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WO/2020/190347A1 |
A device for coating an interior surface of a housing defining a volume comprising a plurality of reactant gas sources including reactant gases for one or more surface coating processes; first and second closures to sealingly engage with...
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WO/2020/188057A1 |
A downhole apparatus (10; 10') for reducing rotational and linear friction between a downhole tool (100; 100') and/or a downhole tool string and the wall of a wellbore (B) includes an annular body portion (12;12') configured for location...
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WO/2020/190348A1 |
A method of coating an interior surface of a housing defining a volume includes partitioning the volume into a first zone and a second zone, the first zone isolated from fluid communication with the second zone; introducing one or more r...
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WO/2020/186004A1 |
A coupler (118) for a drill rod (116) includes a body defining an inner bore (204) extending along a longitudinal axis (208), at least a portion of the inner bore defining a non-circular profile having a plurality of flats (228) includin...
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WO/2020/183860A1 |
Provided is a threaded joint with excellent compression resistance and sealing properties. The threaded joint (1) is configured such that: by way of a threaded connection of a tapered screw (4), a male thread portion (4a) contacts a fema...
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WO/2020/185607A1 |
A system can include a disconnect tool connected as part of a tubular string, the disconnect tool including an outer housing, and an inner mandrel in the outer housing, in which an abrasive slurry is directed to flow through the tubular ...
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WO/2020/180201A2 |
The invention refers to a downhole piston pump for the exploitation of the oil, used in the extraction of hydrocarbons from the productive layers of the oil wells by sucker rods. The pump according to the invention consists of a drive he...
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WO/2020/180926A1 |
A system has a fin with an upstream end, a downstream end, a wall interface (412), a carrier interface (414) offset from the wall interface (412) in a radially inward direction, and an impact surface (418). The impact surface extends bet...
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WO/2020/180530A1 |
Embodiments provide a method for centralizing a coiled tubing in a wellbore. The method includes the step of supplying a roller set to a roller set assembly system located at a surface. The roller set includes a first half and a second h...
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WO/2020/180306A1 |
Systems, methods, and computer-readable media for an integrated and comprehensive hydraulic, environmental, and mechanical tubular design analysis workflow and simulator for complex well trajectories. An example method can include obtain...
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WO/2020/180687A1 |
A method comprises rotating a drill bit of a drilling system at at least 1000 rpm. The drill system can comprise a drill feed, a drill head comprising a motor and coupled to the drill feed, a drill string, comprising at least one drill r...
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WO/2020/180856A1 |
A hanger system for a well includes a pipe spool (220) and a tubing hanger (240) removably coupled to the pipe spool. The pipe spool includes a spool housing (222) defining a cylindrical spool bore (224) extending longitudinally through ...
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WO/2020/176272A2 |
A coated pipe to transmit produced fluids in a system configured to recover hydrocarbons from a subterranean formation may include a pipe component configured to transmit the produced fluids and having an internal surface defining an inn...
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WO/2020/169265A1 |
The invention relates to a tubular, triaxially braided fiber preform having at least one layer of reinforcing fibers, the layer of reinforcing fibers comprising filler threads or vertical threads (12, 14) which extend in the longitudinal...
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WO/2020/172497A1 |
A riser (20) extending from a floating rig (12) includes one or more flow control devices (30, 32, 34) having at least one flow connection (90a) and having at least one control connection (90b). A riser manifold (100a) is disposed on the...
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WO/2020/172033A1 |
Embodiments relate generally to preventing wear to a nominal thickness of a wall of a drill pipe during a downhole operation. A drill pipe may include a first tool joint; a second tool joint; and a tubular section between the first tool ...
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WO/2020/172005A1 |
A method of joining a steel first member to a stainless steel second member includes buttering a first joint surface on the first member, the buttering including: preheating the first joint surface; welding a border layer of weld materia...
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WO/2020/169266A1 |
The invention relates to a tubular fiber preform having at least one layer of reinforcing fibers that is formed as a triaxial braid (12). In at least one circumferential portion (I) of the fiber preform (10) an additional, locally limite...
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WO/2020/169267A1 |
The invention relates to an arrangement and a method for transferring data from or into a hole in the ground, a processing device or a structural element being arranged in the hole, which processing device or structural element is formed...
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WO/2020/168618A1 |
A connecting structure for a drill collar of a measurement-while-drilling instrument, and male and female connectors for a drill collar sub. The connecting structure for a drill collar of a measurement-while-drilling instrument comprises...
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WO/2020/171717A1 |
A connection device comprising a first connection body (1) and a second connection body (20) movable with respect to the first connection body (1), the connection device configured for connecting a plurality of control lines terminating ...
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WO/2020/172000A1 |
A caliper-arm-retention mechanism for a caliper tool is disclosed. The retention mechanism includes a selectively movable retention sleeve and a pivot arm that cooperate to constrain relative translational motion between the pivot arm an...
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WO/2020/172503A1 |
A riser extending from a floating rig has a riser manifold. A rig manifold can be manipulated by an arm to couple in an automated manner to the riser manifold when running the riser from the rig. The riser and rig manifolds have mechanic...
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WO/2020/172024A1 |
The disclosure relates to a method of conducting a coiled tubing operation. In one implementation, a method includes forming a tubing string, the tubing string having an outer surface, The method also includes applying a coating to an ap...
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WO/2020/167297A1 |
Wellbore cement compositions can be managed based on material characteristics determined from a cement sample. For example, a cement sample can be retrieved from a wellbore. The cement sample can be analyzed using a plurality of sensors ...
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WO/2020/167521A1 |
An artificial lift system including a tubular extending into a wellbore. The tubular includes a first end arranged at a surface of a formation, a second end terminating in the wellbore, and an intermediate portion. The intermediate porti...
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WO/2020/167413A1 |
A sucker rod can include a base metal, a corrosion resistant layer on the base metal, and an abrasion resistant layer external to the corrosion resistant layer, the abrasion resistant layer comprising a phenolic material. Another sucker ...
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WO/2020/163491A1 |
A bottom hole assembly (28) includes a well logging tool (56) including a plurality of sensors (58), a vibrator tool (34) coupled to the well logging tool for inserting the well logging tool into a wellbore (14), and a spoolable composit...
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WO/2020/161542A1 |
An internally threaded bit for percussion drilling is provided, which has thread roots wider than the thread crests. The bit exhibits a reduced rate of ringing off, and can accept drill rods having a range of crest widths.
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WO/2020/163870A1 |
An acoustic isolation device (100) includes a sleeve (100) having a length, central axis along the length, a first end and a second end and an interior between the first end and second end, the sleeve (101) further comprising at least on...
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WO/2020/163272A1 |
A wellbore radial positioning apparatus includes a tool body and a motor that actuates a traction wheel. The tool body is configured to be positioned within a wellbore. The motor driving the traction wheel is connected to the tool body a...
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WO/2020/162986A1 |
A joint pipe element (322) for transporting a fluid in a well includes an outer pipe (340) having first threads (344) at a first end (340A); an inner pipe (330) having first threads (334) at a first end (330A), the inner pipe (330) being...
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WO/2020/162758A1 |
An apparatus comprising: a sleeve defining a bore, wherein a first end portion of the sleeve has a bending stiffness which is larger than the bending stiffness of a second end portion of the sleeve, wherein the bore receives in use an el...
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WO/2020/160018A1 |
A drilling assembly includes a power section with a housing that rotates in a first direction at a drill string rotation rate. An output rotates a drill bit through a transmission shaft in the first direction at a rotor rotation rate rel...
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WO/2020/157162A1 |
A percussion drill bit (1) with radial support means for guiding of the drill bit (1) within a bore of a formation. The drill bit (1) comprises a head (2) and a shaft (3) extending from the head (2) rearwards along a longitudinal axis (4...
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WO/2020/154793A1 |
A wear band assembly for a pipe string operating inside a casing string includes a fixed cylindrical wear band made from a non-metallic, abrasion-resistant, low-friction material injection-moulded onto a pipe joint or sub incorporated in...
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WO/2020/157163A1 |
A guide adapter (1) for connection between a drill bit and a drill string or rod, said guide adapter (1) comprising an elongate shaft (2) extending along a longitudinal axis (3) of the guide adapter (1), wherein a front portion of the sh...
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WO/2020/156661A1 |
A bend limiter comprising a plurality of collars arranged in a series and a plurality of couplers, 5 wherein each collar neighbours two other collars in the series and is coupled to a first one of those collars by a first one of the coup...
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WO/2020/153185A1 |
Provided is a drill tool suitable for a high output rock drill. Also provided is a method for producing the same. The drill tool (DT) uses, as the drill tool (DT) material, an alloy steel constituted of the following chemical components:...
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WO/2020/151206A1 |
A flow guide drill pipe, comprising a pipe body (1), the pipe body (1) having disposed therein an air inlet channel (2) and a pressure relief channel (3) along an extension direction of the pipe body (1), the pressure relief channel (3) ...
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WO/2020/154270A1 |
A technique facilitates drilling operations by combining a conductor with a conductor sharing offset shoe system. The conductor sharing offset shoe system protects against collision of boreholes by properly positioning and/or orienting a...
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WO/2020/150776A1 |
A drill string (10) suitable for a reverse circulation drilling system has an up-hole end (104) and a downhole end (102) and a first fluid path (16) and a second fluid path (18) isolated from the first fluid path that run between the up ...
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WO/2020/153982A1 |
Examples describe systems and methods for a tool to remove portions of casing from a wellbore. A tool may include a bottom sub -assembly and casing that selectively detach from a sub-assembly. This may allow for tools and casing within t...
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WO/2020/145936A1 |
Methods and systems are directed to the uniform distribution of a fluid through an annulus between a pipe and a wellbore wall, primarily when there is a preferential flow in one side of the annulus relative to another side of the annulus...
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WO/2020/146564A1 |
A drill rod can include a body having an outer surface, an inner surface, a longitudinal axis aligned with a drilling axis, and at least one longitudinally extending groove extending radially outwardly from the longitudinal axis relative...
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WO/2020/146455A1 |
A bladeless polycrystalline diamond compact (PDC) drill bit includes a head having a plurality of knots protruding from a drilling face of the head. Each of the plurality of knots includes a single cutter. Each of the cutters is arranged...
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WO/2020/142630A1 |
A gas-lift well including a casing extending down a wellbore, production tubing extending within the casing, a gas system for inserting compressed gas into an annular space between the casing and the production tubing, at least one gas-l...
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WO/2020/136378A1 |
A subsea riser is installed by lowering at least one riser conduit to the seabed when piggybacked to an elongate support that comprises at least one flowline. The elongate support may be a pipeline bundle, which may be attached to one or...
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WO/2020/139367A1 |
Certain aspects and features of the disclosure relate to a hydraulic connector for use in a wellbore, for example, with or as part of a disconnect tool. The hydraulic connector can isolate hydraulic fluids in upper and lower hydraulic li...
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WO/2019/232372A9 |
A tubular string having a box end and pin end coupled to one another with a threaded attachment and a coupling assembly. The coupling assembly includes an annular outer thrust ring having an axial end abutting a shoulder on a terminal en...
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