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WO/2019/182966A1 |
A retractable and extendable roller reamer is positioned on a string. The retractable and extendable roller reamer is configured to support and centralize the string within the wellbore. An extension and retraction mechanism is configure...
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WO/2019/183378A1 |
A method of sealing the interstice in double-walled pipe includes the steps of applying a first sealing piece to an inner pipe of the double-walled pipe, wherein the first sealing piece covers a portion of the circumference of the inner ...
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WO/2019/182976A1 |
A retractable and extendable cone-type reamer is positioned on a drill string. An extension and retraction mechanism is configured to extend and retract the cone-type reamer. A hydraulic power unit is configured to control the extension ...
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WO/2019/179354A1 |
Provided is a low temperature resistant oil casing with high strength and high toughness, and the manufacturing method thereof, the chemical element mass percentages of the oil casing are: C: 0.08-0.14％, Si: 0.1-0.4%, Mn: 0.6-1.3%, Cr:...
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WO/2019/175765A1 |
The drilling machine (1) comprises: - a machine body (2); - a drilling head (3) associated in a movable manner with the machine body (2) which is adapted to excavate in a ground (4) along a direction of drilling (A) provided with a subst...
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WO/2019/177743A1 |
A valve assembly including a tubular having a first end, a second end, and an intermediate portion extending therebetween. The second end includes one or more openings. A pin member extends radially outwardly of the intermediate portion ...
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WO/2019/175661A1 |
The present invention provides a buoyant system and method for a hydrocarbon offshore floating platform to be coupled and decoupled from a subsea buoyant extension with risers slidably coupled thereto. The buoyant system can allow rigid ...
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WO/2019/177605A1 |
A cut-to-release packer can include a bottom sub, a wedge assembly, a mandrel, and a load diverting snap ring. The mandrel extends within the wedge assembly. The mandrel can include a support portion with a first cross-sectional thicknes...
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WO/2019/175259A1 |
An offloading system for conveying hydrocarbons from a buoyancy-supported subsea riser to a surface tanker vessel comprises a flexible hose that hangs from the riser structure in a U-shape having first and second limbs. An upper end of t...
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WO/2019/178320A1 |
A device for transferring torque to a drill bit in a borehole having a borehole axis includes a support element configured to rotate in the borehole about the borehole axis, a torque transferring element configured to transfer torque fro...
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WO/2019/178318A1 |
Systems and methods for damping torsional oscillations of downhole systems are described. The systems include a damping system configured on the downhole system. The damping system includes a first element and a second element in frictio...
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WO/2019/169510A1 |
A plurality of energy-generator pods, and methods of use, are provided along a rotatable tubular string extending downhole from surface into a wellbore. In embodiments, rotation of the tubular acts as a rotor of the pod and an outer comp...
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WO/2019/170033A1 |
A reverse rotation water spray-type anti-sticking drill pipe system and a usage method therefor, said system comprising a front drill pipe (1), a water spray apparatus (2), a rotation apparatus (3) and a rear drill pipe (4) which are arr...
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WO/2019/171899A1 |
Provided is a screw joint for an oil well pipe in which the screw length of a joint portion is made more efficient, and with which machining time and installation time are reduced. The present invention provides an integral type screw jo...
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WO/2019/170436A1 |
A coupling for connecting downhole tubulars includes: a tubular body; and at least one of: a male screw thread formed on an outer surface of the body, and a female screw thread formed in an inner surface of the body. The at least one thr...
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WO/2019/173177A1 |
A device for measuring a parameter of interest downhole, includes a downhole component configured to be disposed in a borehole formed in an earth formation, and at least one module configured to be removably connected to the downhole com...
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WO/2019/172863A1 |
The present application is relating to a method, system for placing an elongated element inside a tubing. The method comprises the following steps: a) providing a first section of tubing; b) placing a first portion of the elongated eleme...
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WO/2019/170437A1 |
A connection for use in percussion drilling includes a male coupling and a female coupling. Each coupling includes a body and a respective screw thread formed on a respective inner or outer surface of the respective body. Each thread has...
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WO/2019/169460A1 |
A plug and play connection system for a managed pressure drilling system includes a connection hub flange disposed around an outer surface of an outer barrel of a telescopic joint that includes a plurality of pass-through ports and a plu...
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WO/2019/173176A1 |
A device for steering a drilling assembly including a sleeve configured to be disposed around a length of a drive shaft configured to be disposed in a borehole in an earth formation. The drive shaft is configured to be rotated. The sleev...
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WO/2019/169246A1 |
A frac tree coupled to a wellhead is connected to either flowback equipment or zipper modules using a single straight-line connection of pipes, valves, and/or frac iron that define a straight-line pathway for fluid, gas, or flowback mate...
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WO/2019/166788A1 |
A roller tool (1) that can be connected into a string for deployment into an oil or gas well includes at least two rollers or wheels (10) located on each side of the roller tool (1), with axes of rotation that are perpendicular to the ax...
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WO/2019/169061A1 |
Systems and methods for coupling a platform to a subsea wellhead are provided. The systems may include a riser extending between the platform and the subsea wellhead. The systems may further include an inner drilling riser tie-back conne...
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WO/2019/168806A1 |
Embodiments of the present disclosure describe a piston cylinder arrangement including an inner barrel (18) positioned within an outer barrel (12), being linearly moveable along an axis (56). A primary sealing assembly (28) at an upper e...
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WO/2019/168952A1 |
A threaded product is provided that may be suitable for well applications, such as drilling and production, and particularly for highly deviated and short radius applications. An external thread form on a tubular pin member comprises loa...
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WO/2019/165534A1 |
A wear resistant insert including a deposition substrate having an exterior surface, and a wear resistant layer deposited on the exterior surface of the deposition substrate. The wear resistant insert may further include a structure inte...
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WO/2019/169235A1 |
A system for determining bending of a drilling tool includes at least one element attached to the drilling tool and the at least one element includes a magnetic material, and at least one electrical conduit in the drilling tool and elect...
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WO/2019/165392A1 |
A technique facilitates formation of a gravel pack along relatively lengthy wellbores. According to an embodiment, a completion system comprises a screen assembly and an alternate path system disposed along the screen assembly. The alter...
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WO/2019/165303A1 |
A downhole tool component may be deployed in a wellbore such that a flexible portion of the tool component is constrained to a first range of motion. By applying a force to the flexible portion, a flexible carrier material applied around...
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WO/2019/164492A1 |
A device and method for providing a temporary seal during installation of downhole components is disclosed according to one or more embodiments. A tubular sleeve is made of a degradable material and may be disposed within a downhole comp...
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WO/2019/164607A1 |
A resource exploration and recovery component including a fractal geometry.
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WO/2019/160835A1 |
A telemetry system for a resource exploration and recovery system including a tubular defining a flow bore, and a superconductor wire disposed within the flow bore. A resource exploration and recovery system including a first system, a s...
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WO/2019/160578A1 |
Ratchet locking segments permit one direction relative movement and then prevent reverse movement to hold a set position of a tool. The segments are axially supported in a surrounding housing using an exterior profile on each segment mes...
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WO/2019/158174A1 |
A control system for controlling disconnection of riser system that extends between a vessel and a subsea location that comprises a wellbore, the riser system configured to receive a string in use, the control system being configured to ...
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WO/2019/159113A1 |
The present invention relates to a wireline retrieval head assembly and downhole tool, the wireline retrieval head assembly for coupling to the downhole tool for installation in and retrieval from downhole in a mineral industry field of ...
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WO/2019/161347A1 |
A motorized release device for a downhole device includes one or more dogs disposed within a guide of the downhole device. The one or more dogs may move radially within the guide relative to a central axis of the motorized release device...
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WO/2019/157021A1 |
An apparatus for performing electrical discharge machining within a well, may include an elongated body comprising a first end and a second end and defining an interior cavity; and at least one electrode positioned within the elongated b...
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WO/2019/156701A1 |
A wear busing running tool can include an actuator with a mandrel and an interior flow passage, an engagement sub including engagement devices inwardly and outwardly displaceable in response to displacement of the mandrel by the actuator...
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WO/2019/156744A1 |
An apparatus deploys and retrieves a wear bushing in a wellhead during the same trip, such as when using a bottom hole assembly for drilling. Arms in the form of pistons, levers, dogs, etc. can be moved between retracted and extended con...
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WO/2019/156810A1 |
A method and apparatus according to which a connection between first and second completion joints is made up. The first and second completion joints each include a base pipe and a shunt tube disposed along the base pipe. The respective b...
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WO/2019/152928A1 |
An apparatus in the form of an adapter for forming a connection comprising a first part adapted for coupling with a second part by a quick-release coupling formed by a first projection of the first part having an at least partial dovetai...
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WO/2019/148357A1 |
Disclosed is an assistive apparatus for oil exploitation, comprising a cylindrical body (1). Multiple annular grooves are arranged on the cylindrical body (1). The annular grooves divide the cylindrical body (1) into multiple rigid porti...
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WO/2019/152910A1 |
A system for coupling a first pipe segment (302) to a second pipe segment (304) includes a pin (310, 410), the pin (310) having a first outer diameter (318) and a second outer diameter (316), the second outer diameter (316) forming a rec...
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WO/2019/152975A1 |
Systems and methods for reducing friction between a casing string and a bore of a subterranean well when moving the casing string within the bore of a subterranean well include a roller bearing assembly. The roller bearing assembly has a...
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WO/2019/148358A1 |
A segmented protection device for a drill pipe comprises: a cylindrical body (1), wherein multiple annular grooves are arranged on the cylindrical body (1), the annular grooves divide the cylindrical body (1) into multiple rigid portions...
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WO/2019/147398A1 |
A string of coiled tubing (29) having a power cable (35) therein supports and supplies power to an electrical submersible well pump assembly (15) in a well. The coiled tubing has an upper section (29a) and a lower section (29b) joining e...
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WO/2019/147123A1 |
A method of installing a reinforced thermoplastic pipe (RTP) (102) in a production tube is provided, the method includes the steps of preparing a bottom assembly (703) in a production well, swaging connectors (707, 709) onto both ends of...
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WO/2019/147268A1 |
A wellbore assembly can include a completion string having a side pocket. A downhole device can be positioned within the side pocket of the completion string. The downhole device can have a first end sized and shaped for coupling to a to...
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WO/2019/148152A1 |
A technique facilitates formation of a gravel pack along relatively lengthy wellbores. According to an embodiment, a completion system comprises a plurality of screen assemblies. The completion system also has an alternate path system di...
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WO/2019/145602A1 |
An arrangement and a method for installing a casing in a borehole. The arrangement (100) comprises a casing (1), a boring pipe (2) which is adapted within the casing (1), the boring pipe (2) comprising flow channels for compressed air (3...
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