Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 13,866

Document Document Title
WO/2021/181148A1
An example laser tool (30) is configured to operate within a wellbore (4) of a hydrocarbon-bearing rock formation (2). The laser tool (30) includes one or more optical transmission media as part of an optical path originating at a laser ...  
WO/2021/180392A1
The invention relates to a ground working device for creating a substantially vertically extending hole in the ground, which hole is provided with a supporting fluid, said ground working device having a main body, a connection device whi...  
WO/2021/180868A1
The invention relates to a semi-submersible drilling vessel, comprising a deck box structure supported via multiple support columns on one or more pontoons, and a drilling installation. The vessel is provided with a positioning system co...  
WO/2021/183670A1
Systems, methods, and devices for controlling the operation of an industrial machine (e.g., a drill) based on a determined attribute of a pipe. A sensor is configured to generate an output signal related to a characteristic of the pipe. ...  
WO/2021/178342A1
A system and method of generating a wellbore layout are disclosed herein. A computing system receives, from a client device, one or more parameters associated with a target location for the target wellbore layout. The computing system re...  
WO/2021/174732A1
Disclosed are an actuating mechanism for a rotary guide device and a rotary guide device using same. The actuating mechanism comprises a driving valve element (1), a driven valve element (2), a first cavity (3), a second cavity (4) and a...  
WO/2021/177836A1
A work platform (10) for use in well operations, the work platform (10) being configured for positioning above a well pipe (15), the work platform (10) having a support frame (12), a support tool (13) arranged on the support frame (12), ...  
WO/2021/174166A1
System and method for conducting enhanced oil recovery by establishing a plurality of stacked, alternating slugs of gas and liquid travelling downhole into a subterranean well. The system can include a buffer tank including a liquid inle...  
WO/2021/161074A1
A matrix stimulation tool includes a cylindrical tube (24), a piston (30) disposed within the cylindrical tube and longitudinally moveable within the cylindrical tube, and one or more hollow tubes (33) coupled to the piston, the ends of ...  
WO/2021/162885A1
A drilling detection system (104) may include a drilling detection circuitry including one or more detection processors (300) configured to receive a vibration signal (124) indicative of vibration associated with a drilling machine (102)...  
WO/2021/156049A1
The invention relates to a downhole drill for creating a borehole in the ground, having a drill head for removing ground material; a drill string, to the bottom end of which the drill head is attached; a rotary drive device for rotatingl...  
WO/2021/154361A1
A method includes receiving a drilling parameter, a tool characterization parameter, and a formation model. The method includes generating a forward model of a tool response at a bed boundary using the one drilling parameter, the tool ch...  
WO/2021/154294A1
A method for controlling a drilling trajectory of a wellbore includes computing a position and attitude of a drill bit within a wellbore. The method further includes computing a wellbore trajectory error between (i) the position of the d...  
WO/2021/154819A1
A method of installing one or more anchors in an underwater substrate in a body of water including installing an anchor into the underwater substrate by rotating an anchor installation vehicle about a central axis Y to drive the anchor c...  
WO/2021/154249A1
A method for controlling a drilling trajectory of a wellbore includes receiving a target trajectory reference of a drill bit within a wellbore from a formation model. The method also includes receiving real-time formation evaluation meas...  
WO/2021/151189A1
A drilling apparatus connectable with a drill pipe and connectable with a drilling assembly comprising a drilling assembly housing, for use in drilling a borehole, including a rotation restraining device actuatable between a retracted po...  
WO/2021/151051A1
Material removal systems including milling drum and milling-drumless products, systems, manufactures, and methods for removing material, such as concrete or asphalt, or industrial flowing applications may be augmented with manufactures t...  
WO/2021/146389A1
A pitch data processing system of a horizontal directional drilling system can include a sonde, an offset and range calibration unit, a pitch speed limiter, and a low pass filter. The sonde can include an accelerometer configured to meas...  
WO/2021/141899A1
A pressure pulse system includes a stator, a rotor rotatably positioned in the stator, and a valve assembly configured to induce a pressure pulse in response to rotation of the rotor within the stator, wherein the valve assembly includes...  
WO/2021/137866A1
Aspects of the disclosed technology provide techniques for determining frictional forces bearing on a downhole drill string. In some implementations, a method of the disclosed technology can include steps for segmenting a plurality of co...  
WO/2021/133648A1
A method for estimating a rate of penetration while drilling a subterranean wellbore includes estimating a first rate of penetration while drilling using a first measurement method, estimating a second rate of penetration while drilling ...  
WO/2021/127855A1
A double-layer continuous pipe double-gradient drilling system. On the basis of conventional drilling equipment, said system comprises a double-layer continuous pipe system, an isolation liquid, a downhole lifting pump system, a throttli...  
WO/2021/127599A1
A vibration damping device for use with downhole electronics may comprise: a device housing mechanically coupled to the downhole electronics and defining a receptacle; and an inertia element movably supported in the receptacle; wherein t...  
WO/2021/121845A1
A positioning apparatus, rock drilling rig and method for positioning. The apparatus (8) is for assisting positioning of a mining work device of a rock drilling rig (1) when drilling drill holes (13). The apparatus is an optical device m...  
WO/2021/119785A1
The present invention relates to the optimization of the processes relating to the activities performed by Onshore Production Rigs simplified with the placing of loads on wheels. The use of the equipment on a single board, called a Compa...  
WO/2021/127597A1
A vibration damping device for use with a downhole tool having a tool axis may comprise a device housing mechanically coupled to the downhole tool, wherein the device housing defines a receptacle having a volume and an inner surface; an ...  
WO/2021/126909A1
A drilling motor system for drilling a subterranean well includes a stator tube, the stator tube being an elongated tubular member with a central stator bore. A stator elastomer layer is located within the central stator bore, lining a w...  
WO/2021/112919A1
A rotor catch system includes a catch stem having a proximal end coupled to a rotor of a mud motor system and a distal end positioned within a sub housing of a drill string, a catch feature having a top portion and a spindle portion exte...  
WO/2021/113220A1
A method and device for drilling a lateral wellbore off of a main wellbore. The device includes a guide tube for guiding a drill string to a selected location in a wellbore, the guide tube configured to support a whipstock. One or more s...  
WO/2021/107846A1
A battery compartment battery lock mechanism (700) comprising a locking member (710) rotatably supported on a shaft (720) and comprising a leading edge portion (750) arranged to enter a recess (760) formed in a battery (220) to lock the ...  
WO/2021/102829A1
A borehole wall protection assembly (100), a borehole wall protection device (200) comprising the same, and a borehole wall protection method. The borehole wall protection assembly (100) is used together with a drilling tool (60). The bo...  
WO/2021/107771A1
A subsea vertical drilling machine is disclosed, having: - a drill assembly formed by: a riser pipe having a first end, a second end, and a length extending between the first and second ends; and a drilling machine body, including a dril...  
WO/2021/108251A1
A hard facing is preferably accomplished with laser clad beads applied to horizontal directional drilling (HDD) component(s). These components may be subject to recirculating fluid regions associated to stepped geometries along a drill s...  
WO/2021/103768A1
A hole-drilling mechanical arm. The center of a rotating base (9) serves as a circle center, the mechanical arm serves as a radius, and height determination is performed in a circle-drawing mode, ensuring the perpendicularity of the hole...  
WO/2021/108301A1
The present disclosure relates to a friction reduction tool having a housing for connecting the friction reduction tool to a drill string or coiled tubing; a force converter within the housing and having a stator, a helical rotor, and a ...  
WO/2021/101579A1
A sidetracking assembly employs a running tool for engaging the whipstock and providing structural support and fluid communication through the running tool. A cement tube operates in selective fluid communication with the running tool bo...  
WO/2021/097972A1
Disclosed is a drill bit providing a combined effect of an induced load and an abrasive jet. The drill bit utilizes an outer annular drill bit (2) for pilot bore rock breaking, utilizes a center drill bit (3) mounted at the middle of the...  
WO/2021/097198A1
A directional tool and method of surveying a wellbore with the directional tool in a borehole string. A first sensor of the directional tool is disposed in a non-homogeneous ambient magnetic field. A first applied magnetic field is appli...  
WO/2021/097236A1
Systems for forming or extending a tunnel or shaft within a working surface may include a ram accelerator assembly for accelerating a projectile into geologic material to weaken a region of the geologic material. A cutting tool may then ...  
WO/2021/094580A1
It is disclosed a satellite well structure (300) and method for expanding a subsea satellite well system. The subsea satellite well structure (300) comprising: - a seabed-based foundation (330) supporting a subsea wellhead (340); - a fir...  
WO/2021/092544A1
Methods, systems, and apparatus for imparting and limiting hypocycloidal, lateral, and torsional forces onto drill bits are provided, including hypocycloidal bearings for limiting hypocycloidal motion, lateral impulse mechanisms for impa...  
WO/2021/088349A1
A method for excavating a tunnel shaft (1), by drilling a number of holes I (2) with smaller diameters, it is possible to predict groundwater and bad geology etc. in advance, which is convenient for confirming the degree of coincidence o...  
WO/2021/081592A1
The invention provides an apparatus and method for preventing surrounding loose rock fragments from falling or collapsing into a bore hole during drilling and immediately after removal of a drill string from the bore hole. The apparatus ...  
WO/2021/087347A1
A downhole mud motor includes a driveshaft housing, a driveshaft rotatably disposed in the driveshaft housing, a bearing mandrel coupled to the driveshaft, and a bend adjustment assembly including a first position, wherein the bend adjus...  
WO/2021/077155A1
Provided is an underground development drill return system (10) comprising a front limit sensor (12) and front sensor actuator (14) each configured for operative mounting at opposite ends of a forward drill feeder length (16) of a drilli...  
WO/2021/078993A1
The invention is related a floating mobile offshore drilling and a method of controlling a process automation system thereon. The floating mobile offshore drilling rig comprising a wave prediction system, a movement predictor unit, a pro...  
WO/2021/076133A1
A fluidic oscillator includes a vortex chamber in fluid communication with a flow volume, an outlet, a first control port, and a second control port. The flow volume is defined by a first wall and a second wall. The first wall and the se...  
WO/2021/076481A1
Systems/methods of identifying critical spare parts for equipment aboard a MODU employ a quantitative approach that also accounts for failure probability and potential consequences of a decision whether to stock a spare part. This approa...  
WO/2021/072569A1
A method for dealing with the locking in a hole of a traction pipe of a non-flat excavation horizontal directional drill and a sleeve device. The sleeve device comprises a drill rod connecting device (3), a device (1) separating attachme...  
WO/2021/069694A1
The invention relates to variation of concentrations of abrasive particles (92) in a stream (90) of drilling fluid mixed with abrasive particles, passed as an abrasive jet through abrasive nozzle(s) of a drill bit (10) along rotations th...  

Matches 1 - 50 out of 13,866