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Patent Searching and Data


Matches 351 - 400 out of 8,113

Document Document Title
WO/2022/204402A1
Implementations described and claimed herein provide systems and methods for increasing accuracy of firing perforating charges in an oil well casing. In one implementation, a body of an orientation device has a first portion and a second...  
WO/2022/204306A1
A casing (100) may have a. tubular body (101) formed by a wall (105) extending axially from a first end (102) to a second end (103), the tubular body (101) having a bore (104) therein throughout. The wall (105) may radially extend from a...  
WO/2022/201028A1
A centralizer for use in a wellbore includes a body for disposing around a periphery of a downhole tubular. The body has a plurality of bow springs biased toward an expanded position and a pair of end rings connecting the bow springs. Th...  
WO/2022/203516A1
A riser damp for supporting fluid pipes in parallel with and spaced from an external surface of a tubular riser, the riser damp comprising a body portions which forms a generally circular or part circular damp body which encircles a damp...  
WO/2022/197745A1
Techniques are provided for signal transfer. An apparatus comprises a first tubular structure comprising a first interface with a first plurality of threads, and a second tubular structure comprising a second interface with a second plur...  
WO/2022/197208A1
The invention relates to devices for fastening and protecting power cables. The technical result of the invention is that of reducing the external dimensions of a protective liner and increasing the ability of the arrangement to fit into...  
WO/2022/194591A1
The invention relates to a cable swivel for connecting a cable or a retainer to a component, more particularly a kelly bar, which is rotatable relative to the cable or relative to the retainer, the cable swivel comprising a stationary fi...  
WO/2022/195297A1
A centraliser (10) for use in centralising tubing (12) in a bore (W) comprises a first end collar (14), a second end collar (16) and a number of elongate strut members (18). The strut members (18) are interposed between the first end col...  
WO/2022/197189A1
1. A method for pulling a casing, comprising the steps of: - assembling a toolstring of - a drill pipe string, - a through bore cutter tool (20), - a swivel (30) below the cutter tool (20), - a swab cup wash tool (40), - a perforation gu...  
WO/2022/193802A1
Disclosed is a wellbore for pure gas extraction. The wellbore is used for extracting the gas contained in all coalbeds of a coalbed group simultaneously to produce coalbed gas. The wellbore comprises a wellbore cover plate (3), a wellbor...  
WO/2022/189586A1
The invention relates to a downhole assembly to mitigate high frequency torsional oscillation, in particular the high frequency torsional oscillation which can occur in a drilling operation for geothermal energy or for oil and gas. The d...  
WO/2022/192919A1
Downhole tools with propulsion units are described herein. Perforation assemblies described herein have a perforation tool and a propulsion unit coupled to the perforation tool, the propulsion unit comprising an impeller and a protective...  
WO/2022/192542A1
An apparatus for retaining a transmission line within a drill string component is disclosed. In one embodiment, such an apparatus includes a drill string component comprising a bore having an internal diameter. A slot is formed in the in...  
WO/2022/192710A1
A logging system for a tubular (116) includes: a rail system (200) comprising a plurality of rails and mounted to a surface of the tubular; a logging tool carrier (300) connected to the rail system; and a logging tool (302) disposed on t...  
WO/2022/192669A1
Systems and methods are provided to facilitate connection of multiple stage completions. A first completion stage is deployed at a wellbore location. Subsequently, the next completion stage is moved downhole into engagement with the firs...  
WO/2022/192130A1
A wellbore assembly includes a first tube and a second tube. The first tube is disposed within a wellbore and has a first end fixed with respect to a wall of the wellbore. The second tube is coupled to a second end of the first tube. The...  
WO/2022/188935A1
An offshore connector system (fig. 3B) for installing a flexible member to an offshore structure comprising a guide channel, wherein the connector system comprises a female connector (1) and a male connector (8); and a female connector (...  
WO/2022/192707A1
An external filter assembly is shown having a slotted filter section, including an optional upper collar attached below the mounting member, and lower collar attached below the bottom cap of a lower filter element, where each collar incl...  
WO/2022/186874A1
The present disclosure relates, according to some embodiments, to a shear pin including a cylindrical shape positioned along a vertical axis having a first end having a common diameter with a second end; the first end and containing a fi...  
WO/2022/183238A1
There is disclosed a cutting tool handling assembly (10) including a scissor linkage (12) having a lifting end (14) and a cutting tool end (16). The cutting tool handling assembly (10) further includes a tool gripping assembly (26) locat...  
WO/2022/184732A1
According to some embodiments, a bulkhead and a tandem seal adapter is presented. The bulkhead may include a fixed body having a fixed body surface and a cover surrounding a portion of the fixed body. A seal element may be provided on th...  
WO/2022/186822A1
A dual clutch travel joint system includes an inner-mandrel and an outer-mandrel. The inner-mandrel includes a first connector on a downhole portion of the inner-mandrel and a second connector on an uphole portion of the inner-mandrel. T...  
WO/2022/187309A1
A rotary steerable system including a steering section having not more than one piston or not more than two pistons in a transverse cross-sectional plane of the steering section. The steering section includes two distribution flow passag...  
WO/2022/184991A1
The invention relates to a tubular threaded element (2, 20, 30) comprising at least one thread (5, 25), a distal end (8, 28), a body (4), and a segment (11, 21, 31) extending from the body (4) to the distal end (8, 28), the segment (11, ...  
WO/2022/187335A1
A rotary steerable system including a steering section having at least one piston, at least one distribution flow passage extending from a valve to one of the pistons, and two main flow passages bypassing the pistons. At least a portion ...  
WO/2022/187321A1
A rotary steerable system including a steering section having at least one piston configured to extend a stroke length radially outward from a default position when activated. A ratio of the stroke length to a steering section diameter i...  
WO/2022/187151A1
A wellbore assembly includes a wellbore string configured to be disposed within a wellbore. The wellbore assembly also includes a float collar coupled to a downhole end of the wellbore string. The float collar includes a housing, a check...  
WO/2022/184993A1
The invention relates to a tubular element (2; 20, 30, 40, 50) comprising a body (4, 34), the body (4, 34) having a first surface (12, 32) on which a thread (5; 7; 35; 37) is formed and a second surface (13; 33) radially opposite the fir...  
WO/2022/184992A1
The invention relates to a tubular element (2, 20, 30, 40) comprising a body (4), the body having a first surface (3, 43) on which a thread (5, 45) is formed, a second surface (7, 47) radially opposite the first surface (3, 43), and a se...  
WO/2022/182370A1
In one or more examples, a method comprises advancing a tubing string along a primary wellbore toward a junction having a low-side exit to a secondary wellbore, with a guide sub positioned at a leading end of the tubing string. The guide...  
WO/2022/182886A1
An apparatus comprises at least one energy storage system, at least one switchgear assembly configured to be attached to a utility electrical line, the at least one switchgear assembly connected to the at least one energy storage system,...  
WO/2022/182399A1
A system can be used for drilling a wellbore. The system can include a steering collar, an actuation cylinder, and a radial seal. The steering collar can be positioned on a drilling tool for forming a wellbore. The actuation cylinder can...  
WO/2022/182879A1
A method of deploying a flexible cable in a wellbore includes carrying, by a tubular assembly, a cable spool cartridge into the wellbore. The cable spool cartridge is attached to an exterior of the tubular assembly and contains the flexi...  
WO/2022/180225A2
A coupling for connecting downhole tubulars, comprising a tubular body; a female coupling part; a male coupling part; 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...  
WO/2022/180392A1
A torque reduction assembly for a drill string is provided. The torque reduction assembly comprises: a mandrel for connecting two sections of drill pipe, the mandrel comprising a first annular shoulder and a plurality of radial retention...  
WO/2022/179569A1
A flexible steering drilling tool, comprising a flexible drive drill string (200) and a steering short section (100); the flexible drive drill string comprises a plurality of bearing short sections (210) connected in sequence from top to...  
WO/2022/178584A1
A measurement tool for use in pneumatic percussion drilling comprises a body comprising one or more measuring instruments positioned in a drill string above a pneumatically operated hammer of the drill string.  
WO/2022/178583A1
A drill rod comprises a body comprising one or more fluid supply channels, a fluid return channel and one or more compartments.  
WO/2022/178585A1
A drill rod for transferring torque comprises a casing for connection in a drill string. The casing is coupled to an internal body by a torque transferring mechanism at each end of the casing such that torque applied to an end of the dri...  
WO/2022/174282A1
A milling tool for cutting an inner casing string of a wellbore, the milling tool comprising a tool body, an extendable cut-out blade located in the tool body and configured to cut the inner casing string to form a starter window, and an...  
WO/2022/175378A1
A rock drill component to form part of a drilling assembly, the rock drill component comprising: a main body; a hexagonal shank provided at one end of the rock drill component; a radially projecting shoulder positioned axially between th...  
WO/2022/175376A1
A shank adapter to form part of a drilling assembly, the shank adapter comprising: a main body extending axially between a first end and a second end; a male spigot portion provided at the second end having an externally threaded section...  
WO/2022/173453A1
Systems and methods of the present disclosure relate to securing downhole conduits. A system comprises a first conduit comprising teeth extending along a circumference of the first conduit; a second conduit comprising apertures, the firs...  
WO/2022/170414A1
A downhole regulating device used in a downhole drill string between a drilling rig and a drill bit. The downhole regulating device has a helical coupling between the upper and lower portion to allow a relative axial and rotational movem...  
WO/2022/167344A1
A system is provided, including a remotely operated machine (14) having: • a coiled rod (2) with a probe (3) to be penetrated into subsurface by uncoiling the rod; • a tracking unit (18) determining a position of the machine; and adj...  
WO/2022/167612A1
A tubing segment is provided for construction of tubing for transporting a fluid, and a tubing connector, tubing for carrying a fluid, the tubing comprising a plurality of tubing segments, a production or injection installation comprisin...  
WO/2022/164588A1
An operating tool (50) for an artificial lift system (20) includes a housing (52) having a key slot (60). The operating tool further includes at least one biasing member (56) disposed in the housing. The operating tool further includes a...  
WO/2022/159117A1
An electric submersible pump (ESP) power cable. The ESP power cable comprises a first plurality of electric conductors encased in a first protective armor wherein a first void area is defined between the first plurality of electric condu...  
WO/2022/157650A1
Attachment system (1) for detachably coupling a female tube end (4) and a male tube end (5) to each other to form foundation piles, comprising: - corresponding cylindrical sleeve holes (8, 9) in tube sleeves of the tube ends (4, 5); - a ...  
WO/2022/153129A1
A hole support tube (100) for use in an industrial drilling operation has an elongated body (105) sized, shaped, and adapted to fit within a geological hole. The body (105) has a wall (107) extending from a first end (125) of the body to...  

Matches 351 - 400 out of 8,113