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Patent Searching and Data


Matches 701 - 750 out of 13,814

Document Document Title
WO/2017/105402A1
A deflection mechanism may include a first incline and a second incline for interacting with legs of a junction assembly to selectively deflect each of the legs in a desired direction in a multilateral wellbore system. The deflection mec...  
WO/2017/105849A1
A method for steering a downhole tool in a wellbore includes measuring a tool face when the drill bit is off-bottom, measuring an angular position of a drill string when the drill bit is off-bottom, and measuring a torque on the drill st...  
WO/2017/106479A1
A force stacking assembly for use with an earth boring system that includes a series of actuators (37) that each generate a force, and that are arranged to create a combined force that is cumulative of all of the actuators. The actuators...  
WO/2017/105390A1
An illustrative dogleg severity (DLS) estimation method includes: retrieving dimensions of steering assembly; determining an initial DLS estimate; using the DLS estimate in combination with the steering assembly dimensions to determine n...  
WO/2017/105401A1
A downhole assembly includes a tool-orienting device including an operating unit that obtains downhole measurements and a pulse-generating device that transmits the downhole measurements to orient a downhole tool. A restrictor sub is cou...  
WO/2017/100939A1
Downhole tool assembly comprises a whipstock engageable with a flow control device. The whipstock comprises a channel. A core is removably mounted in the channel. The flow control device comprises a valve with a shiftable sleeve for sele...  
WO/2017/020050A3
The invention provides a machine (10) for tunnelling in rock. The machine (10) includes a pilot drill assembly (12) for drilling a series of interfering parallel holes or a pilot hole into and generally perpendicular into a rock face (14...  
WO/2017/099780A1
A method includes conveying a washover whipstock coupled to an orienting latch anchor into a parent wellbore lined with casing and securing the orienting latch anchor to the casing. A washover tool couples to and removes the washover whi...  
WO/2017/097692A1
The invention relates to an apparatus and to a method for driving a cavity (103) in mining, wherein an extraction drum (139) rotatable about a drum axis of rotation (233) is rotatably mounted in relation to a longitudinal axis (218) by m...  
WO/2017/095676A1
A dual tower rig includes a hull supported by one or more legs and includes a cantilever assembly coupled to the hull. Dual towers are supported by a skidding system that is coupled to the cantilever assembly. The towers are configured t...  
WO/2017/095974A1
A method for drilling a well includes orienting a steerable drilling motor at a selected toolface angle. The steerable drilling motor is connected by a drill string to a surface drilling location. The drill string is automatically rotate...  
WO/2017/095959A1
A downhole closed loop method for controlling a curvature of a subterranean wellbore while drilling includes controlling a direction of drilling such that the drilling attitude is substantially equal to a setpoint attitude. A setpoint ra...  
WO/2017/089647A1
The invention relates to a method in down-the-hole drilling and a down-the-hole drilling device, being meant for drilling a hole with and a casing pipe (2). The drilling device comprises in its drilling head (I) : a drilling arrangement ...  
WO/2017/091084A1
A wellhead foundation for one or more subsea wells, the wellhead foundation comprising a suction foundation (1) provided with a housing (11) with an open bottom (114) and a top which is closable with a top cover (112), and one or more pi...  
WO/2017/091085A1
A wellhead foundation for one or more subsea wells, the wellhead foundation comprising a suction foundation (1) provided with a housing (11) with an open bottom (114) and a top which is closable with a top cover (112), and one or more pi...  
WO/2017/087490A1
A bearing section for a positive displacement mud motor for directional drilling in which the deflection of the drill bit is remotely adjusted by bending the drive sub using an offset flex drive mechanism to adjust between desired settin...  
WO/2017/087200A1
A lower stabilizing arm for stabilizing tubulars for stabbing to the threaded connections of a drill string on drilling rigs. The lower stabilizing arm comprises a bracket and an upper arm having an upper end and a lower end. An upper pa...  
WO/2017/087519A1
Automatic scanning and representing an environment with collision avoidance includes, for example, obtaining a first representation of the environment using a first scanning path, determining a second scanning path based on the first rep...  
WO/2017/086936A1
A multilateral tool and methods and systems related thereto, the multilateral tool conveyable into a parent wellbore and a lateral wellbore and having a plurality of components operatively coupled together such that movement of a compone...  
WO/2017/087595A1
The disclosed embodiments provide a drilling rig having a tubular delivery arm that vertically translates the mast in a non-conflicting path with a retractable top drive. The retractable top drive translates a well center path and a rear...  
WO/2017/083940A1
A drill motor assembly including a drill shaft and at least two sub-motor assemblies operatively engaged with the drill shaft to cause the drill shaft to rotate.  
WO/2017/083745A1
A wellbore or other type of hole in a geologic formation or other material, such as concrete or other manmade structures, may be formed by accelerating perforating charges containing detonable material through a tubular string. Movement ...  
WO/2009/028979A8
The invention relates to apparatus and methods useful for drilling lateral boreholes into a formation surrounding a main borehole. Proposed technique can be used for drilling of laterals which does not require such significant interrupti...  
WO/2017/083072A1
Systems and methods are described for drilling a new secondary wellbore from a primary wellbore in which a production string is already deployed. The production string is severed below a desired kick-off location for the new secondary we...  
WO/2017/083147A1
A hole in geologic material, such as a wellbore, may be extended by impacting the working face of the hole with high velocity projectiles. A tube may be placed within the hole, and the lower end of the tube may be sealed to prevent ingre...  
WO/2016/063131A8
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/2017/078537A1
An installation apparatus for installing a liner (16) in a subterranean formation (1) comprisesa housing (4) having an internally arranged flexible member (7) operatively connected to a bore-forming device (23) at one end and to a contro...  
WO/2017/078311A1
The present invention relates to an excavation bit, and the excavation bit may comprise: a bit head part that has a pointed end excavation surface formed thereon, a plurality of stopper accommodating grooves having equal angles disposed ...  
WO/2017/070773A1
A system and method for locking together a running tool and a tubular member to rotate the tubular member. The system includes a tubular member, such as a mandrel hanger, and a running tool adapted to engage in a mechanical connection to...  
WO/2017/075556A1
A downhole apparatus for cutting casing and rock when radial drilling defined by a cutting head that includes three or more cutting edges positioned around the cutting head's axis of rotation, at least three of the cutting edges in conti...  
WO/2017/074733A1
Systems and methods for stimulating wells include a frac window system positioned in a first wellbore adjacent a secondary wellbore extending from the first wellbore so that an opening in the frac window system aligns with a window in th...  
WO/2017/074259A1
A drive system housing is provided with an engagement-disengagementmechanism that is advantageous to connect (make up) or disconnect (break out)drill bit or other device connection from the drive system housing. The drive systemhousing c...  
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/2017/069774A1
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/2017/041118A3
A vibration generator (9) for a drilling installation comprises a housing (16), at least one rotation body (17), a suspension (24) by means of which the rotation body is suspended rotatably within the housing, the mass centre of the rota...  
WO/2017/065738A1
In accordance with embodiments of the present disclosure, a hybrid drive for use within a rotary steerable drilling tool is provided. The hybrid drive may enable improved directional drilling performance of the rotary steerable drilling ...  
WO/2017/034400A3
The present invention relates to a modular transfigurable drilling rig system composed of multiple components, which system is transfigurable between a field transport mode in which components of the system are transportable on the field...  
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/2017/066578A1
An embodiment of a method of drilling a secondary borehole from a primary borehole includes deploying a drilling assembly at a selected location in the primary borehole in an earth formation, and operating the drilling assembly and a dri...  
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/2017/065606A1
The present invention is in the field of guided pressing small and medium sized tubes over distances of a few meters up to 500 meters, an assembly comprising a pressing segment and an outer guiding tube, said pressing segment, and said o...  
WO/2017/066788A1
An automatic mast section latching system is disclosed that provides rapid and safe connection of sequential mast sections without placing an employee in a lift to complete the task. A slot flange extends above each mast section for conn...  
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/2017/065974A1
A system (100) for positioning a working tool (21) in a wellbore (1). The positioning system (100) comprises a casing element (110) with a marker (111, 112, 113) provided on an inner surface, the marker (111, 112, 113) having a distinct ...  
WO/2017/062803A1
A slide cartridge having a base member and a channel defined by a pair of opposed walls, The walls extend from the base member and are configured to partially cover the rail of a horizontal directional drilling machine. The slide cartrid...  
WO/2017/060934A1
The purpose of the present invention is to provide a slope face working vehicle with which a rock bolt insertion hole that is orthogonal to a slope face can be drilled. This slope face working vehicle comprises: a working vehicle main bo...  
WO/2017/062893A1
A land drilling rig and associated methods are described that facilitate fast rig up of the drilling rig for drilling a well. In some embodiments, the drilling rig may include a rear trunk, a center trunk, and an alignment frame. The ali...  
WO/2017/058092A1
The invention relates to a method for drilling plan generation where a drilling plan is specifying a number of drilling holes having a starting point and an end point, which drilling holes are distributed within specified sectors of the ...  
WO/2017/058091A1
The invention relates to a method for drilling plan generation where a drilling plan (PBP) specifies a number of drilling holes having a starting point and an end point, which drilling holes are distributed within sectors (W; LS; RS; US;...  
WO/2017/056026A1
A percussion device that includes: - an input side; - an output side; - at least one drive transmitter; - a drive transmitter pathway; - a percussion impactor; and - a percussion anvil; where: the drive transmitter pathway is a circumfer...  

Matches 701 - 750 out of 13,814