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WO/2021/021268A1 |
A system is provided for providing power and/or communication to/from a downhole device by inductively coupling a coupling conductor within a receiver to a core conductor of a tubing encased conductor (TEC). The receiver has an elongated...
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WO/2021/021233A1 |
The downhole friction reducing tool of the present invention includes an integral friction coefficient reducer and is configured to reduce friction in all planes, reduce torque and/or drag continually and reduce frictional wear and damag...
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WO/2021/021139A1 |
A hose assembly for a pump comprising a pressurized hose, wherein the pressurized hose is exposed to pressure during at least a part of the operation of the pump, and a leak detection system comprising an outer hose concentrically positi...
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WO/2021/015855A1 |
An electronics module or "puck" is positioned in a recess formed in the outer surface of a downhole tool. The puck body includes a flange segment having a first outer diameter, and an adjacent seal-engaging segment having an outer diamet...
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WO/2021/013646A1 |
Threaded tubular connection for the casing of hydrocarbon wells obtained by makeup of a male tool joint with a female tool joint, the connection comprising in this order from a free edge (19) of the male tool joint: an inner metal-metal ...
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WO/2021/013645A1 |
Threaded tubular connection for the casing of hydrocarbon wells obtained by makeup of a male tool joint with a female tool joint, the connection comprising a threaded portion (16a, 18a), such that the male and respectively female threade...
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WO/2021/016376A1 |
A planning tool plans movement of a boring tool for an underground drilling operation. The planning tool includes one or more wheels for rolling on a surface of the ground along a path responsive to movement by an operator to characteriz...
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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/2021/014142A1 |
A centraliser (10;110) for centralising tubing (T) in a bore (B) comprises a body (12;112), one or more blades (14;114) extending radially outwards from the body (12;112). One or more of the blades (14;114) receives a blade standoff (20;...
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WO/2021/011017A1 |
In some examples, a downhole torque measurement tool comprises a first surface of a structure; a second surface of the structure, the second surface facing the first surface; a shear stress sensor positioned on the first surface; and a f...
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WO/2021/011021A1 |
A hybrid coiled tubing system. The hybrid coiled tubing system may include composite coiled tubing, metallic coiled tubing, and a composite coiled tubing connector coupled to and joining the composite coiled tubing and the metallic coile...
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WO/2021/011443A1 |
A threaded connection for exploration and production of a hydrocarbon well and comprising a coupling member, a first tubular member and a second tubular member, wherein the coupling member has a coupling outer diameter, a first box part ...
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WO/2021/006741A1 |
A tubular for use in the creation or completion of, or production from, an oil and/or gas well. The tubular comprises; an elongate main body; a stab-in connector element located at an end of the main body; and a rotatable connection slee...
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WO/2021/007556A1 |
A downhole assembly that includes tubulars rotationally coupled to one another. An interface is between adjacent tubulars that makes up at least a portion of the rotational coupling. Certain surfaces of adjacent tubulars come into contac...
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WO/2021/003536A1 |
A return exhaust assembly (50) for a reverse circulation hammer H comprises return tube (52) having first and second ends and a seat (56) at or near the first end (54). An exhaust sleeve (58) has: a section (60) seated and resiliently su...
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WO/2021/002829A1 |
A drilling tool for use in a wellbore is provided. The drilling tool comprises a first collar having a first bore extending from a first send to a second end and an internal thread disposed on the bore at the second end. The drilling too...
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WO/2021/003466A1 |
In an exemplary embodiment, the present invention includes a casing rotation system for use in connection with a well that has a casing deployed inside a wellbore, in which the casing a shoe track and a production section with a rotatabl...
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WO/2021/001314A1 |
Disclosed is a tubular threaded joint (1) for drilling, operating hydrocarbon wells or transporting oil and gas, comprising a male threaded tubular element (2) and a female threaded tubular element (3), the female threaded tubular elemen...
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WO/2021/002827A1 |
Aspects of the subject technology relate to a sensor for a downhole tool. The downhole tool can include a collar and a sensor. The sensor can be secured to the collar for measuring one or more operational characteristics of the downhole ...
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WO/2021/002832A1 |
Aspects of the subject technology relate to a sensor for a downhole tool. The downhole tool can include a collar and a sensor. The sensor can be secured to the collar for measuring one or more operational characteristics of the downhole ...
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WO/2021/002830A1 |
Aspects of the subject technology relate to a sensor for a downhole tool. The downhole tool can include a collar and a sensor. The sensor can be secured to the collar for measuring one or more operational characteristics of the downhole ...
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WO/2021/002833A1 |
Aspects of the subject technology relate to a downhole protective housing for electronic components including a circuit board. The protective housing can include a chassis comprising two elongate side rails, a circuit board located betwe...
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WO/2021/002856A1 |
A system to clean well casing in a downhole well operation. The system comprises an inner collar having flow ports and an out collar having jet ports in fluid communication with the flow ports. The inner collar couples with a section of ...
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WO/2021/001059A1 |
The present invention concerns a two flow, hydrocarbon production fluid flow path connecting concentric hub. The hub comprises a first and second end sections, each with a concentric port, a concentric inner flow path forming a part of a...
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WO/2021/002752A1 |
By mutually interconnected specimens of a suppression element (100) according to the invention, there can be formed a strong and reliable construction of a tube around a tubular element. The suppression element (100) has a first fin stru...
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WO/2021/002834A1 |
Aspects of the subject technology relate to a sensor for a downhole tool. The downhole tool can include a collar and a sensor. The sensor can be secured to the collar for measuring one or more operational characteristics of the downhole ...
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WO/2020/260717A1 |
An apparatus is proposed for applying and removing protective caps (1) to and from the ends of elongate members (6). The protective cap (1) has a hard base portion (5) and a cover portion (2) of flexible, resilient material, extending fr...
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WO/2020/263853A1 |
An improved swivel with increased sealing capability at fluid pressures up to 20 ksi and at fluid temperatures as high as 250°F and as low as 35°F. The swivel may be relatively compact, being less than 8 feet in overall length and can ...
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WO/2020/263272A1 |
A disconnect tool can be part of a production string in a wellbore. The disconnect tool can include a disconnect sub and a disconnect receptacle. The disconnect sub can be inserted into the disconnect receptacle such that the disconnect ...
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WO/2020/264113A1 |
A circulation sub and method of operating a circulation sub. The circulation sub includes a support member having a longitudinal axis and a piston movable along the longitudinal axis of the support member. A release member secures the pi...
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WO/2020/263363A1 |
A threaded connection for drilling tubulars includes a tubular box section having a sidewall. The box section has a tapered box portion of an inner surface of the sidewall between a first end and a second end. The tapered box portion has...
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WO/2020/254926A1 |
Pipe coupling: a male portion (13) provided with a series of spaced keys (15); a female portion (14) provided with a series of spaced keyways (16) so the keys are a sliding fit; a fastener including a male portion fitting (17) secured to...
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WO/2020/256538A1 |
A tubular drive assembly is described, comprising two or more polygonal tubes one inside the other. While being rotational loaded, to at least one direction, the tubular drive assembly delivers torque to the said direction, maintains str...
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WO/2020/254349A1 |
A tubular connection includes either or both of a pin or a box. The pin includes an external male threaded zone having external male threads disposed on a portion of the pin, and the box includes an internal female threaded zone having i...
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WO/2020/256859A1 |
A non-metallic centralizer for use with downhole operations. The centralizer is formed of a hollow, cylindrical body, a plurality of non-metallic blades protruding from the outer surface of the cylindrical body, and a plurality of wear b...
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WO/2020/249028A1 |
A double-flow-channel fluid injection apparatus, comprising a main shaft (1), a bearing housing (2), and a seal box (3). The main shaft (1) comprises an outer tube (10) and an inner tube (11). An internal hole channel of the inner tube (...
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WO/2020/251991A1 |
A drilling system and method of drilling a wellbore. The drilling system includes a tubing, an orientation device affixed to the tubing, a drilling sub having a housing having a first section and a second section, wherein the first secti...
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WO/2020/249611A1 |
The present invention relates to a guide adapter (100) for guiding a drill bit during percusion drilling, said guide adapter is intended to be arranged between the drill bit and an elongated drill string extending along an axis A, said d...
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WO/2020/251578A1 |
A downhole treatment system, apparatus, and methods are disclosed. In some embodiments a treatment apparatus includes a first conduit configured to transport a first fluid from a first fluid source through a first enclosed channel to a f...
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WO/2020/251560A1 |
Dynamic pressure wave propagation can be used in pipelines to provide information about the available, unobstructed diameter and any partial or complete blockages in the pipeline. Based on this information, a system can automatically det...
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WO/2020/244665A1 |
Disclosed is a rotary steering well-drilling tool based on a bit pressure steering transmission structure, belonging to the technical field of well-drilling devices. The rotary steering drill tool comprises a bit pressure steering transm...
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WO/2020/244671A1 |
Disclosed is a hybrid rotary steerable drilling system capable of easily deflecting, comprising a front bearing main body (1), a weight on bit and torque deflection transfer pup joint (2) and a deflection control system (3), wherein the ...
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WO/2020/247923A1 |
A threaded pipe connection includes a first tubular member having a pin end defining external threads, a second tubular member having a box end defining internal threads threadably engageable with the external threads of the pin end, and...
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WO/2020/244303A1 |
A porous medium artificial borehole wall for preventing mudstone layer mud from being produced or channelled. The artificial borehole wall is a tubular cavity structure that as a whole has the same shape as a shaft; the outer side of the...
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WO/2020/245412A1 |
The invention relates to an improved filament-reinforced tubular, and a method for providing such a tubular. A filament-reinforced tubular according to the invention comprises a tubular body (2), the tubular body comprising multiple fibr...
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WO/2020/246959A1 |
A pump down intervention tool may be pumped downhole through a work string after an installation of the work string. The pump down intervention tool may include a downhole tool that includes but is not limited to an agitator tool, includ...
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WO/2020/245426A1 |
The first aspect of the present invention relates to an offshore drilling system and a method for performing subsea wellbore related activities involving a riser extending between the vessel and a subsea wellbore. The offshore drilling s...
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WO/2020/244629A1 |
A rotary guide device, which comprises a rotary guide sub (1) and at least one set of universal drill pressure transfer subs (2). The rotary guide sub (1) at least comprises a mandrel (11), a guide sleeve (12), and a deflection control a...
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WO/2020/243351A1 |
A casing for a drilling operation has a body portion having a length, a first end and a second end, an outer diameter, an inner diameter, and a central axis that is common to the outer diameter and the inner diameter, and an external thr...
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WO/2020/242685A1 |
A trailer assembly for carrying coiled tubing includes a main beam assembly extending from a forward end of the trailer assembly to a rear end of the trailer assembly. The main beam assembly includes a forward portion that extends from t...
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