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Patent Searching and Data


Matches 551 - 600 out of 13,839

Document Document Title
WO/2018/067273A1
The rotary steerable drilling tool and system described herein combines both point- the-bit and push-the-bit techniques to actively change the direction of the borehole trajectory. In this system, the deflection of the drill bit is limit...  
WO/2018/067255A1
A downhole assembly comprises a disintegrable article comprising a metal, a metal alloy, a metal composite, or a combination comprising at least one of the foregoing; the disintegrable article being corrodible in a downhole fluid; a curr...  
WO/2018/063542A1
A fully rotating bias unit for directional drilling rotates at bit speed while providing proportional control of directional response and steering force. The unit also provides added reliability by having increased redundancy (multiple i...  
WO/2018/063543A1
Angular position readings are obtained during rotation of an apparatus in a borehole, and angular rate readings are obtained over time of the rotation. The angular rate readings are adjusted based at least on the angular position reading...  
WO/2018/044871A8
Power machines (300) and control systems (360, 400) used thereon include a lift cylinder (333), a tilt cylinder (335), and a slave cylinder (337) mechanically connected to assist the lift cylinder with raising a boom (330). With a lift c...  
WO/2018/063147A1
A whipstock assembly includes a whipstock providing a ramped surface, and a mill releasably coupled to the whipstock with a shear bolt and providing a mill profile. A tension arm is pivotably coupled to the whipstock and movable between ...  
WO/2018/063175A1
Provided are systems for connecting a control line to an intelligent tool positioned below a lateral borehole junction in accordance with the disclosure and the illustrated FIGURES. An example system comprises a lateral deflector. The la...  
WO/2018/057696A1
An apparatus for drilling directional wellbores is disclosed that in one non-limiting embodiment incudes a drive for rotating a drill bit, a deflection device that enables a lower section of a drilling assembly to tilt about a member of ...  
WO/2018/057697A1
An apparatus for drilling a directional wellbore is disclosed that in one non-limiting embodiment includes a drive for rotating a drill bit, a deflection device that enables a lower section of the drilling assembly to tilt about a member...  
WO/2018/057698A1
An apparatus for drilling a directional wellbore is disclosed that in one non-limiting embodiment includes a drive for rotating a drill bit, a deflection device that enables a lower section a drilling assembly to tilt within a selected p...  
WO/2018/055549A1
A shaft enlargement arrangement for a boring system is provided, the shaft enlargement arrangement comprising a hollow column proximate a lower end of the boring system. A reamer section comprising a downwardly tapering first cutter head...  
WO/2018/057841A1
A rock excavating device includes a shaft and a cutting element. The shaft includes a first portion and a second portion connected to an end of the first portion. The first portion is rotatable about a first axis. The second portion exte...  
WO/2018/057074A1
A tubular handling system and method, of which the tubular handling system includes a power tong configured to engage and rotate an add-on tubular by applying a torque thereto, the power tong defining a central opening configured to rece...  
WO/2018/052429A1
An assembly for installation into a wellbore that includes a main wellbore and a lateral wellbore branching off the main wellbore is described. The assembly includes a tubular positionable in the main wellbore, where the tubular includes...  
WO/2018/052442A1
A casing exit joint with guiding profiles and methods for use are provided. In one embodiment, a casing exit joint comprises: a substantially tubular casing joint comprising an inner surface and an outer surface, wherein at least a circu...  
WO/2018/052439A1
A plug deflector includes a body having a first end and a second end opposite the first end, a tool receptacle provided at the first end and defining an internal bore having a first coupling mechanism defined on the internal bore, at lea...  
WO/2018/053471A1
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/2018/052452A1
A method includes severing a liner positioned in a first wellbore at least partially lined with casing and thereby providing a severed end, conveying a mid-completion assembly into the first wellbore and receiving the severed end within ...  
WO/2018/048658A1
A mobile offshore drilling unit is converted to provide drilling, completion and workover access to multiple dry tree wells from a drilling derrick to allow production and export of oil and gas from high pressure, high temperature reserv...  
WO/2018/046757A2
The present invention relates to drilling (particularly horizontally) a borehole in ground. In order to provide an extension in particular in term of run length of a drilling in ground in comparison to conventional trenchless approaches,...  
WO/2018/048861A1
Embodiments and methods relate to pulling and installing a product line along an underground arcuate path beneath an obstacle, including pulling the product line for an extended length (i.e. a length that might otherwise be deemed imprac...  
WO/2018/047993A1
Disclosed is a fine dust collecting device for a drill. A fine dust collecting device for a drilling apparatus having a drill for rock drilling according to the present invention comprises: a suction tube installed at the drill to allow ...  
WO/2018/049311A1
Apparatus and methods for drilling and stimulating a subterranean formation. The method may comprise drilling a wellbore comprising a deviated wellbore portion extending through a subterranean formation, forming a plurality of lateral tu...  
WO/2018/049177A1
A mining system with an inertial guidance system configured to enable precise excavation of geological material without a need to advance a survey line over a long distance and/or nonlinear excavation path, thereby maximizing productivit...  
WO/2018/049024A1
An electromagnetic sensor is configured for deployment at or near a cutting tool connected to a drill string and moveable by a horizontal directional drilling machine. The sensor comprises a housing having an exterior surface which is ex...  
WO/2018/042348A1
An attachable lighting system for a drilling rig. A method of providing lighting to a drilling rig site comprising, attaching at least one light fixture directly to the crown of a drilling rig on each of at least two sides, wherein the l...  
WO/2018/044871A1
Power machines (300) and control systems (360, 400) used thereon include a lift cylinder (333), a tilt cylinder (335), and a slave cylinder (337) mechanically connected to assist the lift cylinder with raising a boom (330). With a lift c...  
WO/2018/040739A1
Disclosed are a raise-boring machine for enlarging an inclined hole of a mine and a method for enlarging an inclined hole of a mine, relating to the field of mine equipment. The raise-boring machine for enlarging an inclined hole of a mi...  
WO/2018/022060A3
Provided is an anti-rotation system and method of operating a downhole tool. The anti-rotation system, in one embodiment, includes a housing defining a longitudinal axis, and a carriage mounted within the housing, the carriage including ...  
WO/2018/038963A1
A system and method for drilling a borehole in a subsurface formation. A method includes receiving measured values indicative of operations performed by drilling equipment. The measured values include hookload values. The hookload values...  
WO/2018/036713A1
The invention relates to a working machine and to a method for working a soil with the working machine, having a mast along which a top drive is moved vertically by means of an adjusting device, a telescopic Kelly linkage having at least...  
WO/2018/034657A1
A modular reaming device incorporable into a tubular string. The modular reamer can include a tubular body having a first end and a second end and an internal bore, the internal bore extending longitudinally through the tubular body from...  
WO/2018/031296A1
A method for assembling a riser from a platform on the surface of a body of water includes assembling segments of riser end to end through a drill floor using a main drilling unit on the platform. At least one auxiliary line is assembled...  
WO/2018/031294A1
An insulated (mineral insulated) conductor heater for heating a subsurface formation is disclosed. The heater may include a first elongated electrical conductor, a first electrical insulator at least partially surrounding the first elong...  
WO/2018/026365A1
The present disclosure provides a drilling system, and a method of operating a downhole tool. The drilling system, in one embodiment, includes a housing defining a first longitudinal dimension, a driveshaft positioned within the housing ...  
WO/2018/026849A1
Apparatus and method for drilling a wellbore using non-synchronous oscillators. An apparatus for drilling a wellbore includes a tubing string and a bottom hole assembly coupled to the tubing string. The bottom hole assembly includes a fi...  
WO/2018/022060A2
Provided is an anti-rotation system and method of operating a downhole tool. The anti-rotation system, in one embodiment, includes a housing defining a longitudinal axis, and a carriage mounted within the housing, the carriage including ...  
WO/2018/019853A1
Described are a device and method for determining the mechanical properties of an underwater bottom. The device comprises a support frame which provides a fixed support relative to an underwater bottom; and also means for carrying the su...  
WO/2018/017724A1
A method of controlling drill bit trajectory in a subterranean formation includes receiving drilling parameters for operating a specific bottomhole assembly (BHA), constructing, with a computer processor, a directional drill-ahead simula...  
WO/2018/016996A1
The invention relates to methods of flushing oil and gas condensate wells using liquid and gas. The technical result is the increased productivity of wells. The method comprises installing, in a well, a high-strength tubing string, an an...  
WO/2012/050459A9
A guide post (1) for use in the final part of a guided lowering of equipment (20) toward a predetermined point, or location (30), on the seabed, is described. The guide post (1) is continued, or extended, in a guide wire running towards ...  
WO/2018/017092A1
In some aspects, the present disclosure includes systems and methods for steering a rotary drilling tool used in subterranean drilling operations. In one embodiment, the methods of the present disclosure may be suitable for steering a dr...  
WO/2018/014981A1
A downhole adjustable drilling inclination tool including an outer housing, an inner housing, a compression spring, a piston assembly, and a tilt housing. The piston assembly is fluidly controlled to move axially along the outer diameter...  
WO/2018/013258A1
A drilling rig may include a right substructure, left substructure, and a drill floor. The drill floor may be pivotably coupled to lower boxes of the left and right substructure by struts. The substructures may include hydraulic cylinder...  
WO/2018/013633A1
A drilling assembly for drilling deviated wellbores is disclosed that in one embodiment includes a steering unit having an upper section coupled to a lower section through a tilt device, wherein an electro-mechanical actuation device til...  
WO/2018/013632A1
A rotary drilling apparatus for drilling deviated wellbores Is disclosed that in one embodiment includes a drilling assembly that further includes a drilling motor coupled to a drive member to rotate a disintegrating device, a housing ou...  
WO/2018/013634A1
A drilling assembly for use in drilling a wellbore is disclosed that in one embodiment includes a steering unit that includes a tilt device in a disintegrating device and an electro-mechanical actuation device having a force application ...  
WO/2018/013479A1
A drilling and production system is provided. In one embodiment, such a system has a plurality of functions that are effectuated at least predominately without hydraulic fluid. The system can be a drilling system having a rig (20) and a ...  
WO/2018/012998A1
The invention relates to mining and may be used for the advance degasification of coal seams of any rank, and also of other mineral deposits scheduled for or already undergoing underground production (mining). The technical result of the...  
WO/2018/009067A1
An aspect provides a method of removing a liner of a well, the liner comprising a liner material. The method comprises providing a seal in the well for defining an upper and/or lower boundary of a removal space, the space being delimited...  

Matches 551 - 600 out of 13,839