Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 701 - 750 out of 13,397

Document Document Title
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...  
WO/2016/036788A1
A bottomhole assembly (BHA) has a first section, a second section, and a drilling motor disposed along the second BHA section. The first BHA section is connected to the second BHA section with a flex sub. A steering assembly positioned a...  
WO/2016/036808A1
A jet pump assembly is adapted to be releasably attached to a tubular member of a tubular string in an oil well. The jet pump may be pumped out of the tubular string to the surface by a reverse flow of power fluid down the well between t...  
WO/2016/032640A1
A method for wellbore directional drilling includes selecting a starting and stopping spatial position of at least one portion of the wellbore. A sequence of sliding and rotary drilling operations within the portion is determined to calc...  
WO/2016/029728A1
A self-driven casing pipe lowering device, comprising, sequentially connected from top to bottom, a turbine assembly (1), a drive shaft (4) driven to rotate by the turbine assembly, a drill bit (5) driven by the drive shaft and installed...  
WO/2016/033395A1
A technique facilitates drilling of deviated boreholes. The technique employs a drilling system which may be disposed along a drill string. The drilling system may be used to drill a straight section of a borehole along a straight boreho...  
WO/2016/028159A1
A drilling module (1) for radial drilling in a well (2) and an anchoring module (6) for use in a well tool (5) are described, the well (2) being defined by a wall (21) and the well having an extent in an axial direction (A). The drilling...  
WO/2016/028160A1
A wireline- or umbilical-operated drilling unit (2) especially for forming a second borehole (12) sidetracked from an established first borehole (11) in an underground structure (1) and for reaming an established first or second borehole...  
WO/2016/026022A1
A manually operated pneumatic rock drill positioner for mining shaft wall boring, said positioner comprising: an articulated boom having one end for releasable coupling to a mobile ground platform and another end opposite said one end th...  
WO/2016/025521A2
An improved system and method for bracing, transporting, assembling, and disassembly of drilling equipment at oil and gas land-based well sites. The system has a substructure with side boxes support bracing that are in a scissor jack (or...  
WO/2016/019427A1
A well system comprising at least one gas well extending from a ground surface into the ground, a water production well extending from a surface into the ground and a water drainage well fluidly connecting the at least one gas well to th...  
WO/2016/015528A1
Disclosed is a rotation guidance apparatus belonging to the technical field of oil drilling equipment. An end part of a lower connector (3) has a ball-socketed ball-joint rod (12), and a drill bit (1) is connected on the ball-joint rod (...  
WO/2016/015654A1
Carbonate rock fracture drilling trajectory design and control methods, comprising: utilizing earthquake data to obtain the contours of carbonate rock fractures; determining a safe distance from each carbonate rock fracture; determining ...  
WO/2016/018230A1
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 bolt and having a slot defined therein, and a tor...  
WO/2016/016657A2
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/2016/018228A1
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 bolt and providing one or more blades, and a bear...  
WO/2016/015336A1
A drill boom (110) of an underground drilling machine (100) supports a boom assembly (112) of the drilling machine (100) to extend the boom assembly (112) to a certain position, and the boom assembly (112) supports, moves and rotates a f...  
WO/2016/015334A1
A supporting mechanism (200) for supporting, moving and rotating a feed beam (114) includes a boom assembly (112), a drill boom (110) and a rotating device (102). The boom assembly (112) connects to the feed beam (114) and supports the f...  
WO/2016/014080A1
A downhole drilling tool may include a strain gauge inside a rolling-bearing element. For example, the downhole drilling tool may include a rolling-bearing element having an inner race, an outer race, and one or more bearings disposed be...  
WO/2016/012535A1
The present invention provides a method and an abrasive jet drilling system for transmitting information from a downhole location to a surface location. The method comprises: providing a jet drilling system, comprising a drill string ext...  
WO/2016/014472A1
A reaming tool for enlarging an underground borehole has a plurality of cutter assemblies distributed azimuthally around a longitudinal axis of the tool. First, second and possibly more cutter assemblies each have an axially extending le...  
WO/2016/014449A1
A reamer for enlarging an underground borehole comprises a plurality of cutter assemblies distributed azimuthally around a longitudinal axis of the tool, and each cutter assembly comprises a supporting structure and a plurality of hard f...  

Matches 701 - 750 out of 13,397