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Matches 1 - 50 out of 13,226

Document Document Title
WO/2019/028500A1
A sensor module for a marine buoyancy unit is disclosed, the marine buoyancy unit configured to be releasably connected to a marine riser. The sensor module comprises a housing releasably connectable at least partially within the marine ...  
WO/2019/025761A2
A tool for milling a window in the casing of a borehole, the tool comprising: a main body having a longitudinal axis wherein, when the tool is run into a borehole, the longitudinal axis is substantially parallel with the longitudinal axi...  
WO/2019/027462A1
A method to provide support within a wellbore includes underreaming a section of the wellbore at a depth spanning a layer of an unstable formation. The method also includes deploying a bistable structure within the wellbore at the depth ...  
WO/2019/025008A1
The present invention provides an oxygen lance having a wooden casing, a process for production of silicon metal or metal alloy in an arc furnace, wherein liquid silicon metal or metal alloy is produced and the liquid metal or metal allo...  
WO/2019/022601A1
The present invention relates to a system and method for casing drilling with a subsea casing drive adapted to engage at the outer circumference of the casing string, to impart a linear force and/ or torque to the casing string, and such...  
WO/2019/021042A1
Hole enlargement procedure and apparatus for the implementation thereof The subject of the invention is the procedure for the enlargement of a hole drilled into the ground, during the preparatory phase of which a drill pipe, driven throu...  
WO/2019/018927A1
A drilling system having retractable wings and method of using same. The system includes at least one wing, which can extend from the system once it engages in a casing and abuts against an abutment ring at the bottom end of the casing. ...  
WO/2019/022581A1
The present invention relates to an apparatus for drilling a hole in the ground and a ground reinforcing method and, more specifically, to an improved hole drilling apparatus using screw casings and an earth anchor method using same, in ...  
WO/2019/018095A1
A system and method for orienting a tool in a near vertical wellbore. The system includes a tool string having a whipstock at an end thereof, at least two magnetometers oriented transverse to a longitudinal axis of the tool string, and a...  
WO/2019/018351A1
A downhole oscillation tool includes a Moineau-type positive displacement pulse motor and a valve assembly for use in a drill string (100). The pulse motor includes a rotor configured to nutate within the bore of a stator (114). The roto...  
WO/2019/013766A1
Control valves can allow for a steering assembly of a drill string. An exemplary control valve can include a first valve element including a first orifice, the first valve element being movable by actuation by a motor, and a second valve...  
WO/2019/014515A1
Hydro excavation vacuum apparatus that process spoil material onboard the apparatus by separating water from the cut earthen material are disclosed.  
WO/2019/014160A1
Systems and methods for performing a radial drilling operation using a shaft are disclosed. The shaft can be flexible and can be made of a series of links, each of which can have a hexagonal or other suitable shape to impart a torque alo...  
WO/2019/014161A1
Apparatuses and methods for positioning a flexible hose into a wellbore with a protective housing are disclosed. A flexible hose is contained within a protective housing and both are positioned into a wellbore to a desired depth. Pressur...  
WO/2019/011202A1
A method for induced drilling by means of inertial confinement motion traction, and an inertial confinement induced drilling device with a PDC drill. By means of the method for induced drilling by means of inertial confinement motion tra...  
WO/2019/014428A1
A method for drilling a wellbore with an offshore, riserless drilling system, the method includes pumping a drilling fluid from a drilling vessel down a first drillstring and into an annulus within a subterranean wellbore, pumping the dr...  
WO/2019/014142A1
A drill bit mounted on or integral to a mandrel on the distal end of a downhole motor directional assembly is provided. The drill bit is in a fixed circumferential relationship with the activating mechanism of one or more dynamic lateral...  
WO/2019/009911A1
Control valves can allow a well operator to steer a drill string. An exemplary control valve can include a valve body with an axial bore and a radial orifice in fluid communication with the axial bore, wherein flow passing through the ax...  
WO/2019/000037A1
A method of obtaining geological data pertaining to a bore hole that comprises supporting a ground drill and a separate geological instrument (30) on a vehicle (52), the instrument (30) being capable of acquiring geological data includin...  
WO/2019/005819A1
A method for generating an output of a downhole inertial measurement unit (IMU) includes: generating a trajectory between a plurality of survey points of a planned well data as a function of time, wherein the planned well data includes a...  
WO/2019/006108A1
Providing electric power distribution for fracturing operations comprising receiving, at a transport, electric power from a mobile source of electricity at a first voltage level and supplying, from the transport, the electric power to a ...  
WO/2019/006411A1
Various implementations directed to a continuous survey using magnetic sensors are provided. In one implementation, a method may include acquiring continuous survey data during an outrun data acquisition using a survey tool disposed with...  
WO/2019/002002A1
The invention relates to a system (10) for drilling a vertical well in the ground (S) along a substantially vertical theoretical drilling trajectory, comprising a drilling device (30) comprising a hollow core (32) having a longitudinal a...  
WO/2019/000033A1
The present invention provides a drill assembly (11) comprising a drill (13) for drilling rock, a support (15) for supporting the drill, and a valve (17) for releasably securing the support and drill together. The valve is adapted to rec...  
WO/2019/005709A1
A downhole steering system includes a substantially tubular housing, a shaft positioned within the substantially tubular housing, a first bearing and a second bearing, the first and second bearings being configured to support rotation of...  
WO/2019/004836A1
Disclosed is a drilling system for rock drilling with a drill string, wherein the drill string comprises at least one bendable drill pipe, the drilling system comprising at least two block and tackle systems for driving an end of the dri...  
WO/2019/001146A1
A vehicular guardrail drilling machine capable of folding a drilling rig, comprising a folding mechanism (5) arranged on a vehicle body (1) and used for folding a drilling rig (3) positioned outside of the vehicle body (1) to above the v...  
WO/2019/002436A1
A rotary steerable drill string (16) employs a drill bit (10) selected to positively contribute to underpressure in a preselected azimuthal segment of the borehole relative to an opposing azimuthal section. Generally, a high flow velocit...  
WO/2018/231244A1
A method comprising determining a property of a first section of drill pipe that is to connect a first agitator to a second agitator in a bottom hole assembly of a drill string, determining a distance between the first agitator and the s...  
WO/2018/231729A1
A dual gradient drilling system includes a subsea blowout preventer disposed above a wellhead, the subsea blowout preventer having a central lumen configured to provide access to a wellbore, a lower section of a marine riser fluidly conn...  
WO/2018/223421A1
Disclosed is pneumatic self-propelled ultrahigh-pressure-pulsed-jet auxiliary impacting rock-breaking equipment. An end cover is provided at the front end of a front-portion pressurized-water cavity (11); the tail end of the front-portio...  
WO/2018/222079A1
The invention relates to the field of pipeline construction by a horizontally directed drilling method. A drilling head comprises a housing provided with a front large end having a thread for connection of a drilling blade, a rear large ...  
WO/2018/218900A1
Disclosed is an anchor-bolt hole interior reamer used for mining. Said reamer comprises a reaming cutter, a sleeve (1), a push-pull rod (2), a drilling-rig connecting shaft (3), and a manual hydraulic jack (4); the push-pull rod (2) is c...  
WO/2018/218330A1
An apparatus including a housing defining a housing bore and a shaft extending within the housing bore. The shaft is deflectable and tiltable within the housing bore. The apparatus further includes a fulcrum for tiltably supporting the s...  
WO/2018/222394A1
A Rotary Steerable System (RSS) includes a flexible collar coupled therein or thereto that permits the stiffness of the RSS to be controlled and permits a desired turning radius to be achieved without sacrificing stability characteristic...  
WO/2018/216827A1
A device related to earthquake shock mitigation, according to one embodiment, comprises: a database unit for storing a map for a geological structure and information on each location on the map; and a determination unit, which searches t...  
WO/2018/213917A1
An inner lube plug for plugging a diamond drill hole, the plug assembly comprising a body component having proximal and distal ends; a compressible plunger component attached to the distal end of the body component by attachment means; a...  
WO/2018/215074A1
The abrasive suspension eroding system disclosed herein has an eroding unit (11), which can be lowered into an existing drilled hole (1), in order to generate a high-pressure erosion jet for the abrasive suspension eroding of material (6...  
WO/2018/218189A1
A bend adjustment assembly (300) for a downhole mud motor (35) includes a driveshaft housing (110), a driveshaft (120) disposed in the driveshaft housing, a bearing mandrel (220), wherein the bend adjustment assembly includes a first pos...  
WO/2018/212754A1
A directional drilling device for drilling a borehole having a borehole wall, the device including an outer housing and a driveshaft selectively rotatable with respect to the housing and including an axial flow bore and a through port fo...  
WO/2018/212776A1
A hybrid Rotary Steerable System (RSS) includes both exterior steering pads as in a push-the-bit system and, internal shaft pistons as in a point-the-bit system. The steering pads and the shaft pistons may cooperate to permit the RSS to ...  
WO/2018/213785A1
A drill string is comprised of a vibration damping drill pipe section, made of a material such as aluminum alloy, titanium, composite material, or ductile iron, for example, and another drill pipe section made of a different material, su...  
WO/2018/212873A1
A method and system for automatically controlling drilling weight-on-bit for using a drill-string to drill along a wellbore is described.  
WO/2018/210396A1
The invention relates to an advanced drilling device formed from an externally threaded cone and cylinder, the cylinder having a left-handed thread and the cone having a right-handed thread. The cylinder contains two motors joined togeth...  
WO/2018/212755A1
A directional drilling device for drilling a wellbore having a wall, the device including an outer housing, a driveshaft located at least partially within and selectively rotatable with respect to the outer housing. The device also inclu...  
WO/2018/212836A1
Methods, apparatus, and systems are provided for correcting, or at least adjusting, for drill pipe compression in a downhole operation in a wellbore. An exemplary method includes obtaining an indication of a first displacement, from a ba...  
WO/2018/208280A1
The disclosed embodiments include devices and methods to perform inversion processing of well log data. In one embodiment, a method to perform inversion processing of well log data includes obtaining an initial model of an earth formatio...  
WO/2018/204293A1
An integrated drilling rig machine is disclosed. An integrated power and electronics unit (IPEU) includes all components necessary to transmit power from a generator to rig machines such as a mud pump, drawworks, top drive, etc. A housin...  
WO/2018/203889A1
A support device may include an upper portion that has a first width and a base portion that has a second width. The support device may be sized to be positioned within a tubing string. The support device may be removable from the tubing...  
WO/2018/204644A1
A bit jet enhancement tool is provided, the system comprises two or more separate flow paths, each of the flow paths has multiple hollow chambers connected in series; each of the hollow chambers comprises a first constricted chamber with...  

Matches 1 - 50 out of 13,226