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Patent Searching and Data


Matches 251 - 300 out of 13,864

Document Document Title
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...  
WO/2019/199377A1
A coiled tubing assembly (136) includes coiled tubing (116) convey able into a wellbore, a rotational device (140) operatively coupled to the coiled tubing (116), a rotatable tubing segment (144) operatively coupled to the rotational dev...  
WO/2019/197786A1
The invention relates to a control device (8) designed to remotely control a boring accessory mounted on a support arm of a carrier machine, said control device (8) comprising a control housing (9) and an angle measurement device (15) co...  
WO/2019/195411A1
An improved centralizer is provided having a helical blade configuration with an improved geometry that reduces drag and friction forces as well as pressure build up as centralizers on strings are inserted into a borehole. An improved wr...  
WO/2019/194800A1
A whipstock is manufactured for a downhole assembly. A preform of the whipstock defines a face in an outer surface angling from a distal end of the preform toward a proximal end of the preform. A tubing blank disposed on the preform is f...  
WO/2019/190482A1
The disclosed embodiments relate to a rotary steering having a plurality of hydraulically actuated steering pad assemblies and a valve positioned between a primary flow channel of the rotary steering tool and an actuating piston of each ...  
WO/2019/190483A1
The disclosed embodiments include systems and methods to improve downhole drilling. A representative system may include a rotary steering tool having a plurality of hydraulically actuated steering pad assemblies, a fluid outlet, and a va...  
WO/2019/190484A1
The disclosed embodiments include systems and methods to improve downhole drilling. A representative system may include a geostationary portion (e.g. a valve assembly) and a turbine coupled to the geostationary portion to cause counter-r...  
WO/2019/190982A1
Examples of techniques for model-based parameter and state estimation for directional drilling in a wellbore operation are provided. In one example implementation according to aspects of the present disclosure, a computer-implemented met...  
WO/2019/184861A1
An adjustable roof bolter for high slope anchoring, comprising a traveling track (1), an inclination angle sensor (2), a visual sensor (3), an adjustment oil cylinder (4), a sliding guide rail (5), a lifting lug (6), an operating platfor...  
WO/2019/180598A1
Drilling machine (1) comprising: a supporting structure (3); a drilling string (12); a drilling head (11); a flexible tensile element (17); a moving device (21), mechanically connected to the supporting structure (3) and mechanically ass...  
WO/2019/175765A1
The drilling machine (1) comprises: - a machine body (2); - a drilling head (3) associated in a movable manner with the machine body (2) which is adapted to excavate in a ground (4) along a direction of drilling (A) provided with a subst...  
WO/2019/174691A1
A robotic apparatus (1) for performing drill floor operations comprises a support arrangement (2) and at least one manipulator arm (6). The at least one manipulator arm (6) is configured to carry an end effector (11) configured to manipu...  
WO/2019/178240A1
An automation system for a drilling rig includes a processor and a computer memory in communication with the processor and storing computer executable instructions, that when implemented by the processor cause the processor to perform fu...  
WO/2019/172779A1
In an example of a method of performing work in a well, a vessel is provided, a wellbore assembly such as a tool string is suspended on a first flexible elongate member from the vessel, and the wellbore assembly is used to perform work i...  
WO/2019/173840A1
An integrated well construction system (IWCS) operable for constructing a well via integrated control of integrated control devices (901, 911, 921, 931, 941, 951, 961, 971) that collectively control integrated subsystems of the IWCS. The...  
WO/2019/173841A1
An integrated well construction system (IWCS, 100) operable for constructing a well via integrated control of integrated control devices that collectively control integrated subsystems of the IWCS. The IWCS includes an IWCS communication...  
WO/2019/169734A1
Disclosed is an integrated apparatus and a method for long-distance downhole drilling and fracturing. The apparatus comprises a drill bit (06), a fracturing rod (05), a protective rod (04), a hole sealing rod (03), a high-pressure sealin...  
WO/2019/173842A1
An integrated well construction system (IWCS) operable for constructing a well via integrated control of integrated control devices that collectively control integrated subsystems of the IWCS. The IWCS includes an IWCS communication netw...  
WO/2019/164889A1
A casing section mill has a main body with cut-outs to accommodate casing section mill blades mounted thereon, and stabilizer inserts mounted in the cut-outs below the blades. The stabilizer inserts yield an outer diameter substantially ...  
WO/2019/165188A1
Systems and methods for penetrating a subterranean formation with a downhole laser assembly (22) include a laser generation unit (24) located within a subterranean well. The downhole laser assembly further includes a vortex tube (30). Th...  
WO/2019/164440A1
The present disclosure relates to a vehicular work machine (1 0) comprising a first electric motor arrangement (31 ) comprising one or more electric motors (21, 21 '), and a second electric motor arrangement (32) comprising one or more e...  
WO/2019/164647A1
A rotary steerable tool may include a tool body with an upper end and a lower end. Additionally, the tool body may include at least one steering assembly extending from the tool body and includes at least one steering actuator configured...  
WO/2019/160757A1
Systems and methods for installing pipe underground are disclosed. The system includes a pneumatic rammer configured to provide a percussive force to a section of pipe. The system also includes a main jacking frame coupled to the pneumat...  
WO/2019/160420A1
A semi-submersible drilling vessel has a deckbox structure, one or more pontoons, and multiple support columns extending upward from the one or more pontoons and supporting thereon the deckbox structure. An annular riser joints storage c...  
WO/2019/160562A1
A rotary steerable tool for directional drilling includes a tool body including a flowbore for flowing pressurized fluid therethrough and a plurality of extendable members movably coupled to the tool body for selectively engaging a boreh...  

Matches 251 - 300 out of 13,864