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WO/2021/040686A1 |
Certain aspects and examples of the present disclosure relate to an assembly for positioning a liner hanger and conducting a test on the liner hanger in the same trip downhole. The assembly can include a liner hanger, a setting control m...
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WO/2021/040759A1 |
A downhole apparatus comprises a casing string with a fluid barrier connected in the casing string. A degradable plug is positioned in the casing string above the fluid barrier. The degradable plug and fluid barrier define upper and lowe...
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WO/2021/038030A1 |
The measurement apparatus (50) comprises at least one elastic hybrid cable (52) wound around the deformable object (22), and a measurement unit (54) capable of measuring the inductance of a wire of the elastic hybrid cable (52) comprisin...
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WO/2021/040778A1 |
A method for determining annular fluid expansion ("AFE") within a borehole with a sealed casing string annulus. The method may include defining a configuration of the borehole. The method may further include defining a production operati...
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WO/2021/041477A1 |
A blowout preventer (BOP) for controlling pressure within a wellbore includes an internal cavity (406) and a front side (202) including a door opening (400), the door opening (400) providing access to the internal cavity (406). The BOP a...
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WO/2021/041549A1 |
An annular seal system for sealing between a casing hanger and a wellhead housing, the system including an actuator ring having a rigid portion and a flexible portion, and a lockdown ring positioned adjacent the actuator ring. The system...
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WO/2021/040737A1 |
The present disclosure includes a plug for cementing a wellbore. The plug may include a cylinder. The cylinder may include at least one body including a non-conductive material with conductive filaments dispersed within the non-conductiv...
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WO/2021/040792A1 |
Zonal isolation devices, systems, and methods for use are provided. In some embodiments, the zonal isolation device comprises a tubular body having a fluid communication pathway formed along a longitudinal axis comprising: a sealing elem...
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WO/2021/041475A1 |
A blowout preventer (BOP) for controlling pressure within a wellbore includes a body (200) having a front side (202) and a back side (204). The BOP also includes a door opening (400) extending through the front side (202). The BOP furthe...
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WO/2021/037397A1 |
A wellhead assembly (100) comprises a wellhead apparatus (10) having a tubular body (16) defining an axial throughbore (18), a tubing hanger (12) for supporting downhole tubing (14) and associated downhole tools and equipment within the ...
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WO/2021/041303A1 |
An anchor and seal system including a slip, a cone in radially expanding communication with the slip, an element in loadable communication with the cone, and a pusher configured to radially displace the element to reside on an element re...
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WO/2021/040793A1 |
A zonal isolation device comprising a sealing element comprising a deformable material and an inner bore; a support ring movably disposed within the inner bore of the sealing element; a rotatable sealing component coupled to the support ...
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WO/2021/040694A1 |
A method may include providing a cement composition comprising ground vitrified clay, hydrated lime, and water; and introducing the cement composition into a subterranean formation.
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WO/2021/003307A9 |
The present invention provides a method, system, and device for sealing a wellbore or piping system by creating a zone or area of voltage difference above and below a leak.
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WO/2021/032686A1 |
The invention relates to a subsea wellhead support system (1) comprising: - a foundation assembly (2); - a conductor housing (31) for supporting a wellhead (4); - a connection arrangement (5) between the foundation assembly (2) and the c...
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WO/2021/032642A1 |
A well tool device with a housing (2) and a through bore (3). A frangible disc (4) is supported in the through bore (3) by a first supporting device (22) and a second supporting device (32). The well tool device (1) is configured to be i...
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WO/2021/034325A1 |
A metal patch for patching a downhole well casing comprises a metal sealant having a shape congruent with a section of the downhole well casing and transition-able from a first state to a second state. The metal sealant expands and harde...
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WO/2021/033013A1 |
The present invention relates to a through BOP lubrication system (1), which is capable to be run-through a rig blow out preventer BOP (80), located below the rig floor (5), the through BOP lubrication system (1) comprising a lubricator ...
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WO/2021/034803A1 |
A well tubing system (100) includes a well tubing (114) extending from a wellhead (104) and disposed in a wellbore (102), and multiple capillary tubes (120) coupled to the wellhead and extending from the wellhead into an annulus formed b...
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WO/2021/034801A1 |
A sidetrack window (210) is cut in a cased wellbore (102) by disposing a sidetracking assembly (100) within the cased wellbore. A first ball (130) is deployed into a drill string (106) of the sidetracking assembly. The first ball leaves ...
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WO/2021/028689A1 |
A well construction method, and corresponding apparatus, in which a drilled bore (106) is lined with a plurality of successively smaller diameter sections of bore-lining tubing includes at least one casing (108, 110, 112) and at least on...
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WO/2021/030683A1 |
In a snubbing operation, a method is used for determining when a wellbore should be circulated by comparing calculated torque and drag values from a clean wellbore against actual torque and drag values. In a more expansive application, f...
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WO/2021/030673A1 |
A ram for a blowout preventer has a pressure chamber having a piston movably disposed therein, and a charge disposed at one end of the pressure chamber. A gate is coupled to the piston on a side opposed to the charge. The gate is arrange...
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WO/2021/026610A1 |
A subsea tree including a fluid swivel, the fluid swivel comprising: (a) a fixed inner body defining an inlet for fluid communication with a production conduit for a subsea well; (b) a rotatable outer body defining an outlet and an attac...
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WO/2021/029776A1 |
A Christmas tree (10) having a main body (14) which encloses a main passage (16), the main body (14) having a first end (14a) which is adapted to be secured to a well head (12), and a second end (14b) which is adapted to be connected to ...
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WO/2021/023978A1 |
Method of, and associated apparatus, of providing a seal or barrier in a bore. The examples include, but are not limited to, providing a sealing barrier for use in underground boreholes and formations, including but not limited to oil, g...
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WO/2021/025689A1 |
Disclosed herein are aspects of a gas lift mandrel plug for use in a wellbore. In one embodiment, a gas lift mandrel plug may comprise an elongate member having a proximal end and a distal end, wherein the elongate member comprises a met...
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WO/2021/022909A1 |
Disclosed is a method for achieving water self-plugging by means of stacking packer particles at an oil-water interface, the method comprising the following steps: injecting packer particles into a fracture cave of a wellbore production ...
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WO/2021/025590A1 |
FIELD: oil and gas industry. SUBSTANCE: invention relates to oil and gas industry and can be used to improve stability of reservoir rock in bottomhole zones of wells to destructive loads developing during operation of wells at oil and ga...
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WO/2021/026536A1 |
A pipe coupling device (100) includes a body (104) configured to connect a first pipe segment (111) to a second pipe segment (113), a sealing device (106) carried by the body, and an activation unit (128). The sealing device (106) includ...
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WO/2021/025669A1 |
A downhole well system can use a fiber optic cable that can be positioned downhole along a length of a wellbore. The well system may include a top plug, a bottom plug, or both that are used to contain a cement slurry during a cementing o...
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WO/2021/026260A1 |
Systems and methods for delivering a tubular string into a subterranean well include a tubular running machine. The tubular running machine has a machine housing that includes a tubular member with a central bore. A turbine is located wi...
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WO/2021/021203A1 |
The disclosed embodiments include methods to monitor expansion of a metallic sealant deployed in a wellbore, methods to monitor downhole fluid displacement, and downhole metallic sealant measurement systems. The method to monitor expansi...
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WO/2021/021211A1 |
A plug assembly for use in oil and gas wells includes a sleeve having a debris barrier. The plug assembly may have a top sub, a bottom sub, and a middle sub arranged between the top sub and the bottom sub. The middle sub has an interior ...
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WO/2021/021221A1 |
A temporary seal may be configured to be initially positioned on a seal seat within casing, and be configured to be broken or disengaged by increasing the pressure within the inner diameter of the casing past a pressure threshold. Subseq...
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WO/2021/021135A1 |
Methods of forming an aqueous silica suspension are provided. The methods include admixing water, an organic acid, a silica powder, and a siliconate under certain conditions. The silica powder includes undensified silica powder in an amo...
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WO/2021/021464A1 |
An outer diameter of a mandrel with a recess to accommodate lower slips with a larger thickness, a sealing element with a concave outer diameter to control a pressure differential caused by a Bernoulli Effect across the sealing element, ...
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WO/2021/016341A1 |
An apparatus includes a flowline connector having an inboard pipe and an outboard assembly. The outboard assembly includes a frame and an outboard pipe moveable within the frame to allow the outboard pipe to be moved toward the inboard p...
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WO/2021/011013A1 |
Disclosed herein are methods and systems that utilize reactive metals that hydrate in the presence of a wellbore fluid. The reactive metals disclosed herein can be utilized in cement compositions, on the outer surface of the oilfield tub...
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WO/2021/010988A1 |
A packer has a constrained portion coupled to a mandrel and an unconstrained portion made of a swellable material and coupled to the constrained portion. The unconstrained portion is free to move with respect to the mandrel.
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WO/2021/010989A1 |
Methods for forming a seal in a wellbore. An example method includes positioning an expandable metal sealing element in the wellbore; wherein the expandable metal sealing element comprises a composite material of expandable metal and a r...
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WO/2021/011291A1 |
A method for performing a well intervention operation includes the steps of: (a) sealingly coupling a lubricator onto an open top end of a well tree, the lubricator having a hollow interior in which a rotatable winch is contained, the wi...
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WO/2021/011838A1 |
A technique facilitates use of a liner hanger in a borehole. A port free hydraulic unibody system including an outer structure having a tubing hanger portion and a packer portion mounted about a mandrel may be constructed so as to avoid ...
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WO/2021/010979A1 |
A plug for displacing cement in a downhole environment comprising a seal surface having at least one profile. The seal surface, in response to applied pressure, creates a hydraulic seal with another device. The seal surface can be made o...
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WO/2021/011419A1 |
A well tool can include a downhole anchor with at least one outwardly extendable slip including longitudinally spaced apart grip structures, and a longitudinally extending beam which connects the grip structures to each other. The beam h...
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WO/2021/007430A1 |
A tool for use in a wellbore includes a housing and a first plurality of arms. Each arm includes a first end coupled to the housing and a second end spaced apart from the first end. The plurality of arms is extendable from a first positi...
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WO/2021/007024A2 |
A well barrier can include an inner mandrel, a flow passage, and a releasably secured plug. The plug blocks fluid flow through the flow passage, and includes a shoulder that prevents the plug from displacing completely through the inner ...
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WO/2021/006930A1 |
Systems and techniques for determining properties of a formation comprising are disclosed. A test tool attached to test string comprising a fluid conduit is deployed to a test position within a wellbore. The deploy ment includes hydrauli...
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WO/2021/006891A1 |
The present disclosure relates to multiple stage operations, and more particularly to systems and methods for performing, second stage cementing operations with a stage tool. A stage tool comprises: a mandrel; an opening seat; a closing ...
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WO/2021/007261A1 |
A highly elastic annular seal assembly includes a metal stabilator having inner and outer spaced-apart and projecting annular plates coupled to a common base and forming a U-shaped geometry, and a metal seal ring having inner and outer s...
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