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Patent Searching and Data


Matches 601 - 650 out of 9,203

Document Document Title
WO/2017/074376A1
A well system having primary and secondary wellbores wherein a completion sleeve is positioned in the primary wellbore and defines a window aligned with a primary wellbore casing exit and upper and lower couplings defined on opposing axi...  
WO/2017/070502A1
A centralizer having a first self-locking mechanism including a spring that is able to passively, (using only the tension in the spring), grip onto a pipe section once positioned. The spring mechanism restricts axial movement of the cent...  
WO/2017/069774A1
Casing string assemblies with a composite pre-milled window used in oil wells, as well as methods for producing them, are disclosed. The composite pre-milled window provides mechanical protection but is easily drillable or millable witho...  
WO/2017/069981A1
A sealing element is flanked by wedge-shaped extrusion ring assemblies. The rings climb a ramp on an adjacent pedestal ring on the way out to the borehole wall. Depending on the dimension of the gap to be spanned the extrusion rings slid...  
WO/2017/069030A1
Provided is a threaded fitting for steel pipes, which is capable of improving sealing performance. This threaded fitting (1) for steel pipes is configured from a pin (10) and a box (20). The outer diameter of the box (20) is smaller than...  
WO/2017/069730A1
A catch assembly is provided for a downhole motor assembly of a drilling system. The catch assembly may include a catch basket that may be coupled to a saver sub. The saver sub may be coupled to a stator tube housing a rotor of a downhol...  
WO/2017/068498A1
A method for making a wired drill pipe joint (10) includes forming an electrically conductive material (18) into a structure that is radially expandable to conform to an interior of the pipe joint (10) substantially without plastic defor...  
WO/2017/070105A1
A method can include deploying a plugging device into a well, the plugging device including a body, and an outer material enveloping the body and having a greater flexibility than a material of the body, and conveying the plugging device...  
WO/2017/068324A1
A method of forming a buoyancy providing component, the method comprising locating a plurality of macrospheres in a mould, providing a composition including DCPD (dicyclo pentadiene) resin, a ruthenium or osmium catalyst, and a plurality...  
WO/2017/066173A1
A fiber optic cable system wherein one or more elongate metal strips extend parallel to each other in a longitudinal direction and at least one fiber optic cable is disposed adjacent to each of the one or more elongate metal strips. The ...  
WO/2017/066170A1
A hydraulic tubing system wherein one or more elongate metal strips extend parallel to each other in a longitudinal direction and at least one hydraulic tubing line is disposed adjacent to the one or more elongate metal strips. The at le...  
WO/2017/066673A1
An integrated casing joint, casing assembly, and method is disclosed. The integrated casing includes a tubular portion and a pair of tubular joint ends. The pair of tubular joint ends are positionable at opposite ends of the tubular port...  
WO/2017/065724A1
A directional drilling system includes a rotary steerable tool. The rotary steerable tool includes an extendable member configured to extend outwardly from the rotary steerable tool upon actuation, and a geolocation electronics device co...  
WO/2017/065741A1
An actuation apparatus includes a housing comprising a housing bore extending through the housing, an adjustment shaft comprising an adjustment shaft bore extending through the adjustment shaft, the adjustment shaft positioned at least p...  
WO/2017/065752A1
Actuatable valve tool including a tubular housing forming an axial flowbore. A slidable flow tube disposed within the housing and a shear sleeve disposed around at least a portion of the slidable flow tube. One or more valves disposed wi...  
WO/2017/066162A1
A pressure actuated module associated with a subterranean tool is set with pressure in the well annulus supplemented by added pressure. The addition of pressure to the hydrostatic opens access to a setting piston that is referenced to a ...  
WO/2017/065775A1
A clamping assembly may include a split-ring device and bearing for coupling to a driveshaft. The split-ring device may comprise split-ring shells having protrusions on an interior radial surface for positioning in grooves adjacent to ra...  
WO/2017/065961A1
A drilling riser system for connecting a drilling rig with a wellhead located at the sea floor is disclosed. The system includes a plurality of elongated riser sections connected end to end and an electrical transmission line extending a...  
WO/2017/063692A1
The invention relates to an extendable apparatus, in particular an extendable apparatus for a drill head. The invention further relates to a drill head comprising an extendable apparatus, and a method of operating a drill head. The exten...  
WO/2017/066080A1
A technique facilitates joining of components without subsequent heat treatments. The components are joined by using a friction stir process which establishes a desired friction stir region at an appropriate location to securely join the...  
WO/2017/065720A1
An auto-shut-in valve in a chemical injection valve is described for operation at a downhole location in a wellbore. The chemical injection valve includes a closure member that is maintained in an open position by fluid pressure in a che...  
WO/2017/065907A1
A check valve has a valve member flexibly attached to a seat with resilient members that fold in response to flow above a predetermined value to shut the valve. The flexibly extending members store potential energy that is released to se...  
WO/2017/065723A1
A directional drilling system includes a housing and a motor positioned within the housing and operably coupled to a drill bit to rotate the drill bit. The system further includes a primary pad assembly comprising a primary pad and a pri...  
WO/2017/062329A1
A method of monitoring a coiled tubing operation includes positioning a bottom hole assembly (BHA) connected to a coiled tubing string within a horizontal wellbore. The method includes monitoring a plurality of sensors connected to the B...  
WO/2017/062396A1
A shock mitigation device (100) comprising: a first end (130), a second end (140), and an inner tubular (150), wherein the inner tubular defines an internal cavity (110). In certain embodiments the present disclosure relates to shock mit...  
WO/2017/061896A1
The invention relates to the field of oil and gas production and can be used for protecting a pump power cable from mechanical damage. The technical result is more reliable fastening of a protector on the neck of a pump, and a more unive...  
WO/2017/060291A1
A method of landing an apparatus onto a shaft, the method comprising: providing an attachment means attached to and protruding from the shaft at a pre-determined location on the shaft; suspending the apparatus from a topside vessel, such...  
WO/2017/062074A1
In one aspect, a system for estimating fatigue damage in a riser string is provided. The system includes a plurality of accelerometers which can be deployed along a riser string and a communications link to transmit accelerometer data fr...  
WO/2017/062118A1
An intelligent dart or ball or other shape is dropped or pumped into a borehole that has multiple valves for access to the formation through which fractures are initiated. The intelligent object engages with the valves as it passes with ...  
WO/2017/058171A1
An erosion protection system for closing sleeve assemblies is disclosed. A closing sleeve assembly including a housing; a port formed in the housing; a sealing surface formed in the housing adjacent to the port; a closing sleeve configur...  
WO/2017/058230A1
A communicative coupler for a tubular member including a hub having a longitudinal hub axis and a chamber disposed therein, a coil disposed in the hub for electromagnetically communicating with a coil of the tubular member, a shaft havin...  
WO/2017/058173A1
A closing sleeve assembly with a ported sleeve is disclosed. The closing sleeve assembly includes a housing; a port formed in the housing; a sealing surface formed in the housing adjacent to the port; and a closing sleeve configured to m...  
WO/2017/054046A1
A method of monitoring earth composition surrounding a drill bit (6) mounted on a drill-shaft (5) during drilling of a borehole. The method include monitoring the electrical resistance through the earth between an earth contacting down-h...  
WO/2017/058190A1
A downhole tool includes a tool body comprising an inner housing and an outer housing to form an annulus between the inner housing and the outer housing and a primary piston positioned within the annulus to form a primary cavity within t...  
WO/2017/053151A1
An apparatus for cutting and/or milling of tubulars in a wellbore, especially using coiled tubing. An elongated main body has a longitudinal bore, with a piston slidably positioned in the bore. The piston is connected to one or more oper...  
WO/2017/049334A1
A centraliser apparatus for use in centralising a downhole tubular within an aperture, the centralising apparatus comprising a cylindrical body portion having an inner surface and an outer annulus surface, the inner surface being arrange...  
WO/2017/052787A1
Apparatus and methods are described for a side looking NMR tool for downhole geophysical analysis wherein a unique static field shape is provided by two magnets magnetized in two different directions. The tilted configuration of magnets ...  
WO/2017/049999A1
Disclosed is a torque release mechanism (3) and an oil pumping device having the mechanism, relating to the technical field of oilfield oil extraction devices. A first connection member (31) of the torque release mechanism (3) is sleeve-...  
WO/2017/052511A1
A downhole well device for positioning within a well having a fluid, comprising an outer casing comprising a port, an inner casing at least partially located within the outer casing, seals between the inner casing and the outer casing, a...  
WO/2017/048305A1
A downhole tool having a mandrel with one or more sets of threads; a fingered member disposed around the mandrel; a first conical shaped member also disposed around the mandrel; and an insert positioned between the fingered member and th...  
WO/2017/048422A1
The present disclosure generally relates to a riser system for coupling a surface platform to a wellhead and, in an embodiment described herein, more particularly provides a riser flange for coupling adjacent riser sections. A main tube ...  
WO/2017/048265A1
Wellbore systems containing a hydraulically regulated primary safety valve may have their hydraulic regulation transferred to an insert safety valve disposed in a nipple. Such wellbore systems may comprise: a tubing string comprising a n...  
WO/2017/048508A1
A system for mounting electronics is disclosed. The system may include a tool and a chassis having a mounting surface. The system may also include an electronics assembly coupled to the chassis. A low modulus spacer may be coupled to the...  
WO/2017/046336A1
Bend restrictor (1) for preventing an elongated member (10) from reaching a bending radius less than the allowable bending radius of the elongated member (10), wherein a connecting arrangement (12, 30) is positioned at an end portion of ...  
WO/2017/048247A1
Methods and apparatus are disclosed for coupling components within a downhole motor drivetrain, and particularly to improving the torque carrying characteristics through threaded couplings in the drivetrain that extends between the mud m...  
WO/2017/046564A1
A riser assembly and method of installing a riser assembly are disclosed. The riser assembly includes a first attachment element connected to a first portion of flexible pipe and a second attachment element connected to a second portion ...  
WO/2017/046336A8
Bend restrictor (1) for preventing an elongated member (10) from reaching a bending radius less than the allowable bending radius of the elongated member (10), wherein a connecting arrangement (12, 30) is positioned at an end portion of ...  
WO/2017/048231A1
An apparatus includes a housing. The apparatus includes a first end and a second end. The apparatus includes a first wedge having a first groove. The first wedge is contained in the housing. The apparatus includes a second wedge having a...  
WO/2017/049077A1
An expandable tubular is provided with a shoe releasably coupled to its lower end. The shoe comprises an uphole facing, fixed diameter, cutting edge with milling elements affixed thereon. A portion of the tubular is expanded in a wellbor...  
WO/2017/046449A1
A drilling device for drilling a hole in the ground and/or rock and having in its drilling head a plurality of drilling wing bits (2) arranged at equal distribution with their mutual position being adjustable such that said wing bits (2)...  

Matches 601 - 650 out of 9,203