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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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.
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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WO/2018/204428A1 |
An actuator assembly for a drilling rig includes a cradle actuator coupled to a substructure of a rig, and an actuator bracket having a first end pivotally coupled to the substructure. The actuator bracket is coupled to the cradle actuat...
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WO/2018/192701A1 |
The invention relates to a drilling device and a method for producing a drill hole in the ground, comprising: an auger (22), which can be rotationally driven and which has at least one drill flighting (24), which runs along a central hol...
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WO/2018/194575A1 |
This disclosure provides an agitator system that includes an agitator assembly of concentric power-sections, (one power-section inside another power-section both of which comprise stators and rotors). The agitator system includes a contr...
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WO/2018/191127A1 |
An apparatus (50) is directed relative to geomagnetic and gravitational fields of reference while advancing with rotation in a borehole (12) by determining angular position of the apparatus during the rotation and correcting the angular ...
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WO/2018/184916A1 |
The invention relates to an apparatus for controlling one or more booms of a mine vehicle. The invention further relates to a mine vehicle, method and computer program product. The apparatus comprises a control unit (CU) provided with a ...
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WO/2018/187397A1 |
A steering assembly configured for disposal above a drill head, forming a cylinder with top and bottom surfaces and having an under-gauge peripheral section and an over-gauge peripheral section substantially opposing the under-gauge peri...
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WO/2018/187765A1 |
A pressure pulse tool includes a tool housing, a valve disposed in the housing and having first and second valve components that are each rotatable relative to the housing and that cooperate to open and close a fluid flow path through th...
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WO/2018/186828A1 |
A downhole drilling system is disclosed. The downhole drilling system may include a pulse-generating circuit electrically coupled to a power source configured to provide an alternating current at a frequency and an input voltage, the pul...
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WO/2018/183499A1 |
A system for generating pressure pulses in drilling fluid includes a concentric drive power section. The power section includes a stator and a rotor rotatably disposed in the stator. The rotor is coaxially aligned with the stator. The sy...
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WO/2018/182870A1 |
Described is a system for adaptive calibration of a sensor of an inertial measurement unit. Following each sensor measurement, the system performs automatic calibration of a multi-axis sensor. A reliability of a current calibration is as...
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WO/2018/174987A1 |
A wellbore completion comprises a borehole extending into a subterranean formation, a first portion of the borehole disposed within at least one production zone of the subterranean formation, and one or more completion zones within the f...
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WO/2018/174718A1 |
A method is described for making an opening (100) through a casing pipe (12) in a well (10) in which equipment is tipped to cut out the opening and cut out pieces from the pipe wall are captured, and also that a drill wedge is fitted in ...
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WO/2018/175394A1 |
A wellbore is drilled in a formation using a drill string assembly DSA (100) that includes a drill string (114). A drill bit (116) is connected to a downhole end of the drill string (114). A notching tool (104) is connected to the drill ...
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WO/2018/175920A1 |
A radiator (RAD) enhanced geothermal system (EGS) may comprise a radiator vane heat exchanger (RVHE). The RVHE may be configured to be located in a plane defined by an injector well and a production well that is defined by a principal st...
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WO/2018/172529A1 |
A method for providing a deck surface on an offshore drilling rig (10) comprising installing a modular deck structure (42) comprising a plurality of deck modules (43a, 43b) over at least a portion of a vertical riser storage bay (32) pro...
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WO/2018/170266A1 |
Methods are disclosed for refurbishing an existing host pipe. According to presently preferred embodiments, a first phase is to make a longitudinal cut in the host pipe. A second phase is an expansion phase, wherein the host pipe is expa...
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WO/2018/165734A1 |
A radial bearing for transmitting a radial load, including a first radial bearing component having an inner surface defining a bore and a second radial bearing component received within the bore of the first radial bearing component and ...
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WO/2018/170051A1 |
A method for treating a hydrocarbon bearing formation bounded by at least one nonbearing formation comprises inserting a tubular into a wellbore formed in the hydrocarbon bearing formation. The tubular defines proximal and distal ends an...
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WO/2018/164347A1 |
The present invention relates to a drilling apparatus for constructing a jacket of marine equipment and a drilling method using the same, the apparatus having a crushed material storage unit for storing crushed materials generated during...
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WO/2018/164593A1 |
The device is equipped with a forming arm (2) comprising modular working segments (2a, 2b) with supply channels (33) for feeding concrete mortar through a supply manifold (35) and outlet openings (24) in the segments rear wall to space h...
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WO/2018/165461A1 |
The present disclosure generally relates to an apparatus for storing, treating, and making up of various drilling fluids onboard a dynamically positioned vessel, such as a barge, boat, or shop. In particular, the present disclosure relat...
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WO/2018/164687A1 |
Provided is an adjustable split thrust ring and a drilling system including the same. The adjustable split thrust ring, in one embodiment, includes a downhole split ring including two or more separate downhole pieces, the two or more sep...
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WO/2018/164855A1 |
A drilling assembly on a drillstring deviates (i.e., changes the trajectory of) a borehole advanced by a drill bit. A housing disposed on the drillstring transfers first rotation to the drill bit, and directors are disposed on the housin...
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WO/2018/164685A1 |
Provided is an adjustable split thrust ring and a drilling system including the same. The adjustable split thrust ring, in one embodiment, includes a downhole split ring including two or more separate downhole pieces, the two or more sep...
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WO/2018/160464A1 |
A rotary steerable drilling system includes a collar, a drill bit, and a bit shaft connecting the drill bit to the collar. The bit shaft is coupled to the collar through a joint capable of transmitting a torque from the collar to the bit...
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WO/2018/157218A1 |
The invention refers to a continuous wedging tool for directional diamond drilling, employed in geological prospecting. It comprises a composite stator assembly (1) with a bearing seated composite rotor assembly (2) ending in a drill bit...
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WO/2018/158627A1 |
An adjustable drilling motor includes a center housing having a connection at each longitudinal end for coupling to a respective bent sub. The connections each subtend a same angle from a centerline of the center housing. The angles are ...
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