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Patent Searching and Data


Matches 1,401 - 1,450 out of 13,864

Document Document Title
WO/2014/091462A1
A feedback control system for steering a tool along a well-plan. Optimum steering instructions may be generated by a recursive optimization of multiple objectives. These objectives can include accuracy and quality. The quality objective ...  
WO/2014/092724A1
A device (20) for root-rolling a thread (T) on an object (O) includes: a body (21), an accumulator piston (24) mounted for sealed sliding movement within a body passageway (22), a coarse adjustment screw (25) threaded onto the body, a Be...  
WO/2014/086969A2
The present invention relates to an electrical device (10) for well stimulation, said device comprising a plurality of sections (11), said sections being suitable for being assembled, end to end, such as to form a tool (10a) comprising a...  
WO/2014/088770A1
A suction caisson system comprising a caisson body comprising an upper rim, a lower rim, and a weakened section positioned between the upper rim and the lower rim. The system further comprises a caisson cover constructed and arranged to ...  
WO/2014/085935A1
The embodiments described herein generally relate to a method and apparatus for providing a back up system of Directional and Inclination (D&I) information to be gathered and transmitted in addition to primary D&I sensors currently emplo...  
WO/2013/186554A3
This invention relates to an apparatus and method for controlling a part of a downhole assembly (10), and to the downhole assembly. The downhole assembly may include a steering mechanism (14) adapted to steer a drill bit (12) in a chosen...  
WO/2014/085828A1
A tool for making up and breaking out a drill string at an exit side of a bore. The tool includes a fixed vice and a moveable vice for torqueing a pipe joint, a roller assembly for threading and unthreading adjacent sections of pipe, and...  
WO/2014/006204A3
The subject matter of the invention is a device for drilling two galleries facing each other and extending on either side of a pipe (5), which comprises a thrust assembly (10) provided with two mobile thrust plates (11 a, 11 b) for axial...  
WO/2014/081396A1
The present invention provides a structure-supported Jackup system comprising a Jackup drilling unit with a main deck structure and a plurality of legs movably coupled with the main deck structure, two or more support base structures dis...  
WO/2014/081503A1
A stabilizer design for improving the likelihood of recovery of a drill string when obstructions are encountered in a wellbore is disclosed herein. The stabilizer includes a tubular body, a track, and a stabilizer blade. The track is dis...  
WO/2013/131882A3
The invention relates to a method and device for sampling soil. In the method, a frame assembly (110, 120) is attached to a vehicle (184) positioned on a soil surface. A proximate section (130) of a rotatable arm is rotated by an impelli...  
WO/2014/078880A1
The invention relates to a device for drilling anchor holes in underground mining, comprising a frame (1) that forms parallel displacement guides (2) for both a sliding carriage (3) that can be supported on the surface (9) to be drilled ...  
WO/2013/150078A3
The present invention relates to a percussion drill bit (1) for directional drilling tools (10). The drill bit comprises a head portion (2) formed with an axially extending shank (3). The drill bit also comprises engagement means (4) on ...  
WO/2014/081527A1
A down-hole drilling apparatus includes a bearing housing defining a longitudinal axis and upper and lower portions. The upper portion of the bearing housing is configured for connection to a drill string, and at least one annular bearin...  
WO/2014/081397A1
The present invention provides a structure-assisted Jackup system comprising a Jackup drilling unit with a main deck structure and a plurality of legs movably coupled with the main deck structure, one or more support base structures disp...  
WO/2014/080920A1
The present invention provides a drilling tool (1) including: an inner device (4) inserted within a casing pipe (2) in such a way as to be extendable and retractable along the centerline thereof; and a drill bit (5) attached to the dista...  
WO/2014/078028A1
In one aspect, a method of performing a downhole operation is disclosed that in one embodiment may include running a downhole tool including an anchor, a whipstock, a cutting device, and an unlocked fluid-operated motor into a wellbore; ...  
WO/2014/078663A2
There are provided high power laser perforation, hydraulic fracturing systems, tools and methods for the stimulation and recovery of energy sources, such as hydrocarbons, from a formation. These systems, tools and methods provide predete...  
WO/2014/074774A1
A rotary steering apparatus for a drill string (12) in which a bending section (34) induces a bend in a portion of the bottom hole assembly (11) of the drill string by using the rotation of the drive shaft (24) that drives the drill bit ...  
WO/2014/071494A1
A downhole probe is adapted to be supported in drill string sections having different internal diameters with the use of a set of interchangeable centralizers. Each centralizer is dimensioned to snugly receive the downhole probe and to b...  
WO/2014/071520A1
An assembly for use in subsurface drilling includes a downhole probe having an EM telemetry signal generator and electrical contacts for carrying telemetry signals from the EM telemetry signal generator to first and second parts of a gap...  
WO/2014/072381A1
A method for transporting a hydrocarbon fluid, such as crude oil and/or natural gas, comprises: • - drilling a chain of double ended U-shaped boreholes (1A, 1B) into the earth crust (12), such that at least one pair of the boreholes ha...  
WO/2014/066981A1
Methods and systems are described for improved drilling operations through the use of real-time drilling data to predict bit wear, lithology, pore pressure, a rotating friction coefficient, permeability, and cost in real-time and to adju...  
WO/2014/070142A1
A deflector assembly includes two deflectors that can cooperate for directing a bullnose assembly toward an intended bore in a multi-bore well based on a configuration of the bullnose assembly without requiring use of gravitational force...  
WO/2013/113002A3
A method of controlling the environment intermediate a laser head and a targeted portion of a bore wall to remove solid material at the wall includes running an umbilical into the bore to position the head, irradiating the targeted porti...  
WO/2014/070073A1
Boring rig for extraction boring below ground, wherein the boring rig includes: a boring unit (1) having a length direction (L) and two lateral directions (S1,S2), and a boring aggregate (5) being supported by the boring unit (1) said bo...  
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/2013/046028A3
A method, device, and system is described herein for pointing a rotary drill bit (232). A rotary bit pointing device (310) is positioned between a proximal end (450) of a control shaft (402) and a universal joint (330). As the bottom hol...  
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/2014/066609A1
A bearing assembly for use in a down-hole drilling apparatus includes a bearing housing configured for connection to a drill string and a mandrel disposed at least partially within the bearing housing. The mandrel is configured to rotate...  
WO/2014/039395A3
A device is associated with a downhole tool to control the weight that can be set down on the tool while the tool is operating. A shroud is secured to the string that supports the tool with interior modular biasing components that for ru...  
WO/2014/066709A2
A towing string useful for positioning a towed assembly into a horizontal well bore includes a towed assembly coupled to a tractor assembly. The tractor assembly is operable to convert introduced energy into a pulling force that is direc...  
WO/2014/066047A1
A method of drilling a subterranean well from a surface location. The method comprises estimating a target formation depth, estimating a target formation dip angle and calculating a target line that creates a top and bottom of the target...  
WO/2014/063066A1
Embodiments disclosed herein provide a land drilling rig with features for fast assembly and disassembly. The land drilling rig has a sub base with side boxes that have projections that mate with recesses in a center section. The mast is...  
WO/2012/116189A3
There is provided a high power laser system for performing high power laser operations and in particular for performing high power laser operation on, and in, remote and difficult to access locations. An exemplary method includes: delive...  
WO/2014/062920A1
An apparatus for releasing chemical agents in a well bore, comprising: a packaging material; a chemical agent, wherein the chemical agent is contained within the packaging material; and an adhesive, wherein the adhesive is attached to th...  
WO/2014/059090A1
A technique facilitates latching of a tool in a desired alignment within a tubing string. The tubing string comprises a latching section designed to latch the tool in a specific orientation. The latching section comprises a plurality of ...  
WO/2013/040561A4
A system to extend a lateral bore section using laser light comprises a first umbilical (134) connected to a deflection member (50) having a drive gear (77), a lateral exit port and at least one deployable seal (54) intermediate a proxim...  
WO/2014/059098A1
A technique utilizes a Y-block which is coupled with a lateral tubing string and a main tubing string. The Y-block comprises features which facilitate service and/or production operations. In well applications, the Y-block may comprise a...  
WO/2014/059282A2
A method for calculating orientation changes within a borehole using a gyro sensor to detect angular deflection rates in an attitude reference interval as a MWD system is moved from a first to a second location within the borehole. A com...  
WO/2014/058412A1
A system for circumferentially aligning a downhole latch subsystem in a wellbore. The system includes an outer tool assembly including a latch coupling having a latch profile and a slot subassembly having an axially extending slot profil...  
WO/2013/167872A3
A method of drilling a plurality of subsea wellbores and of lining the wellbores with wellbore-lining tubing (5) in a single trip, the said method comprising the steps of: locating a first guide pipe and at least a second guide pipe (8) ...  
WO/2014/054015A1
A mobile drilling rig (1) comprising a mast (3), drilling head (5), for sliding, in use, along said mast (3), and at least one hoist (4). Said drilling head (5) is supported by means of at least two hoisting wire ropes (24). The mast (3)...  
WO/2014/055090A1
A system for detecting fluid influxes and losses can include a sensor which detects floating vessel movement, and a neural network which receives a sensor output, and which outputs a predicted flow rate from a wellbore. A method can incl...  
WO/2013/096361A3
A system (20) for use in a subterranean wellbore (22) includes an earth boring bit (40) on a lower end of a drill string (26), and an inflatable packer system. The packer system includes a pressure activated inlet valve (68) that regulat...  
WO/2013/130750A4
A system for performing exothermic operations or oxygen delivery uses a rod and handle configuration to create a flowpath of oxygen. The rod includes cables having stainless steel fibers that burn using the oxygen within a hollow center ...  
WO/2013/096378A3
A system 20 for a drilling and fracturing a wellbore 22 in a single trip includes a drill string 26, drill bit 40, and a fluid flow means for delivering fluid through the string and drill bit 40. The drill bit 40 includes a body with cut...  
WO/2014/048627A2
In order to avoid disadvantages of known approaches while maintaining monitored and controlled laying of a pipeline (3) in a borehole (1) and in particular to provide a method and a device for laying a pipeline (3) in a borehole (1), in ...  
WO/2013/066276A3
Method of disintegrating rock by melting and by synergism of water streams, comprising action of the heat flow source on the rock, action of the water stream source on the melted rock so that: the heat or energy flow source acts on the r...  
WO/2014/051938A1
A system and methodology facilitates use of a diverter latch assembly in cooperation with a lateral wellbore. The diverter latch assembly comprises an upper latch assembly coupled with a lower latch assembly via a swivel. The upper latch...  

Matches 1,401 - 1,450 out of 13,864