| Document |
Document Title |
|
WO/2020/030961A1 |
A laser tool (18) configured for downhole laser beam generation is operable within a wellbore (11). The laser tool includes a generator (20) to generate a laser beam. The generator (20) is configured to fit within the wellbore (11), to w...
|
|
WO/2020/030960A1 |
A laser tool (10) that operates within a wellbore (28) is configured to combine a purging medium and a laser beam. The laser tool includes an integrator (14) configured to receive the laser beam from a laser head and to combine the laser...
|
|
WO/2020/031075A1 |
A percussion device including an input side and an output side, the input side is configured to be rotationally driven and the output side is rotationally driven by the input side via a drive transmitter/drive transmitter pathway combina...
|
|
WO/2020/028298A1 |
A method for autonomous geosteering for a well-boring process uses a trained function approximating agent. A geological objective is determined. Then, using the trained function approximating agent, a sequence of control inputs is determ...
|
|
WO/2020/028305A1 |
A method of geosteering in a wellbore construction process uses an earth model that defines boundaries between formation layers and petrophysical properties of the formation layers in a subterranean formation. Sensor measurements related...
|
|
WO/2020/023994A1 |
A multiple drill assembly (10) comprises a mounting means (12), a carrier (14) and a connection means (16) between the mounting means (1)2 and the carrier (14). The carrier (14) comprises an elongated body (20) which carries multiple dri...
|
|
WO/2020/028302A1 |
A method of geosteering in a wellbore construction process uses an earth model that defines boundaries between formation layers and petrophysical properties of the formation layers in a subterranean formation. Sensor measurements related...
|
|
WO/2020/027848A1 |
A method to steer a drill bit of a rotary steerable system within a wellbore can include introducing the rotary steerable system into the wellbore. The method can further include establishing a magnetic model associated with the drill bi...
|
|
WO/2020/028359A1 |
An assembly for forming a lateral wellbore includes a mill having a bore and a plurality of blades; a whipstock having an inclined surface for guiding movement of the mill, the mill releasably connected to the whipstock; and a tubing dis...
|
|
WO/2020/018816A1 |
Disclosed is a bottomhole assembly (BHA) configured for use in directional drilling operations. The BHA includes a rotary steerable system, a flex shaft, a stabilizer, a bit box and a drill bit. The geometry of the BHA allows drilling op...
|
|
WO/2020/011111A1 |
A rotary steerable drilling system which is low cost, has a high build-up rate and has a high mechanical drilling speed, comprising a rotary steerable drilling tool (1), wherein an upper end of the rotary steerable drilling tool (1) is i...
|
|
WO/2020/009790A1 |
A mast assembly that includes a mast and a hydraulic circuit for moving the mast. The hydraulic circuit includes a primary hydraulic cylinder coupled to the mast to rotate the mast about a pivot axis and a secondary hydraulic cylinder ex...
|
|
WO/2020/010367A1 |
A dual-action hydraulically operable anchor includes a hydraulic anchor body for positioning a whipstock in a wellbore. A split clamp retains an upper sub and the hydraulic anchor body. A lower cap guides the hydraulic anchor within the ...
|
|
WO/2020/010297A1 |
A method for drilling includes obtaining formation-measurement pairings, training a machine-learning model using the formation-measurement pairings, receiving measurements obtained by a tool positioned in a well formed in a formation, an...
|
|
WO/2020/010283A1 |
A bi-mill mills an opening through a wellbore casing in a preplanned lateral drilling path in departure from the wellbore axis and through the wellbore casing or rock formation and in the direction of the drilling path. The bi-mill provi...
|
|
WO/2020/005297A1 |
A multilateral entry tool enables an operator to identify a target lateral wellbore, and efficiently guide a bottom hole assembly (BHA) into the target lateral for diagnostic, servicing or other wellbore operations. The multilateral entr...
|
|
WO/2020/004294A1 |
Provided is a cutter bit for a casing tube that demonstrates good excavation performance and that can adapt to both left and right rotation. This cutter bit 1 for a casing tube comprises a mount unit 2 which comprises two members 2a, 2b ...
|
|
WO/2020/006333A1 |
A downhole tool may include an anchor coupled to a first portion of the downhole tool and configured to engage with a feature of a wellbore to affix the first portion to the feature. The downhole tool may also include a linear actuator c...
|
|
WO/2020/003145A1 |
Drilling machine (100) of the single-pass type comprising: - a guide tower (130); - a string of drilling rods (60); - an extension element (1) having an upper end and a lower end, said lower end being coupled with an upper end of the str...
|
|
WO/2020/002936A1 |
A whipstock assembly (12) for use in deviating a wellbore (10) of a well is disclosed, the whipstock assembly comprising a whipstock (18) having an inclined deflection surface (20); a milling assembly (14) comprising a mill (16) for mill...
|
|
WO/2019/245545A1 |
A disclosed downhole drilling system may include a drill bit electrically coupled to a pulse-generating circuit to generate electrical arcs between first and second electrodes during pulsed drilling operations, a sensor to record respons...
|
|
WO/2019/241871A1 |
A battery, a battery container, and a battery pack, for use downhole in MWD operations, one or more of which incorporates lateral vibration damping. In a preferred embodiment each comprise specialized lateral vibration damping in the for...
|
|
WO/2019/245539A1 |
Rotary steerable drilling systems are subjected to harsh environments including high temperature and pressure. A metallic seal ring prevents or limits erosive wear by limiting the velocity of the fluid that traversers from the high press...
|
|
WO/2019/245541A1 |
A downhole drilling system is disclosed. The downhole drilling system may include a pulse-generating circuit; a drill bit including a first and second electrode electrically coupled to the pulse generating circuit to receive an electrica...
|
|
WO/2019/245544A1 |
A downhole drilling system is disclosed. The downhole drilling system may include a pulse-generating circuit, a drill bit including a first pair of electrodes electrically coupled to the pulse-generating circuit to receive a first electr...
|
|
WO/2019/240971A1 |
A method for drilling a subterranean wellbore includes rotating a drill string in the subterranean wellbore. The drill string includes a drill collar, a drill bit, and survey sensors (e.g., a triaxial accelerometer set and a triaxial mag...
|
|
WO/2019/241243A1 |
A system and method are provided to detect and avoid wellbore collision. The method may include receiving, by a processor, a path of a proposed wellbore. The processor then receives a boundary surrounding the path of the proposed wellbor...
|
|
WO/2019/236288A1 |
An apparatus and method for blowout preventer (BOP) control. The apparatus may include a first control station communicatively connected with and operable to control BOP equipment for controlling pressure within a wellbore at an oil and ...
|
|
WO/2019/232605A1 |
The present invention provides a system for coupling between a bend stiffener (1) and a bell mouth (2) comprising a plurality of locking mechanisms (3), wherein each locking mechanism (3) is secured externally to the bell mouth (2) and c...
|
|
WO/2019/234519A1 |
A guide shoe (1), adapted for connection to an end of a tubular for deployment in a wellbore of an oil, gas, or water well, includes: a body (10) having an axis (2) and being adapted for connection to the tubular such that torque can be ...
|
|
WO/2019/232516A1 |
Methods and apparatus for including obtaining raw surface data for present values of torque (T TD ) generated by a top drive operably coupled with a drillstring, obtaining raw surface data for present values of rotational speed (ω) of t...
|
|
WO/2019/229645A1 |
Drilling machine (1) comprising: a main body, a mast (5), whereon a drilling tool is to be mounted, a kinematic mechanism (2) configured for movably constraining the mast (5) to the main body while allowing mutual rotation thereof, where...
|
|
WO/2019/232085A1 |
The disclosure relates to embodiments of horizontal directional drilling equipment and methods for horizontal directional drilling techniques including a reamer head comprising a frustoconical body, wherein the frustoconical body defines...
|
|
WO/2019/226913A1 |
An apparatus is configured for undersea use, such as for penetrating a seabed for forming a borehole therein, including with optional data acquisition and logging capabilities. A first or base module (12) of the apparatus is adapted for ...
|
|
WO/2019/220198A1 |
An example laser tool (30) is configured to operate within a wellbore (4) of a hydrocarbon-bearing rock formation. The tool (30) includes one or more optical transmission media (20). The one or more optical transmission media (20) are pa...
|
|
WO/2019/222720A1 |
A method includes providing a Bottom Hole Assembly (BHA) in a wellbore. The BHA includes a rotary steerable system and a downhole attitude correction and control system. The downhole correction and control system includes a first sensor ...
|
|
WO/2019/222686A2 |
Multiport valve with outlets transverse to the inlet useful as a coker switch valve. A sealed lower sleeve assembly provides semi-trunnion ball support. An upper part of the outlet seat recesses is formed in the bonnet, and a lower part ...
|
|
WO/2019/220468A1 |
A "Riser Concept" Method and Apparatus includes the bottom-up construction of vertical risers from underground passes through the soil, using a pipe jacking equipment. The pipe jacking equipment vertically push the riser pipe from underg...
|
|
WO/2019/217149A1 |
Disclosed herd» is a pressure competition aystem for a bottom hole assembly, The disclosed pressure compensation system, improves the responsiveness of a hydraulically actuated component carried by the bottom hole assembly.
|
|
WO/2019/213739A1 |
A novel method for the placement of spearhead acid and stimulation of a hydrocarbon -bearing formation, said method comprising the steps of: providing a wellbore in need of multiple stages of stimulation; inserting an isolation plug in t...
|
|
WO/2019/211655A1 |
An example drilling system includes a rotary steerable system (RSS) having an inner shaft configured to rotate during drilling performed by the drilling system. One or more sensors are associated with the inner shaft to obtain one or mor...
|
|
WO/2019/205517A1 |
The invention discloses a coalbed methane horizontal well hole collapse cave-building pressure relief developing system and method. An inlet of an abrasive mixing device (6) in the system separately is communicated with a liquid storage ...
|
|
WO/2019/210329A1 |
A downhole motor includes a driveshaft assembly including a driveshaft housing and a driveshaft rotatably disposed within the driveshaft housing, and a bearing assembly including a bearing housing and a bearing mandrel rotatably disposed...
|
|
WO/2019/207045A1 |
The invention relates to a melting head (1) for an ice melting apparatus (1, 8) comprising a rear, in relation to the propagation direction, attachment region (4) for attaching to a drilling apparatus (8) or a drilling rod assembly, and ...
|
|
WO/2019/209766A1 |
A drilling system includes a drill string, a plurality of sensors, and a computing system. The drill string includes a downhole motor. The sensors are coupled to the drill string. The computing system is coupled to the sensors. The compu...
|
|
WO/2019/205516A1 |
The invention relates to the field of coal seam gas extraction. Disclosed is a system for extracting gas from a tectonically-deformed coal seam in-situ by depressurizing a horizontal well cavity. The system comprises a horizontal well (1...
|
|
WO/2019/209124A1 |
The invention relates to a dual electrohydraulic vehicle for use in the stages of tunnelling and roof reinforcement in underground mining. The vehicle comprises two electrohydraulic systems, one for face drilling and another for rock sup...
|
|
WO/2019/205515A1 |
The invention relates to the field of coal seam gas extraction. Disclosed is a method of extracting gas from a tectonically-deformed coal seam in-situ by depressurizing a horizontal well cavity. A horizontal well drilling and reaming sub...
|
|
WO/2019/202549A1 |
This disclosure relates to an articulated support for mast devices of drilling machines, as well as a relative drilling machine, which allows to rotate the mast device by even more than 90° from one side to the other with respect to a d...
|
|
WO/2019/196184A1 |
Disclosed in the present invention is a horizontal geological sampling drilling tool able to be carried by a remotely operated underwater vehicle (ROV), comprising a connecting base, a hydraulic motor, a transmission unit, and a drilling...
|
