, namely, construction planning of oil and gas operations in a manner that reduces emissions; construction management and construction project management services in the field of oil and gas, namely, construction planning of oil and gas operations in a manner that reduces emission of greenhouse gases; construction management and construction project management services in the field of oil and gas, namely, construction planning of oil and gas operations in a manner that reduces emission of carbon; construction management and construction project management services in the field of oil and gas, namely, construction planning of oil and gas downhole conveyance operations in a manner that reduces emissions; and construction management and construction project management services in the field of oil and gas, namely, construction planning of downhole logging, cement evaluation, perforating, intervention, jarring, fishing, and pump-down operations in a manner that reduces emissions Technical consultancy in the field of environmental science related to reduction of environmental and climate impact, emissions, emission of pollutants, emission of greenhouse gases, and emission of carbon caused by and related to oil and gas operations; technical consultancy in the field of environmental science related to reduction of environmental and climate impact, emissions, emission of pollutants, emission of greenhouse gases, and emission of carbon caused by and related to downhole projects and operations, downhole conveyance operations, and downhole logging, cement evaluation, perforating, intervention, jarring, fishing, and pump-down operations; technical consultancy in the field of environmental science related to carbon sequestration and carbon offset projects related to oil and gas operations; technical consultancy in the field of environmental science related to carbon sequestration and carbon offset projects related to downhole projects and operations, downhole conveyance operations, and downhole logging, cement evaluation, perforating, intervention, jarring, fishing, and pump-down operations; computer modeling services in the field of oil and gas; computer modeling services in the field of oil and gas, namely, computer modeling of oil and gas operations; computer modeling services in the field of oil and gas, namely, computer modeling of downhole projects and operations; computer modeling services in the field of oil and gas, namely, computer modeling of downhole conveyance operations; computer modeling services in the field of oil and gas, namely, computer modeling of downhole logging, cement evaluation, perforating, intervention, jarring, fishing, and pump-down operations; computer modeling services in the field of oil and gas, namely, computer modeling of oil and gas operations in a manner that reduces environmental and climate impact; computer modeling services in the field of oil and gas, namely, computer modeling of oil and gas operations in a manner that reduces emissions; computer modeling services in the field of oil and gas, namely, computer modeling of oil and gas operations in a manner that reduces emission of greenhouse gases; computer modeling services in the field of oil and gas, namely, computer modeling of oil and gas operations in a manner that reduces emission of carbon; computer modeling services in the field of oil and gas, namely, computer modeling of oil and gas downhole conveyance operations in a manner that reduces emissions; computer modeling services in the field of oil and gas, namely, computer modeling of downhole logging, cement evaluation, perforating, intervention, jarring, fishing, and pump-down operations in a manner that reduces emissions; and computer modeling services in the field of oil and gas, namely, computer modeling of carbon sequestration and carbon offset projects related to oil and gas operations
37 - Construction and mining; installation and repair services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Construction management and construction project management services in the field of oil and gas, namely, construction planning of oil and gas operations, downhole projects and operations, downhole conveyance operations, and downhole logging, cement evaluation, perforating, intervention, jarring, fishing, and pump-down operations; construction management and construction project management services in the field of oil and gas, namely, construction planning of oil and gas operations in a manner that reduces environmental and climate impact; construction management and construction project management services in the field of oil and gas, namely, construction planning of oil and gas operations in a manner that reduces emissions; construction management and construction project management services in the field of oil and gas, namely, construction planning of oil and gas operations in a manner that reduces emission of greenhouse gases; construction management and construction project management services in the field of oil and gas, namely, construction planning of oil and gas operations in a manner that reduces emission of carbon; construction management and construction project management services in the field of oil and gas, namely, construction planning of oil and gas downhole conveyance operations in a manner that reduces emissions; and construction management and construction project management services in the field of oil and gas, namely, construction planning of downhole logging, cement evaluation, perforating, intervention, jarring, fishing, and pump-down operations in a manner that reduces emissions Technical consultancy in the field of environmental science related to reduction of environmental and climate impact, emissions, emission of pollutants, emission of greenhouse gases, and emission of carbon caused by and related to oil and gas operations; technical consultancy in the field of environmental science related to reduction of environmental and climate impact, emissions, emission of pollutants, emission of greenhouse gases, and emission of carbon caused by and related to downhole projects and operations, downhole conveyance operations, and downhole logging, cement evaluation, perforating, intervention, jarring, fishing, and pump-down operations; technical consultancy in the field of environmental science related to carbon sequestration and carbon offset projects related to oil and gas operations; technical consultancy in the field of environmental science related to carbon sequestration and carbon offset projects related to downhole projects and operations, downhole conveyance operations, and downhole logging, cement evaluation, perforating, intervention, jarring, fishing, and pump-down operations; computer modeling services in the field of oil and gas; computer modeling services in the field of oil and gas, namely, computer modeling of oil and gas operations; computer modeling services in the field of oil and gas, namely, computer modeling of downhole projects and operations; computer modeling services in the field of oil and gas, namely, computer modeling of downhole conveyance operations; computer modeling services in the field of oil and gas, namely, computer modeling of downhole logging, cement evaluation, perforating, intervention, jarring, fishing, and pump-down operations; computer modeling services in the field of oil and gas, namely, computer modeling of oil and gas operations in a manner that reduces environmental and climate impact; computer modeling services in the field of oil and gas, namely, computer modeling of oil and gas operations in a manner that reduces emissions; computer modeling services in the field of oil and gas, namely, computer modeling of oil and gas operations in a manner that reduces emission of greenhouse gases; computer modeling services in the field of oil and gas, namely, computer modeling of oil and gas operations in a manner that reduces emission of carbon; computer modeling services in the field of oil and gas, namely, computer modeling of oil and gas downhole conveyance operations in a manner that reduces emissions; computer modeling services in the field of oil and gas, namely, computer modeling of downhole logging, cement evaluation, perforating, intervention, jarring, fishing, and pump-down operations in a manner that reduces emissions; and computer modeling services in the field of oil and gas, namely, computer modeling of carbon sequestration and carbon offset projects related to oil and gas operations
A downhole tool operable to connect within a downhole tool string. The downhole tool may include a first sub, a second sub, and a movable joint movably connecting the first sub and the second sub to facilitate relative angular movement between the first sub and the second sub. The downhole tool may be operable to connect together a first portion of the tool string and a second portion of the tool string and facilitate relative angular movement between the first portion of the tool string and the second portion of the tool string when the downhole tool is connected within the tool string.
A downhole tool operable to connect within a downhole tool string. The downhole tool may include a first sub, a second sub, and a movable joint movably connecting the first sub and the second sub to facilitate relative angular movement between the first sub and the second sub. The downhole tool may be operable to connect together a first portion of the tool string and a second portion of the tool string and facilitate relative angular movement between the first portion of the tool string and the second portion of the tool string when the downhole tool is connected within the tool string.
A downhole tool operable to connect within a downhole tool string. The downhole tool may include a first sub, a second sub, and a movable joint movably connecting the first sub and the second sub to facilitate relative angular movement between the first sub and the second sub. The downhole tool may be operable to connect together a first portion of the tool string and a second portion of the tool string and facilitate relative angular movement between the first portion of the tool string and the second portion of the tool string when the downhole tool is connected within the tool string.
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
E21B 17/20 - Flexible or articulated drilling pipes
A downhole tool for installing a gas lift valve in a well. The downhole tool may include a housing, a mandrel movably disposed with respect to the housing, a holder configured to hold the gas lift valve, and an arm supporting the holder. The arm may pivot between a retracted position in which the holder is adjacent the housing and an extended position in which the holder is disposed away from the housing. The mandrel and the arm may be operatively connected via a pin-slot joint having a pin disposed within a slot. The slot may have a first slot portion and a second slot portion. The pin-slot joint may prevent the arm from pivoting when the pin is within the first slot portion and permit the arm to pivot when the pin is within the second slot portion.
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 43/12 - Methods or apparatus for controlling the flow of the obtained fluid to or in wells
A downhole tool for installing a gas lift valve in a well. The downhole tool may include a housing, a mandrel movably disposed with respect to the housing, a holder configured to hold the gas lift valve, and an arm supporting the holder. The arm may pivot between a retracted position in which the holder is adjacent the housing and an extended position in which the holder is disposed away from the housing. The mandrel and the arm may be operatively connected via a pin-slot joint having a pin disposed within a slot. The slot may have a first slot portion and a second slot portion. The pin-slot joint may prevent the arm from pivoting when the pin is within the first slot portion and permit the arm to pivot when the pin is within the second slot portion.
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
A wheel assembly and a method for detachably connecting the wheel assembly to a downhole tool to reduce friction between the downhole tool and a sidewall of a wellbore through which the downhole tool is conveyed. The wheel assembly may include an axle configured to contact a sidewall of the downhole tool, a wheel rotatably connected with the axle, and a fastener configured to extend into the sidewall of the downhole tool to detachably connect the axle to the downhole tool.
A wheel assembly and a method for detachably connecting the wheel assembly to a downhole tool to reduce friction between the downhole tool and a sidewall of a wellbore through which the downhole tool is conveyed. The wheel assembly may include an axle configured to contact a sidewall of the downhole tool, a wheel rotatably connected with the axle, and a fastener configured to extend into the sidewall of the downhole tool to detachably connect the axle to the downhole tool.
A wheel assembly and a method for detachably connecting the wheel assembly to a downhole tool to reduce friction between the downhole tool and a sidewall of a wellbore through which the downhole tool is conveyed. The wheel assembly may include an axle configured to contact a sidewall of the downhole tool, a wheel rotatably connected with the axle, and a fastener configured to extend into the sidewall of the downhole tool to detachably connect the axle to the downhole tool.
A downhole conveyance line cutter operable to be conveyed downhole within a wellbore along a conveyance line that conveys a tool string within the wellbore and then cut the conveyance line. The downhole conveyance line cutter may have a body, a fluid chamber within the body, a piston slidably disposed within the fluid chamber, a knife that is movable with respect to the body, an arm operatively connecting the piston and the knife, and a fluid source operable to pump a fluid into the fluid chamber to cause the piston to move the arm which moves the knife to cut the conveyance line.
A downhole conveyance line cutter operable to be conveyed downhole within a wellbore along a conveyance line that conveys a tool string within the wellbore and then cut the conveyance line. The downhole conveyance line cutter may have a body, a fluid chamber within the body, a piston slidably disposed within the fluid chamber, a knife that is movable with respect to the body, an arm operatively connecting the piston and the knife, and a fluid source operable to pump a fluid into the fluid chamber to cause the piston to move the arm which moves the knife to cut the conveyance line.
A downhole conveyance line cutter operable to be conveyed downhole within a wellbore along a conveyance line that conveys a tool string within the wellbore and then cut the conveyance line. The downhole conveyance line cutter may have a body, a fluid chamber within the body, a piston slidably disposed within the fluid chamber, a knife that is movable with respect to the body, an arm operatively connecting the piston and the knife, and a fluid source operable to pump a fluid into the fluid chamber to cause the piston to move the arm which moves the knife to cut the conveyance line.
Downhole tools for use in oil and gas wells, namely, downhole couplers, downhole release tools, downhole release joints, and downhole safety joints; wireline tools for use in oil and gas wells, namely, downhole couplers, downhole release tools, downhole release joints, and downhole safety joints; slickline tools for use in oil and gas wells, namely, downhole couplers, downhole release tools, downhole release joints, and downhole safety joints; downhole tools having opposing segments operable to connect and selectively disconnect from each other while conveyed within an oil and gas well; downhole tools for use in oil and gas wells, namely, downhole tools for connecting and selectively disconnecting opposing segments of a downhole tool string while conveyed within an oil and gas well; and downhole tools having opposing segments operable to selectively disconnect from each other to disconnect opposing segments of a downhole tool string while conveyed within an oil and gas well
09 - Scientific and electric apparatus and instruments
Goods & Services
Downhole tools having tension-sensing devices for use when lowering, raising, and operating a tool string in a well, namely, for sensing tension applied to the tool string by wireline cabling extending from the well surface
A conveyance model for predicting an output in response to an input, wherein: the input comprises one or more of a wireline input, a toolstring input, a well input, and/or a conveyance input; and the output comprises one or more of a surface weight versus depth output, a cable head tension versus depth output, and a jarring effect output.
An apparatus and method for performing automated pump-down operations. An apparatus may include a control system configured to be communicatively connected with a fluid pump disposed at a wellsite surface and with a conveyance device disposed at the wellsite surface. The control system may be operable to cause the conveyance device to unwind a conveyance line connected with a tool string disposed within a wellbore, and cause the fluid pump to pump a fluid into the wellbore such that the fluid moves the tool string along the wellbore while the conveyance device unwinds the conveyance line.
E21B 23/08 - Introducing or running tools by fluid pressure, e.g. through-the-flow-line tool systems
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
E21B 31/00 - Fishing for or freeing objects in boreholes or wells
E21B 43/26 - Methods for stimulating production by forming crevices or fractures
An apparatus and method for performing automated pump-down operations. An apparatus may include a control system configured to be communicatively connected with a fluid pump disposed at a wellsite surface and with a conveyance device disposed at the wellsite surface. The control system may be operable to cause the conveyance device to unwind a conveyance line connected with a tool string disposed within a wellbore, and cause the fluid pump to pump a fluid into the wellbore such that the fluid moves the tool string along the wellbore while the conveyance device unwinds the conveyance line.
E21B 23/08 - Introducing or running tools by fluid pressure, e.g. through-the-flow-line tool systems
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
E21B 31/00 - Fishing for or freeing objects in boreholes or wells
E21B 43/26 - Methods for stimulating production by forming crevices or fractures
An apparatus and method for performing automated pump-down operations. An apparatus may include a control system configured to be communicatively connected with a fluid pump disposed at a wellsite surface and with a conveyance device disposed at the wellsite surface. The control system may be operable to cause the conveyance device to unwind a conveyance line connected with a tool string disposed within a wellbore, and cause the fluid pump to pump a fluid into the wellbore such that the fluid moves the tool string along the wellbore while the conveyance device unwinds the conveyance line.
E21B 47/008 - Monitoring of down-hole pump systems, e.g. for the detection of "pumped-off" conditions
E21B 47/10 - Locating fluid leaks, intrusions or movements
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
G05B 15/02 - Systems controlled by a computer electric
41.
DOWNHOLE TOOL FOR CONNECTING WITH A CONVEYANCE LINE
A downhole tool for connecting with a conveyance line. The downhole tool may include a body configured to receive the line and a fluid seal operable to seal against the line when the downhole tool is connected with the line to inhibit wellbore fluid from entering the body when the downhole tool is conveyed within a wellbore via the line. The downhole tool may include a fluid seal slidably disposed within the body and operable to seal against an inner surface of the body to inhibit wellbore fluid from entering the body when the downhole tool is conveyed within the wellbore. The body may include a first body and a second body connected together, wherein the first body is operable to move with respect to the second body when a predetermined tension is applied to the line from the wellsite surface to cause the downhole tool to release the line.
A downhole tool for connecting with a conveyance line. The downhole tool may include a body configured to receive the line and ;luid seal operable to seal against the line when the downhole tool is connected with the line to inhibit wellbore fluid from entering the body when the downhole tool is conveyed within a wellbore via the line. The downhole tool may include a fluid seal slidably disposed within the body and operable to seal against an inner surface of the body to inhibit wellbore fluid from entering the body when the downhole tool is conveyed within the wellbore. The body may include a first body and a second body connected together, wherein the first body is operable to move with respect to the second body when a predetermined tension is applied to the line from the wellsite surface to cause the downhole tool to release the line.
A downhole tool for connecting with a conveyance line. The downhole tool may include a body configured to receive the line and a fluid seal operable to seal against the line when the downhole tool is connected with the line to inhibit wellbore fluid from entering the body when the downhole tool is conveyed within a wellbore via the line. The downhole tool may include a fluid seal slidably disposed within the body and operable to seal against an inner surface of the body to inhibit wellbore fluid from entering the body when the downhole tool is conveyed within the wellbore. The body may include a first body and a second body connected together, wherein the first body is operable to move with respect to the second body when a predetermined tension is applied to the line from the wellsite surface to cause the downhole tool to release the line.
A downhole tool for connecting with a conveyance line. The downhole tool may include a body configured to receive the line and a fluid seal operable to seal against the line when the downhole tool is connected with the line to inhibit wellbore fluid from entering the body when the downhole tool is conveyed within a wellbore via the line. The downhole tool may include a fluid seal slidably disposed within the body and operable to seal against an inner surface of the body to inhibit wellbore fluid from entering the body when the downhole tool is conveyed within the wellbore. The body may include a first body and a second body connected together, wherein the first body is operable to move with respect to the second body when a predetermined tension is applied to the line from the wellsite surface to cause the downhole tool to release the line.
A downhole tool for connecting with a conveyance line. The downhole tool includes a first body and a second body. The first body and second body are connected together, wherein the first body is operable to move with respect to the second body when a predetermined tension is applied to the line from a wellsite surface to cause the downhole tool to release the line. The first body and second body may be connected together via a plurality of pins, wherein the pins are configured to break when the predetermined tension is applied to the line from the wellsite surface to cause the downhole tool to release the line. The downhole tool may comprises a line end termination device operable to connect with the line. The line end termination device is operable to release the line when the predetermined tension is applied to the line from the wellsite surface.
A downhole release apparatus having a first connector sub connectable with a first portion of a tool string and a second connector sub connectable with a second portion of the tool string. The first connector sub may include a housing, a first latching member, and a blocking member. The second connector sub may include a second latching member. The first and second latching members may engage thereby connecting the first and second connector subs. The blocking member may be movable from a first position in which the blocking member prevents the first and second latching members from disengaging to a second position in which the blocking member permits the first and second latching members to disengage thereby permitting the first and second connector subs to disconnect. Relative movement between the housing and first latching member may facilitate movement of the blocking member from the first position to the second position.
A downhole release apparatus (200) having a first connector sub (202) connectable with a first portion (112) of a tool string and a second connector sub (204) connectable with a second portion of the tool string (114). The first connector sub (202) may include a housing (203), a first latching member (222), and a blocking member (226). The second connector sub may include a second latching member (224). The first and second latching members (222, 224) may engage thereby connecting the first and second connector subs (202, 204). The blocking member (226) may be movable from a first position in which the blocking member prevents the first and second latching members from disengaging to a second position in which the blocking member permits the first and second latching members to disengage thereby permitting the first and second connector subs to disconnect. Relative movement between the housing and first latching member may facilitate movement of the blocking member from the first position to the second position.
A downhole release apparatus (200) having a first connector sub (202) connectable with a first portion (112) of a tool string and a second connector sub (204) connectable with a second portion of the tool string (114). The first connector sub (202) may include a housing (203), a first latching member (222), and a blocking member (226). The second connector sub may include a second latching member (224). The first and second latching members (222, 224) may engage thereby connecting the first and second connector subs (202, 204). The blocking member (226) may be movable from a first position in which the blocking member prevents the first and second latching members from disengaging to a second position in which the blocking member permits the first and second latching members to disengage thereby permitting the first and second connector subs to disconnect. Relative movement between the housing and first latching member may facilitate movement of the blocking member from the first position to the second position.
Apparatus and methods for running casing into a wellbore. An apparatus may be or include a casing collar configured to couple together a first casing joint and a second casing joint. The casing collar may have a body and a plurality of rotatable members connected to the body. The body may have a fluid passage extending axially therethrough, a first coupler configured to couple the casing collar with the first casing joint, and a second coupler configured to couple the casing collar with the second casing joint. At least a portion of each rotatable member may extend from the body in a radially outward direction.
Apparatus and methods for running casing into a wellbore. An apparatus may be or include a casing collar configured to couple together a first casing joint and a second casing joint. The casing collar may have a body and a plurality of rotatable members connected to the body. The body may have a fluid passage extending axially therethrough, a first coupler configured to couple the casing collar with the first casing joint, and a second coupler configured to couple the casing collar with the second casing joint. At least a portion of each rotatable member may extend from the body in a radially outward direction.
Apparatus and methods for running casing into a wellbore. An apparatus may be or include a casing collar configured to couple together a first casing joint and a second casing joint. The casing collar may have a body and a plurality of rotatable members connected to the body. The body may have a fluid passage extending axially therethrough, a first coupler configured to couple the casing collar with the first casing joint, and a second coupler configured to couple the casing collar with the second casing joint. At least a portion of each rotatable member may extend from the body in a radially outward direction.
A downhole centralizer operable to be coupled with a tool string and conveyed within a downhole passage, wherein the downhole passage is a wellbore or a tubular member disposed in the wellbore. The downhole centralizer may have a plurality of arms that are operable to move against a sidewall of the downhole passage to centralize at least a portion of the tool string within the downhole passage, impart an intended force against the sidewall of the downhole passage, and maintain the intended force substantially constant while the tool string is conveyed along the downhole passage and an inner diameter of the downhole passage changes.
A downhole centralizer operable to be coupled with a tool string and conveyed within a downhole passage, wherein the downhole passage is a wellbore or a tubular member disposed in the wellbore. The downhole centralizer may have a plurality of arms that are operable to move against a sidewall of the downhole passage to centralize at least a portion of the tool string within the downhole passage, impart an intended force against the sidewall of the downhole passage, and maintain the intended force substantially constant while the tool string is conveyed along the downhole passage and an inner diameter of the downhole passage changes.
A downhole centralizer operable to be coupled with a tool string and conveyed within a downhole passage, wherein the downhole passage is a wellbore or a tubular member disposed in the wellbore. The downhole centralizer may have a plurality of arms that are operable to move against a sidewall of the downhole passage to centralize at least a portion of the tool string within the downhole passage, impart an intended force against the sidewall of the downhole passage, and maintain the intended force substantially constant while the tool string is conveyed along the downhole passage and an inner diameter of the downhole passage changes.
E21B 47/092 - Locating or determining the position of objects in boreholes or wells; Identifying the free or blocked portions of pipes by detecting magnetic anomalies
A downhole impact apparatus operable to impart an impact to an object within a wellbore. The impact apparatus may include a housing, a first chamber within the housing, a second chamber within the housing, and a piston assembly slidably disposed within the housing. The piston assembly may include a first piston slidably disposed within the first chamber and dividing the first chamber into a first volume and a second volume, a second piston slidably disposed within the second chamber, and a shaft connecting the first and second pistons. The first volume may be open to a space external to the housing and the second volume may be fluidly isolated from the space external to the housing. Relative movement between the piston assembly and the housing ends with the impact. The second chamber may be configured to contain a fluid to prevent relative movement between the piston assembly and the housing.
A conveyance model 710 for predicting an output 730 in response to an input, wherein: the input comprises one or more of a wireline input 722, a toolstring input 724, a well input 726, and/or a conveyance input 728; and the output comprises one or more of a surface weight versus depth output, a cable head tension versus depth output, and a jarring effect output.
E21B 31/00 - Fishing for or freeing objects in boreholes or wells
E21B 31/107 - Fishing for or freeing objects in boreholes or wells using impact means for releasing stuck parts, e.g. jars
E21B 41/00 - Equipment or details not covered by groups
E21B 47/01 - Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
A conveyance model 710 for predicting an output 730 in response to an input, wherein: the input comprises one or more of a wireline input 722, a toolstring input 724, a well input 726, and/or a conveyance input 728; and the output comprises one or more of a surface weight versus depth output, a cable head tension versus depth output, and a jarring effect output.
E21B 31/00 - Fishing for or freeing objects in boreholes or wells
E21B 41/00 - Equipment or details not covered by groups
E21B 47/01 - Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
E21B 31/107 - Fishing for or freeing objects in boreholes or wells using impact means for releasing stuck parts, e.g. jars
Apparatus and method of sensing tension downhole, such as a tension sensing tool for coupling between opposing first and second portions of a tool string conveyable within a wellbore. The tension sensing tool may include a tension-bearing member, a load cell connected along the tension-bearing member and operable to generate information indicative of tension applied to the tension sensing tool, and electronic equipment communicatively connected with the load cell. The electronic equipment may be operable to record the information generated by the load cell and/or transmit the information generated by the load cell to a wellsite surface from which the wellbore extends.
E21B 47/007 - Measuring stresses in a pipe string or casing
E21B 41/00 - Equipment or details not covered by groups
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
G01L 1/22 - Measuring force or stress, in general by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
G01L 7/00 - Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
Apparatus and method of sensing tension downhole, such as a measurement tool for coupling between opposing first and second portions of a tool string conveyable within a wellbore. The measurement tool may include a tension-bearing member, a load cell connected along the tension-bearing member and operable to generate information indicative of tension applied to the measurement tool, and electronic equipment communicatively connected with the load cell. The electronic equipment may be operable to record the information generated by the load cell and/or transmit the information generated by the load cell to a wellsite surface from which the wellbore extends.
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 downhole tool and method for orienting a tool string within a passage, such as a wellbore or a tubular disposed in the wellbore. The downhole tool may be operable for detachably connecting with the tool string and orienting the tool string within the passage. The downhole tool may include a frame comprising a first frame portion and a second frame portion, wherein the first and second frame portions may be detachably connectable with each other around the tool string to detachably connect the frame with the tool string. The downhole tool may further include a first orienting feature rotatably connected with the first frame portion along a first axis of rotation and a second orienting feature rotatably connected with the second frame portion along a second axis of rotation. The first and second axes of rotation may be radially offset from a central axis of the tool string.
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
E21B 47/01 - Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
E21B 47/09 - Locating or determining the position of objects in boreholes or wells; Identifying the free or blocked portions of pipes
61.
Downhole apparatus for disconnecting portions of downhole tool string
An apparatus and method for connecting and selectively disconnecting within a wellbore first and second portions of a downhole tool string from each other. The apparatus may be a downhole tool having a first connector sub connectable with the first portion of the downhole tool string, a second connector sub connectable with the second portion of the downhole tool string, an internal chamber, and a fastener connecting the first and second connector subs. At least a portion of the fastener fluidly separates the internal chamber into a first chamber portion and a second chamber portion. The first chamber portion is fluidly connected with the space external to the downhole tool. The downhole tool is selectively operable to disconnect the first and second connector subs from each other to disconnect the first and second portions of the downhole tool string from each other.
An apparatus and method for connecting and selectively disconnecting within a wellbore first and second portions of a downhole tool string from each other. The apparatus may be a downhole tool having a first connector sub (306) connectable with the first portion of the downhole tool string, a second connector sub (308) connectable with the second portion of the downhole tool string, an internal chamber (326,328), and a fastener (340) connecting the first and second connector subs. At least a portion of the fastener fluidly separates the internal chamber (328) into a first chamber portion (326) and a second chamber portion (328) The first chamber portion (328) is fluidly connected with the space external to the downhole tool. The downhole tool is selectively operable to disconnect the first and second connector subs from each other to disconnect the first and second portions of the downhole tool string from each other.
A downhole tool (100,300) and method for orienting a tool string within a passage, such as a wellbore (24) or a tubular disposed in the wellbore. The downhole tool may be operable for detachably connecting with the tool string and orienting the tool string within the passage. The downhole tool may include a frame (210) comprising a first frame portion and a second frame portion, wherein the first and second frame portions may be detachably connectable with each other around the tool string to detachably connect the frame with the tool string. The downhole tool may further include a first orienting feature (154,211) rotatably connected with the first frame portion along a first axis of rotation and a second orienting feature (156,212) rotatably connected with the second frame portion along a second axis of rotation. The first and second axes of rotation may be radially offset (217) from a central axis (102) of the tool string.
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
E21B 47/01 - Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
E21B 47/09 - Locating or determining the position of objects in boreholes or wells; Identifying the free or blocked portions of pipes
E21B 49/10 - Obtaining fluid samples or testing fluids, in boreholes or wells using side-wall fluid samplers or testers
An impact apparatus operable to be coupled along and impart an impact to a downhole tool string. The impact apparatus includes a housing, a first and second chambers within the housing, and a piston shaft assembly movable with respect to the housing. The piston shaft assembly includes a first piston slidably disposed within and dividing the first chamber into a first chamber portion and a second chamber portion, a first shaft connected with the first piston and axially movable into and out of the housing, a second piston slidably disposed within the second chamber, and a second shaft connecting the first and second pistons. The first chamber portion is open to a space external to the housing. The second chamber contains a fluid operable to maintain the piston shaft assembly and the housing in a predetermined relative position.
An impact apparatus operable to be coupled along and impart an impact to a downhole tool string. The impact apparatus includes a housing, a first and second chambers within the housing, and a piston shaft assembly movable with respect to the housing. The piston shaft assembly includes a first piston slidably disposed within and dividing the first chamber into a first chamber portion and a second chamber portion, a first shaft connected with the first piston and axially movable into and out of the housing, a second piston slidably disposed within the second chamber, and a second shaft connecting the first and second pistons. The first chamber portion is open to a space external to the housing. The second chamber contains a fluid operable to maintain the piston shaft assembly and the housing in a predetermined relative position.
An impact apparatus operable to be coupled along and impart an impact to a downhole tool string. The impact apparatus includes a housing, a first and second chambers within the housing, and a piston shaft assembly movable with respect to the housing. The piston shaft assembly includes a first piston slidably disposed within and dividing the first chamber into a first chamber portion and a second chamber portion, a first shaft connected with the first piston and axially movable into and out of the housing, a second piston slidably disposed within the second chamber, and a second shaft connecting the first and second pistons. The first chamber portion is open to a space external to the housing. The second chamber contains a fluid operable to maintain the piston shaft assembly and the housing in a predetermined relative position.
A downhole tool for connecting and selectively disconnecting within a wellbore first and second portions of a downhole tool string from each other. The downhole tool may include a first connector sub connectable with the first portion of the downhole tool string, a second connector sub connectable with the second portion of the downhole tool string, an internal chamber, and a fastener connecting the first and second connector subs. The fastener may fluidly separate the internal chamber into a first chamber portion and a second chamber portion. The first chamber portion may be fluidly connected with a space external to the downhole tool. The downhole tool may be selectively operable to disconnect the first and second connector subs from each other to disconnect the first and second portions of the downhole tool string from each other.
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 31/107 - Fishing for or freeing objects in boreholes or wells using impact means for releasing stuck parts, e.g. jars
E21B 31/00 - Fishing for or freeing objects in boreholes or wells
E21B 31/113 - Fishing for or freeing objects in boreholes or wells using impact means for releasing stuck parts, e.g. jars hydraulically operated
Apparatus and methods for creating a downhole impact. The apparatus may be an impact tool operable to be coupled between portions of a tool string conveyable within a wellbore extending into a subterranean formation. The impact tool may include a housing, a chamber within the housing, a piston slidably disposed within the chamber and dividing the chamber into a first chamber volume and a second chamber volume, and a shaft connected with the piston and axially movable with respect to the housing. The first chamber volume may be open to a space external to the housing and the second chamber volume may be fluidly isolated from the space external to the housing. The piston may be maintained in a predetermined position within the chamber to maintain pressure within the second chamber volume appreciably lower than pressure within the first chamber volume while the impact tool is conveyed along the wellbore.
Equipment for use in the oil and gas industry, namely, downhole couplers, downhole release tools, downhole release joints, and downhole safety joints; tools for use in the oil and gas industry, namely, downhole couplers, downhole release tools, downhole release joints, and downhole safety joints; downhole tools and wireline tools for use in an oil and gas well, namely, downhole couplers, downhole release tools, downhole release joints, downhole safety joints, downhole tools having opposing segments used to connect and selectively disconnect from each other, downhole tools having opposing segments used to selectively uncouple from each other while conveyed within an oil and gas well, downhole tools for connecting together opposing segments of a downhole tool string, downhole tools for selectively releasing segments of a downhole tool string conveyed within an oil and gas well, downhole tools for connecting and selectively disconnecting opposing segments of a downhole tool string, downhole tools for connecting together other downhole tools for conveyance within an oil and gas well, and downhole tools for selectively disconnecting other downhole tools from each other while conveyed within an oil and gas well
An impact tool for coupling between opposing first and second portions of a downhole tool. The impact tool may include a housing having opposing first and second ends, a first shaft extending from within the housing at the first end of the housing, a second shaft extending from within the housing at the second end of the housing, an energy storing member disposed within the housing, and a latching mechanism operable to selectively permit relative motion between the housing and the second shaft to release energy stored in the energy storing member to impart an impact to the downhole tool string.
A downhole tool having opposing interfaces for incorporation of the downhole tool into a downhole tool string, and a housing extending between the opposing interfaces. An accelerometer is disposed within the housing for detecting acceleration of the downhole tool in response to a mechanical impact generated elsewhere within the downhole tool string. The accelerometer generates an accelerometer signal indicative of the detected acceleration. A strain sensor is disposed within the housing for detecting strain of the downhole tool. The strain sensor generates a strain signal indicative of the detected strain. The downhole tool includes a processor for processing the accelerometer signal utilizing the strain signal.
E21B 47/01 - Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
E21B 31/107 - Fishing for or freeing objects in boreholes or wells using impact means for releasing stuck parts, e.g. jars
G01P 15/08 - Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces with conversion into electric or magnetic values
A downhole-adjusting impact apparatus (DAIA) mechanically coupled between opposing first and second portions of a tool string, wherein: the tool string is conveyable within a wellbore extending between a wellsite surface and a subterranean formation; the first tool string portion comprises a first electrical conductor in electrical communication with surface equipment disposed at the wellsite surface; the DAIA comprises a second electrical conductor in electrical communication with the first electrical conductor; and the DAIA is operable to: detect an electrical characteristic of the second electrical conductor; impart a first impact force on the second tool string portion when the electrical characteristic is detected; and impart a second impact force on the second tool string portion when the electrical characteristic is not detected, wherein the second impact force is substantially greater than the first impact force.
E21B 31/107 - Fishing for or freeing objects in boreholes or wells using impact means for releasing stuck parts, e.g. jars
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
An apparatus having a downhole tool for coupling between opposing portions of a downhole tool string. The downhole tool includes a load cell (206) connected along a tension-bearing member (234) of the downhole tool and operable to generate a signal indicative of tension applied to the downhole tool. The downhole tool further comprises an electronic device (204) operable to receive the signal indicative of the tension. The apparatus further comprises a perforating tool for coupling within the tool string and operable to perforate at least a portion of a subterranean formation surrounding a wellbore.
An apparatus having a tension sensing tool for coupling between opposing portions of a downhole tool string. The tension sensing tool includes a load cell (206) connected along a tension-bearing member (234) of the tension sensing tool and operable to generate information indicative of tension applied to the tension sensing tool. The tension sensing tool further comprises a processing device (204) operable to receive the information indicative of the tension and output the information indicative of the tension to a wellsite surface. The apparatus further comprises a perforating tool for coupling within the tool string and operable to perforate at least a portion of a subterranean formation surrounding a wellbore.
An apparatus and method for performing a downhole impact operation. The apparatus comprising: an impact tool (200) operable to be coupled between opposing first (206) and second (210) portions of a downhole tool string and conveyed within a wellbore, wherein the impact tool comprises: a housing (202); a chamber (214) within the housing (202); a piston (220) slidably disposed within the chamber (214) and dividing the chamber into a first chamber volume (222) and a second chamber volume (224), wherein the first chamber volume (222) is open to a space external to the housing (202), and wherein the second chamber volume (224) is fluidly isolated from the space external to the housing (202); and a shaft (240) connected with the piston (220) and axially movable with respect to the housing (202).
A downhole tool and method for orienting a tool string within a passage, wherein the passage is a wellbore or a tubular member disposed in a wellbore. The downhole tool may include a frame (210) operable for connection with the tool string (100), a first orienting feature (211) connected to a first side of the frame (210), and a second orienting feature (212) connected to a second side of the frame (210). The first orienting feature (211) may be rotatable relative to the frame about a first axis of rotation that is offset from a central axis of the tool string and the second orienting feature (212) may be rotatable relative to the frame about a second axis of rotation that is offset from the central axis of the tool string.
An impact tool for coupling between opposing first and second portions of a downhole tool. The impact tool may include a housing (210, 240) having opposing first and second ends, a first shaft (208) extending from within the housing at the first end of the housing, a second shaft (238) extending from within the housing at the second end of the housing, an energy storing member (226, 278) disposed within the housing, and a latching mechanism (264) operable to selectively permit relative motion between the housing and the second shaft to release energy stored in the energy storing member to impart an impact to the downhole tool string.
An impact apparatus conveyable in a tool string within a wellbore comprises a mandrel, a first impact feature, and a latch pin retainer encircling an end of the mandrel. A release sleeve encircles a portion of the latch pin retainer and includes a radial recess. Latch pins retained by the latch pin retainer are slidable into and out of the radial recess, and prevent disengagement of the mandrel end from the latch pin retainer when not extending into the radial recess. A release member electromagnetically causes relative translation of the latch pin retainer and the release sleeve, including aligning the latch pins with the radial recess and thereby permitting the disengagement. A second impact feature is positioned to impact the first impact feature in response to the disengagement when the impact apparatus is under tension.
A downhole tool having opposing interfaces for incorporation of the downhole tool into a downhole tool string. A housing extends between the opposing interfaces, and a bore extends longitudinally through the housing between the opposing interfaces. An accelerometer is disposed within the bore of the housing for detecting acceleration of the downhole tool in response to a mechanical impact generated elsewhere within the downhole tool string. The accelerometer generates an output signal indicative of the acceleration. The downhole tool also includes a processor for processing the output signal, a memory device for storing the output signal or data generated by the processor, and an electrical energy source powering the processor and the memory device.
E21B 47/01 - Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
E21B 31/107 - Fishing for or freeing objects in boreholes or wells using impact means for releasing stuck parts, e.g. jars
G01P 15/08 - Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces with conversion into electric or magnetic values
Oil and gas equipment, namely, downhole tools in the nature of wireline tools for use in oil and gas wells, impact tools for dislodging tools stuck in a borehole, energizing tools used to store and release energy to impart an impact downhole, jarring tools, shock tools, hydraulic jars, mechanical jars, orienting tools and kickover tools; downhole friction reducing tools; downhole tools for maintaining standoff and reducing contact with a wellbore; downhole conveyors comprising at least one roller to reduce friction during conveyance within a well; downhole hydraulic intensifiers, accelerators, and shock absorbers, all being parts of machines
Oil and gas equipment, namely, downhole tools in the nature of wireline tools for use in oil and gas wells, impact tools for dislodging tools stuck in a borehole, energizing tools used to store and release energy to impart an impact downhole, jarring tools, shock tools, hydraulic jar, mechanical jars, orienting tools and kickover tools; downhole friction reducing tools; downhole tools for maintaining standoff and reducing contact with a wellbore; downhole conveyors comprising at least one roller to reduce friction during conveyance within a well; downhole hydraulic intensifiers, accelerators, and shock absorbers, all being parts of machines
A hydraulic jar coupled between opposing first and second portions of a downhole tool string. The hydraulic jar includes a housing comprising a shoulder protruding radially inward from an internal surface of the housing, a shaft disposed within the housing, a piston fixedly positioned about the shaft and fluidly sealed against the shoulder, and a pressure relief device. The housing and the shaft move axially relative to each other and the shoulder axially interposes first and second portions of an annulus formed between the shaft and the housing. The pressure relief device controls fluid flow from the first annulus portion to the second annulus portion based on a pressure of the fluid in the first annulus portion relative to a set pressure of the pressure relief device.
A hydraulic jar coupled between opposing first and second portions of a downhole tool string. The hydraulic jar includes a housing comprising a shoulder protruding radially inward from an internal surface of the housing, a shaft disposed within the housing, a piston fixedly positioned about the shaft and fluidly sealed against the shoulder, and a pressure relief device. The housing and the shaft move axially relative to each other and the shoulder axially interposes first and second portions of an annulus formed between the shaft and the housing. The pressure relief device controls fluid flow from the first annulus portion to the second annulus portion based on a pressure of the fluid in the first annulus portion relative to a set pressure of the pressure relief device.
A hydraulic jar coupled between opposing first and second portions of a downhole tool string. The hydraulic jar includes a housing comprising a shoulder protruding radially inward from an internal surface of the housing, a shaft disposed within the housing, a piston fixedly positioned about the shaft and fluidly sealed against the shoulder, and a pressure relief device. The housing and the shaft move axially relative to each other and the shoulder axially interposes first and second portions of an annulus formed between the shaft and the housing. The pressure relief device controls fluid flow from the first annulus portion to the second annulus portion based on a pressure of the fluid in the first annulus portion relative to a set pressure of the pressure relief device.
09 - Scientific and electric apparatus and instruments
Goods & Services
Downhole tools having tension-sensing devices for use when lowering, raising, and operating a tool string in a well, namely, for sensing tension applied to the tool string by wireline cabling extending from the well surface
A jarring tool operable for coupling within and generating an impact imparted to a downhole tool string. The jarring tool includes an upper housing, a lower housing, and a shaft coupled with the lower housing and extending into the upper housing. The upper housing moves axially relative to the lower housing along the shaft. The jarring tool also includes an accelerometer for detecting acceleration caused by an impact generated by movement of the upper housing away from the lower housing until corresponding impact features of the upper and lower housings collide.
A jarring tool operable for coupling within and generating an impact imparted to a downhole tool string. The jarring tool includes an upper housing, a lower housing, and a shaft coupled with the lower housing and extending into the upper housing. The upper housing moves axially relative to the lower housing along the shaft. The jarring tool also includes an accelerometer for detecting acceleration caused by an impact generated by movement of the upper housing away from the lower housing until corresponding impact features of the upper and lower housings collide.
H01R 13/523 - Dustproof, splashproof, drip-proof, waterproof, or flameproof cases for use under water
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 47/01 - Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
An apparatus comprising a housing to be coupled to an end of a downhole tool, a member rotatably coupled to the housing, and first and second arms extending from the member. A first wheel is rotatably coupled between the first and second arms, a second wheel is rotatably coupled with the first arm opposite the first wheel, and a third wheel is rotatably coupled with the second arm opposite the first wheel. The first, second, and third wheels independently rotate relative to the first and second arms, and collectively rotate with the member relative to the housing.
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 jarring tool operable for coupling within and generating an impact imparted to a downhole tool string. The jarring tool includes an upper housing, a lower housing, and a shaft coupled with the lower housing and extending into the upper housing. The upper housing moves axially relative to the lower housing along the shaft. The jarring tool also includes an accelerometer for detecting acceleration caused by an impact generated by movement of the upper housing away from the lower housing until corresponding impact features of the upper and lower housings collide.
A bulkhead connector assembly for assembly within a downhole tool to isolate a dry side of the downhole tool from a fluid side of the downhole tool and to allow electrical communication therebetween. The bulkhead connector assembly comprises a bulkhead comprising holes extending therethrough, wherein the bulkhead is adapted to form a fluid seal against an inside surface of the downhole tool. Terminals extend through the bulkhead, wherein an end of each terminal is in electrical communication with one of a plurality of electrical wires. Boots each extend about the end of a corresponding one of the terminals. A retaining block has holes each receiving one of the boots. A housing positioned around the retaining block is coupled to the bulkhead, thus positionally fixing the retaining block relative to the bulkhead.
Apparatus comprising a gripper operable to grip a cable extending between the Earth's surface and a downhole tool, wherein the downhole tool is suspended in a wellbore that extends from the Earth's surface to one or more subterranean formations. A body is assembled to the gripper. A plurality of rolling elements are each rotatably coupled to the body and operable to rotate relative to the body in response to contact with a sidewall of the wellbore as the body is translated along the wellbore. The body and the plurality of rolling elements collectively rotate relative to the gripper and, thus, the cable.
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
Apparatus comprising a gripper (330) operable to grip a cable (40) extending between the Earth's surface and a downhole tool, wherein the downhole tool is suspended in a wellbore that extends from the Earth's surface to one or more subterranean formations. A body (310) is assembled to the gripper (330). A plurality of rolling elements (320) are each rotatably coupled to the body (310) and operable to rotate relative to the body in response to contact with a sidewall of the wellbore as the body (310) is translated along the wellbore. The body (310) and the plurality of rolling elements (320) collectively rotate relative to the gripper (330) and, thus, the cable (40).
A downhole-adjusting impact apparatus (DAIA) mechanically coupled between opposing first and second portions of a tool string, wherein: the tool string is conveyable within a wellbore extending between a wellsite surface and a subterranean formation; the first tool string portion comprises a first electrical conductor in electrical communication with surface equipment disposed at the wellsite surface; the DAIA comprises a second electrical conductor in electrical communication with the first electrical conductor; and the DAIA is operable to: detect an electrical characteristic of the second electrical conductor; impart a first impact force on the second tool string portion when the electrical characteristic is detected; and impart a second impact force on the second tool string portion when the electrical characteristic is not detected, wherein the second impact force is substantially greater than the first impact force.
E21B 34/10 - Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
E21B 31/107 - Fishing for or freeing objects in boreholes or wells using impact means for releasing stuck parts, e.g. jars
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 downhole-adjusting impact apparatus (DAIA) mechanically coupled between opposing first and second portions of a tool string, wherein: the tool string is conveyable within a wellbore extending between a wellsite surface and a subterranean formation; the first tool string portion comprises a first electrical conductor in electrical communication with surface equipment disposed at the wellsite surface; the DAIA comprises a second electrical conductor in electrical communication with the first electrical conductor; and the DAIA is operable to: detect an electrical characteristic of the second electrical conductor; impart a first impact force on the second tool string portion when the electrical characteristic is detected; and impart a second impact force on the second tool string portion when the electrical characteristic is not detected, wherein the second impact force is substantially greater than the first impact force.
E21B 31/107 - Fishing for or freeing objects in boreholes or wells using impact means for releasing stuck parts, e.g. jars
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 downhole-adjusting impact apparatus (DAIA) (200) mechanically coupled between opposing first and second portions of a tool string (110), wherein: the tool string is conveyable within a wellbore (120) extending between a wellsite surface (105) and a subterranean formation (130); the first tool string portion (140) comprises a first electrical conductor (210) in electrical communication with surface equipment (175) disposed at the wellsite surface; the DAIA comprises a second electrical conductor (205) in electrical communication with the first electrical conductor; and the DAIA is operable to: detect an electrical characteristic of the second electrical conductor; impart a first impact force on the second tool string portion (150) when the electrical characteristic is detected; and impart a second impact force on the second tool string portion when the electrical characteristic is not detected, wherein the second impact force is substantially greater than the first impact force.
E21B 31/107 - Fishing for or freeing objects in boreholes or wells using impact means for releasing stuck parts, e.g. jars
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
An impact apparatus conveyable in a tool string within a wellbore comprises a mandrel, a first impact feature, and a latch pin retainer encircling an end of the mandrel. A release sleeve encircles a portion of the latch pin retainer and includes a radial recess. Latch pins retained by the latch pin retainer are slidable into and out of the radial recess, and prevent disengagement of the mandrel end from the latch pin retainer when not extending into the radial recess. A release member electromagnetically causes relative translation of the latch pin retainer and the release sleeve, including aligning the latch pins with the radial recess and thereby permitting the disengagement. A second impact feature is positioned to impact the first impact feature in response to the disengagement when the impact apparatus is under tension.
An impact apparatus conveyable in a tool string via conveyance means within a wellbore. The impact apparatus comprises a first portion, including a first interface coupled with a first tool string component, a first engagement feature, and a first impact feature. The impact apparatus also comprises a second portion, including a second interface coupled with a second tool string apparatus, a second engagement feature in selectable engagement with the first engagement feature, and a second impact feature positioned to impact the first impact feature in response to disengagement of the first and second engagement features and a tensile force applied across the tool string by the conveyance means. A release member positionable between first and second positions in response to a signal carried by the conveyance means prevents disengagement of the first and second engaging features when in the first position but not the second position.
