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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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 ...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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 ...
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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...
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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...
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WO/2018/008842A1 |
The present invention relates to top-sheaves for preventing a leader of a drilling machine from being bent, wherein the principle of the lever is applied to the top-sheaves of a leader so as to effectively distribute a load transmitted t...
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WO/2018/009437A1 |
A portion of a wellbore is drilled in a subterranean formation, using a drilling string (140) disposed within a casing string (130) and extending through a cement retainer (150) disposed within the casing string. The drilling string can ...
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WO/2018/007236A1 |
A foundation drilling machine (100) comprises: a base (1) revolvingly mounted on an undercarriage (2), a rotation system (7) that allows the base to rotate with respect to the undercarriage, a tool (50) intended to work the ground, an ar...
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WO/2018/006178A1 |
A flow-through assembly for use in a downhole drilling string includes a Moineau-type motor, means for selectively activating the motor such as a ball catch component that selectively causes drilling fluid to enter into or bypass the mot...
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WO/2018/005402A1 |
An actuator for use in a directional steering assembly includes an ultrahard insert positioned on a working face. The ultrahard insert is positioned along at least a portion of the perimeter of the working face. The ultrahard insert has ...
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WO/2018/001984A1 |
A downhole drilling method comprises providing a drill string (1) having a first part (5) and a second part (6), the first part having a drilling head (9) in a first end and an annular barrier (10). The annular barrier comprises a tubula...
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WO/2018/001506A1 |
An apparatus and method for positioning a rock drilling, and a rock drilling rig. The rock drilling rig (1) comprises a mobile drilling platform (2) and a drilling mast (3) connected to the drilling platform. The drilling platform is lev...
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WO/2017/223507A1 |
Systems and methods for using pressure signals to assess effectiveness of a diverter in a stimulation wellbore are disclosed. A pressure signal in an observation wellbore in the subsurface formation may be assessed using a pressure senso...
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WO/2017/217990A1 |
The disclosure relates to an electrocrushing drilling fluid with an electrocrushing drilling base fluid including a non-polar oil, -OH, -(OH)2, or -(OH)3 alcohol, water, and an emulsifier in proportional amounts by weight or volume in th...
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WO/2017/217991A1 |
The disclosure relates to an electrocrushing drilling system containing an electrocrushing drill bit with electrodes through which a voltage may be discharged that are at least 0.4 inches apart at their closest spacing and an electrocrus...
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WO/2017/217995A1 |
The disclosure relates to an electrocrushing drilling fluid with an electrocrushing drilling base fluid including a polar oil, a non-polar oil, or a combination thereof and glycerine carbonate. The electrocrushing drilling fluid or base ...
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WO/2017/215761A1 |
Positions of structural parts (8, 8a, 8b) of a mining machine (1) are measured by providing at least one optical fibre (6) in connection with the mining machine (1) for sensing a position of at least one structural part (8, 8a, 8b) of th...
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WO/2017/217992A1 |
The disclosure relates to an electrocrushing drilling fluid with an electrocrushing drilling base fluid including a non-polar oil, water, and glycerin. The base fluid may further include a polar oil and an alkylene carbonate. The electro...
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WO/2017/214636A1 |
A carrier pipe is protected from corrosion by being received inside a casing at a location above ground. The casing, which can be formed from a polymer, defines a gap extending around an exterior surface of the carrier pipe. In one embod...
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WO/2017/214148A1 |
A side saddle slingshot drilling rig includes a left and right substructure including a left and right lower box. The side saddle slingshot drilling rig includes a drill rig floor mechanically and pivotably coupled to the left and right ...
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WO/2017/213840A1 |
A downhole system is deployed on wireline and includes a tool and a guide system on it a lower end of the tool for navigating past obstacles within a wellbore. A selectively rotatable tip member projects downward from the guide system. A...
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WO/2017/213572A1 |
A carrier comprising at least a first hydraulic cylinder and a second hydraulic cylinder both having each a piston and a piston position sensor, wherein the carrier is arranged to carry a tool through the use of the hydraulic cylinders a...
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WO/2017/214422A1 |
In one embodiment, the present disclosure provides a robot automated mining method. In one embodiment, a method includes a robot positioning a charging component for entry into a drill hole. In one embodiment, a method includes a robot m...
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WO/2017/213620A1 |
In some aspects, the present disclosure includes systems and methods for rotatably coupling a bottom-hole assembly to a drilling shaft for use in subterranean drilling operations. In one embodiment, the methods of the present disclosure ...
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WO/2017/214316A1 |
An innovative apparatus and computer implemented methods to obtain values for a set of scalars corresponding to each force and displacement, which may be obtained from acoustical signals captured by sensors of a drill bit while drilling,...
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WO/2017/209911A1 |
Methods and apparatuses for controlling a trajectory of a borehole being drilled into the earth are provided. The apparatus includes a drilling system including a drill tubular, a disintegrating device, and a steering system coupled to t...
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WO/2017/209753A1 |
A well system including a parent wellbore, a lateral wellbore extending from the parent wellbore, and a reentry window assembly installed within the parent wellbore and including a completion window assembly having a window and providing...
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WO/2017/210033A1 |
A drilling rig site may include at least one tubular configured to be inserted into a wellbore at the drilling rig, at least one imaging device configured to detect a location of an end of the at least one tubular or a feature of the at ...
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WO/2017/205324A1 |
A system and method for installing a tubular in a wellbore, of which the method includes coupling a fluid connector tool to a lifting assembly, coupling a casing fill-up and circulation seal assembly to the fluid connector tool, and coup...
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WO/2017/204664A1 |
The invention can be used in underground mining, being mounted on a device commonly known as a rock drilling jumbo. The system of the invention is used for systems for drilling long radial holes. In ore extraction in underground mining, ...
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WO/2017/205620A1 |
An angular offset apparatus for determining an angular offset, or scribe line offset (SLO), of two objects within a drilling environment. The angular offset apparatus may include a sensing component and a target component located at vari...
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WO/2017/204947A1 |
A downhole pulsing apparatus having a tubular housing, a first valve assembly positioned in the housing, first and second turbine stages each comprising a stator and a rotor positioned in the housing below the first valve assembly and a ...
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WO/2017/205627A1 |
A horizontal directional drilling rig is described. The rig can be entirely electrically powered. The performance (or "health") and/or the life cycle of individual components of the rig can be electronically monitored. This permits ident...
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WO/2017/200945A1 |
A main bore is drilled and a treatment assembly is located. A packer is located to support a whipstock for drilling the lateral. This packer serves as a lower seal on a main bore diverter. The whipstock is installed on the packer and a m...
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