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Patent Searching and Data


Matches 951 - 1,000 out of 13,831

Document Document Title
WO/2016/080978A1
A method for causing a desired drilling direction of a steerable subterranean drill in consideration of a contemporaneously detected formation tendency force acting on a drill bit of the steerable subterranean drill. The method includes ...  
WO/2016/077914A1
ABSTRACT Described herein is a walker for moving a structure over the ground. The structure to be moved may be an oil and gas rig for instance. The walker includes a pontoon for engaging the ground, a jack with rollers disposed on the po...  
WO/2016/050141A3
A static push-type rotary directional device, comprising: a mandrel (12) having a central through-channel, a circumferential groove (12b) being provided on the outside wall of said mandrel (12); an external sleeve (14) provided in said g...  
WO/2016/078627A1
A production enhancement system using a robot drill for drilling multi-branched fishbone and radial microholes in shale gas reservoirs, comprising a system for a robot drill drawing coiled tubing and drilling multi-branch fishbone horizo...  
WO/2016/076826A1
In accordance with some embodiments of the present disclosure, systems and methods for an advanced toolface control system for a rotary steerable drilling tool is disclosed. The method includes determining a desired toolface of a drillin...  
WO/2015/177122A3
The present invention relates to a downhole string (1) for drilling through a low pressure zone (Zlow) in a formation (45) in a well (3), comprising a drawdown casing (2) having a first end (4) closest to a top (5) of the well and a seco...  
WO/2016/005701A3
The invention relates to a method of drilling a ground along a drilling direction, in which: at least one first and one second drilling tube (40, 42) are provided; an articulated and motorized manipulation arm (12) is provided, equipped ...  
WO/2016/074025A1
A dual circulation fluid hammer drilling system (10) has a fluid hammer (12) which is coupled to a drill string (14). The system (10) utilises a first fluid (16) and a second fluid (18). The first fluid (16) is delivered through the dril...  
WO/2016/076867A1
An example whipstock assembly includes a whipstock providing a ramped surface and a longitudinal groove defined in the ramped surface. A lead mill is coupled to the whipstock with a shear fastener that provides resilience against prematu...  
WO/2016/073236A1
A method and system for directional drilling while conveying a liner, with latching parking capabilities for multiple trips, is disclosed. As the wellbore is drilled, each casing and liner is installed having upper and lower interior lat...  
WO/2015/179504A9
A wireline system for use during drilling operations. The wireline system has a wireline assembly and a roller assembly. Both the wireline assembly and the roller assembly are positioned within a front portion of a drill rig. Described h...  
WO/2016/069596A1
A device in accordance to an embodiment includes a tubular casing joint constructed of a first material with a portion of the first material removed to form a window and an eutectic material closing the window. In accordance with an embo...  
WO/2016/065402A1
A drilling machinery orientation apparatus, comprising an orientation device permanently affixed to, and integral with a structure of, a drilling machine at a point of integration. The orientation device comprises orientation means capab...  
WO/2016/068701A1
The invention relates to an assembly of casing tubes for use during a process of horizontal directional drilling. The invention also relates to a casing tube for use in such an assembly. The invention further relates to a method for coup...  
WO/2016/069305A1
A non-explosive downhole tool for creating openings in tubulars and or earthen formations includes a carrier holding a non-explosive material, such as thermate, a head connected with the carrier and having a port to eject a product of th...  
WO/2016/068719A1
An arrangement for plugging a wellbore (11) in an underground formation (1), in which a non-rotatable tool string (6) extends from a well-plugging module (5) arranged over a wellhead (3) down to a plugging zone (112) in the wellbore (11)...  
WO/2016/065164A1
A ram accelerator device may utilize rails arranged within a guide tube that may be emplaced downhole. The rails may serve to direct a hypervelocity projectile along the length of the guide tube. The rails may carry utilities or provide ...  
WO/2016/064386A1
A bend angle sensing assembly for determining a downhole bend angle of a downhole adjustable bent housing. The bend angle sensing assembly includes a flow diverter having a plurality of diverter apertures for receiving drilling fluid, th...  
WO/2016/064273A1
A land based dynamic sea motion simulating test drilling rig (1) comprising: - a soil bound foundation (2), - a pivot structure (3) secured to said foundation and providing at least one horizontal pivot axis (4), - a motion base (5) moun...  
WO/2015/173049A3
The invention relates to a method for introducing a borehole (1), in particular into the earth's crust (3), by means of a drill head (4) which is held in the borehole (1) by a drill rod (5), the drill head (4) comprising a thermal device...  
WO/2016/064500A1
A method for controlling an electrical actuator is disclosed. The method may include driving an electrical actuator at a power level during each of a plurality of actuation attempts and determining whether the electrical actuator actuate...  
WO/2016/063131A1
A vibration assembly of a drilling tool for drilling a wellbore penetrating a subterranean formation is disclosed. The downhole drilling tool includes a drill string, a bottomhole assembly and a drill bit. The vibration assembly includes...  
WO/2016/060683A1
An example apparatus for controlling the direction of drilling a borehole includes a housing and a radially offsetable drive shaft at least partially within the housing. The apparatus may further include one or more pusher extendable fro...  
WO/2016/060881A1
A method for drilling a wellbore includes rotating a drill string having a steerable drilling motor proximate a distal end thereof in a wellbore to a selected tool face angle. A torque applied to the drill string and a rotational orienta...  
WO/2016/060976A1
Wellbore fluids may contain alkyl amine and cyclic organic acid complexes capable of controlling hydration in swellable formations such as shale- and clay-containing formations. Further, methods of drilling may utilize wellbore fluids co...  
WO/2016/060765A1
Articles comprising carbon composites are disclosed. The carbon composites contain carbon microstructures having interstitial spaces among the carbon microstructures; and a binder disposed in at least some of the interstitial spaces; whe...  
WO/2016/057445A1
A steering assembly includes a housing having a longitudinal axis, a mandrel having a front connecting extremity and a rear connecting extremity, the mandrel passing through the housing and arranged in a first position coaxially to the l...  
WO/2016/057014A1
A system and method for establishing hydraulic communication between a relief well and a target well, wherein the relief well intersects with the target well at an intersection point and the relief well includes a distal portion of the r...  
WO/2016/054586A1
A method for rotary steerable drilling, comprising calculating a first plurality of convergence plans if an estimated position of a drill bit is not within a defined margin of error of a desired point along a planned path for a borehole,...  
WO/2016/054364A1
A subsea wellbore system is disclosed in which a return fluid flows from a wellbore to the surface via an annulus between a drill string and a casing and then between the drill string and a riser, wherein the system includes a device con...  
WO/2016/050142A1
A push-the-bit rotary steerable device (100), comprising: a mandrel (12) provided with a central passage (12a); an outer sleeve (14) connected outside the mandrel (12) in a rotating sleeving way; a plurality of swinging type wing ribs (1...  
WO/2016/053324A1
An example method includes introducing a downhole tool string into a main wellbore of a multilateral wellbore that includes a lateral wellbore that extends from the main wellbore. The downhole tool string includes a wand and a kickover k...  
WO/2016/049422A1
A mobile drilling rig is mountable on a separate drive chassis having running gear. A separate main frame may be having elongated members, each having outer end extensions and vertically adjustable support posts thereon. A slide chassis ...  
WO/2016/049335A1
A pipe handling device and method for use with a horizontal directional drilling system. The pipe handling device stores sections of drill pipe in a magazine. The magazine is constructed so that it can be mounted to a boring machine in a...  
WO/2016/048284A1
A spoolable swivel, methods, and systems for coupling a first and second length of coiled tubing. The spoolable swivel can include an inner tubular element and an outer tubular element. The inner tubular element and the outer tubular ele...  
WO/2016/048458A1
A method of assembling a drilling rig may include aligning a trailer with a drilling rig support structure, the trailer carrying a mast and the drilling rig support structure including a step-down substructure. A first end of the mast ma...  
WO/2016/016657A3
A tool assembly (10) comprises a casing section (12), and a downhole tool (14) comprising a rotary drive (16) and a cutting member (18). In use, the tool assembly (10) is disposed in a well borehole (B) and the rotary drive (16) operated...  
WO/2016/043737A1
A completion system and method for intelligent control of multilateral wells. A completion deflector defines a hollow interior fluidly coupled with a uphole tubing and downhole main completion strings. Hydraulic, electric, and/or fiber-o...  
WO/2016/043707A1
A downhole oscillation tool and method for axially vibrating a drill bit. In some embodiments, modular actuation assemblies may be provided, which may be readily interchanged between a housing and a shaft to axially vibrate the shaft wit...  
WO/2016/043709A1
A downhole oscillation tool and method for axially vibrating a drill bit. In some embodiments, modular actuation assemblies may be provided, which may be readily interchanged between a housing and a shaft to axially vibrate the shaft wit...  
WO/2016/041858A1
The present invention relates, in particular, to a method for mechanical excavation of a cross passage (6) between two traffic tunnels (1, 2) or between two vertical wells, characterized by the fact that it comprises a series of steps as...  
WO/2016/041049A1
Embodiments disclosed herein relate to downhole tools capable of creating a vibration, and more particularly to methods and apparatus for creating tunable pressure pulses for imparting vibration to a downhole drill string.  
WO/2016/044464A1
A geo-steering method for drilling a formation penetrated by multiple wells. The method comprises computing a stratigraphic target formation window, computing a target line utilizing an instantaneous formation dip angle correlated to off...  
WO/2016/043719A1
An example downhole motor may include a first housing and a second housing with first and second portions characterized by non-parallel longitudinal axes. The second housing may be rotatably coupled to the first housing, and the first po...  
WO/2015/179504A3
A wireline system for use during drilling operations. The wireline system has a wireline assembly and a roller assembly. Both the wireline assembly and the roller assembly are positioned within a front portion of a drill rig. Described h...  
WO/2016/039731A1
A method for determining a configuration of a mechanical actuator coupled to a drilling shaft in a drilling shaft deflection device of a rotary steerable subterranean drill. The method includes receiving, at a controller, data representa...  
WO/2016/040664A1
A compact reaction turbine jet rotor with much lower rotary speed, reduced manufacturing cost and greater tolerance to debris and wear is disclosed. Reduced rotary speed will allow faster drilling in a wider range of formations of econom...  
WO/2016/037135A1
A system includes a transmitter for use in conjunction with a horizontal directional drilling system that transmits a multi-bit symbol stream that characterizes sensor symbols for receipt by an aboveground portable device. The portable d...  
WO/2015/127345A3
A method and apparatus for steering a drilling assembly (200) during drilling operations for oil and gas. The steering assembly being disposed in a borehole (10) and comprising a drill bit (120) attached to a drill collar (210) having an...  
WO/2016/033707A1
Disclosed is a walker-type rotary drilling rig; a slewing bearing (8) is mounted below a main machine body (14); a bearing mount (19) is connected to a fixed travel frame (6); the bearing mount (19) is connected to a longitudinal connect...  

Matches 951 - 1,000 out of 13,831