| Document |
Document Title |
|
WO/2014/081305A1 |
A drive module for a borehole or well tractor or runner comprises a drive module housing and a hydraulically actuated and pivoting drive arm comprising an arm housing and a drive wheel arranged thereto, wherein the drive wheel is driven ...
|
|
WO/2014/078344A1 |
An electrical submersible pumping system includes a pump assembly and a motor assembly. The motor assembly includes a plurality of stator coils and each of the plurality of stator coils comprises magnet wire. The magnet wire has an insul...
|
|
WO/2014/074321A1 |
A drilling apparatus includes a housing that defines a longitudinal axis. A power section of the apparatus includes rotor adapted to move with eccentric rotary motion with respect to the longitudinal axis in response to the passage of dr...
|
|
WO/2014/069947A1 |
A punching device using a water pump according to the present invention comprises: a punching base body having a driving portion; a head portion which is guided by a lead installed on the punching base body and is provided with a driving...
|
|
WO/2014/071108A1 |
A turbodrill using a balance drum. The turbodrill may include a housing having an upper end portion that is configured to be coupled to a drill string. The turbodrill may also include a rotatable shaft having a lower end portion configur...
|
|
WO/2014/065797A1 |
A well tool drilling tool can include a torque transfer mechanism with an inner mandrel, an outer housing, and at least one pawl which displaces radially and thereby selectively permits and prevents relative rotation between the inner ma...
|
|
WO/2014/062158A1 |
A drilling motor assembly can include a housing, a shaft, and a pawl which selectively engages a recess, the pawl having an axis of rotation and a generally planar engagement face which engages a generally planar engagement face of the r...
|
|
WO/2014/055060A1 |
A downhole tool assembly is presented for use in a wellbore, the tool having a mandrel assembly for substantially bearing the tensile and rotational loads placed on the tool assembly during run-in to the wellbore, a displacement assembly...
|
|
WO/2014/044290A1 |
Described herein is a turbine-drill bit assembly (600) in which the gap between the turbine and the drill bit is minimised and overall assembly is substantially shorter. The assembly (600) comprises a box connection turbine (610) connect...
|
|
WO/2014/047599A1 |
A motor steering system includes a drill collar, a transmitter circuit having a power transmitting coil, a rotor, and a receiver circuit having a power receiving coil. The transmitter circuit is coupled to the drill collar and the receiv...
|
|
WO/2014/040202A2 |
The invention relates to a pressurised fluid flow system for a down-the-hole hammer drill, including a plurality of working chambers, i.e. one or more auxiliary lifting and driving chambers, as well as two main chambers located at opposi...
|
|
WO/2014/043059A1 |
An electric submersible well pump assembly includes a rotary pump and an electrical motor. The motor has a motor housing filled with a dielectric lubricant. A stator formed of a stack of stator disks with a stator bore is stationarily mo...
|
|
WO/2014/039393A1 |
An apparatus for use in a wellbore may include a stator having a bore and a rotor disposed in the bore. Either or both of the rotor and the stator may include a layer that has an asymmetrical material property profile along at least a po...
|
|
WO/2014/032847A1 |
The invention relates to a boring apparatus for producing a bore within a support tube in the ground. The boring apparatus comprises a housing (12) which is introducible into the support tube and is non-rotatably fixable to the support t...
|
|
WO/2014/035901A2 |
A motor and rotor catch assembly for preventing loss of broken motor parts downhole. The assembly comprises a motor including a rotor supported inside a stator housing. A rotor bolt is connected to the upper end of the rotor, and is supp...
|
|
WO/2014/031092A1 |
Methods and apparatus are presented for a hybrid downhole force generator (DFG) using a stroke amplifier driven by hydrostatic pressure for a low-force, long-stroke portion of setting a downhole tool and a DFG powered shaft for a high-fo...
|
|
WO/2014/028220A1 |
A tool is run in with a bottom hole assembly that includes a seal and support within the tubing where a fish is to be milled. A ported sub allows pressurized fluid pumped from the surface to enter the bottom hole assembly above the seale...
|
|
WO/2014/025965A1 |
A technique facilitates cutting of a conveyance or other member passing through a tubular system, such as a landing string and/or a subsea test tree. The technique utilizes a pair of cutter blades pivotably coupled together at a pivot wh...
|
|
WO/2014/025975A1 |
A releasable connection for coiled tubing drilling apparatus is presented wherein the connection has an outer body configured with an inner volume, a mandrel located at least partially within the outer body and in the inner volume, a plu...
|
|
WO/2014/022737A1 |
A method of cutting a control line mounted on an outer surface of a downhole tubular that includes providing a cutting tool having a main body, and a cutting head on a lower end of the body that rotates with respect to the body. A cuttin...
|
|
WO/2014/022339A1 |
A drill bit is disclosed that in one embodiment includes a pad configured to extend and retract from a surface of the drill bit, a motor, a linearly movable member coupled to the motor, a hydraulic unit configured to apply force on the p...
|
|
WO/2014/022336A1 |
In one aspect, a drill bit is disclosed that in one embodiment includes a pad configured to extend and retract from a surface of the drill bit, a pad on a face of the drill bit configured to extend and retract from the face, and a force ...
|
|
WO/2014/022335A1 |
In one aspect, a drill bit is disclosed that in one embodiment includes a pad configured to extend and retract from a surface of the drill bit, and a force application device configured to extend and retract the pad, wherein the force ap...
|
|
WO/2014/022338A1 |
In one aspect, a drill bit is disclosed that in one embodiment includes a pad configured to extend and retract from a surface of the drill bit and a force application device configured to extend and retract the pad, wherein the force app...
|
|
WO/2014/014599A1 |
Various embodiments of the invention relate to bearing assemblies, apparatuses and motor assemblies that include geometric features configured to impart a selected amount of heat transfer and/or hydrodynamic film formation. In an embodim...
|
|
WO/2014/014442A1 |
A downhole drilling motor (100) for well drilling operations includes a tubular housing (12) and a stator (120) disposed in the tubular housing. The stator (120) defines an internal cavity (134) passing therethrough, wherein the stator (...
|
|
WO/2014/014480A1 |
A slip and cone assembly for a downhole tool that includes a composite slip having a one-piece configuration and having at least two grooves disposed therein; and a cone having a first end configured for engagement with the composite sli...
|
|
WO/2014/011178A1 |
A downhole tool actuation system comprises a control line in fluid communication with a control fluid source, a first piston assembly comprising a first surface in fluid communication with the control line, and a damper piston assembly c...
|
|
WO/2014/004022A1 |
A technique provides an actuation system employed to actuate a tool, such as a downhole tool. The tool is actuated by an actuator element, e.g. a ball, which is selectively releasable from a remote location for interaction with the tool....
|
|
WO/2013/191688A1 |
Multi-functional fluid-driven power generation units, modular power generation units, and drilling systems with a power generation unit are presented herein. A power generation unit for powering one or more downhole tools in a drill stri...
|
|
WO/2013/191838A1 |
A technique facilitates drilling of wellbores or other types of bore holes in a variety of applications. A steerable system or other well tool is designed with a plurality of actuators which are positioned to provide controlled steering ...
|
|
WO/2013/192518A1 |
A supercapacitor device having a housing and at least one supercapacitor cell disposed in the housing, where the supercapacitor cell may include: two working electrode layers separated by an electrode separator wherein each working elect...
|
|
WO/2013/188206A1 |
In one aspect, a drill bit is disclosed that, in one configuration, includes one or more cutters on a surface thereon configured to penetrate into a formation, at least one pad at the surface, an actuation device configured to supply a f...
|
|
WO/2013/186554A2 |
This invention relates to an apparatus and method for controlling a part of a downhole assembly, and to the downhole assembly. The downhole assembly may include a steering mechanism adapted to steer a drill bit in a chosen direction, and...
|
|
WO/2013/184277A2 |
A centralizer system comprising a centralizer disposed about a wellbore tubular, wherein the centralizer comprises, a first body portion, a second body portion, and a plurality of bow springs connecting the first body portion to the seco...
|
|
WO/2013/184276A2 |
A centralizer system comprising a centralizer disposed about a wellbore tubular, wherein the centralizer comprises, a first body portion, a second body portion, a plurality of bow springs connecting the first body portion to the second b...
|
|
WO/2013/184714A2 |
A downhole safety joint (100) for use in a wellbore (74), including an upper tubular member (102) having an upper threaded end (106) and a lower external threaded section (116); a lower tubular member (104) having a lower threaded end (1...
|
|
WO/2013/182922A1 |
The current invention discloses a progressive cavity pump or method of use that comprises a helical shape stator with a first pitch, a helical shaped rotor with a different second pitch wherein the rotor moves eccentrically within the ca...
|
|
WO/2013/174359A1 |
The invention relates to a percussion device comprising a percussion mechanism housing which has a receiving bore in which a percussion piston is mounted such that it is movable along the longitudinal axis, wherein at least one percussio...
|
|
WO/2013/176677A1 |
A control system for drilling a subterranean well can include multiple concurrently running hydraulics models, each of the hydraulics models outputting a pressure setpoint, in real time during a drilling operation. A method of controllin...
|
|
WO/2013/177378A1 |
A moving cavity motor or pump, such as a mud motor, comprising: a rotor, a stator, and one or more apparatus for constraining (i.e., controlling or limiting) the movement of the rotor relative to the stator.
|
|
WO/2013/040578A9 |
A device has a first, lower sub housing, a second, upper sub housing, and an extensible joint connecting the lower sub housing to the upper sub housing. A pressure equalization chamber is attached to the upper sub housing and demarcates ...
|
|
WO/2013/165745A1 |
An adjustable pressure hydrostatic setting module includes a collapsible pressure chamber and a setting chamber. The pressure chamber is precharged at a fluid pressure that is greater than atmospheric pressure and greater than the fluid ...
|
|
WO/2013/163709A1 |
Soil testing equipment by the standard penetration test (SPT) method is described. The process consists in using an automatic hammer for the SPT method and a roto-percussion hammer arranged in a single chassis, together with the insertio...
|
|
WO/2013/159153A1 |
A rotary fluid drive has first and second bodies (20, 120) with the second body (120) rotatable relative to and inside of the first body (20) to define a working fluid space (40) there between. Gates (130) are supported by the first body...
|
|
WO/2013/163565A2 |
A downhole motor includes a bearing assembly having a mandrel rotatable within a cylindrical housing, with the mandrel co-rotatably engaging the rotor of a concentric rotary drive system incorporating an arrangement of housing-mounted ga...
|
|
WO/2013/162377A1 |
A drilling device with a non-rotating drill string (8), is described, the device comprising : - a drill bit (2) connected to the distal end of the drill string (8); - a drilling machine (3) fixed to the drill string (8) and arranged to b...
|
|
WO/2013/158096A1 |
Drill string assemblies, bottom hole assemblies (BHAs), and powertrains for a BHA in a drill string are presented herein. A BHA for use in a drill string to drill boreholes in an earth formation is disclosed. The BHA includes a housing, ...
|
|
WO/2013/151657A1 |
A method of actuating a well tool can include producing a magnetic pattern in the well, thereby transmitting a corresponding magnetic signal to the well tool, and the well tool actuating in response to detection of the magnetic signal. A...
|
|
WO/2013/151477A1 |
The invention concerns an arrangement at a drill for down-the-hole drilling in front of a subsequent lining pipe (58), comprising a drill bit (2) intended to be inserted at its neck (2a) into a chuck in a down-the-hole drill (100), from ...
|
