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Matches 51 - 100 out of 155,079

Document Document Title
WO/2021/242238A1
This disclosure presents systems to enable downhole bi-directional communications using a long length of fiber optic cable located within or partially within the internal diameter of a set of lower pipe segments and communicatively coupl...  
WO/2021/239245A1
A cable handling device (1) for a an underground mining drill rig (2), wherein the cable handling device (1) comprises a first feeding assembly (3) comprising a cable bending guide (4) and a first feeding device (5) configured to receive...  
WO/2021/242272A1
A method of servicing a wellbore in a formation comprising circulating in the wellbore a wellbore servicing fluid wherein an equivalent circulating density of the wellbore servicing fluid is from about 1% to about 15% greater than a frac...  
WO/2021/242910A2
A stage cementing system includes a stage cementing assembly having a stage tool. The stage tool has an outer mandrel, an inner mandrel coupled to and disposed inside of the outer mandrel, an annular chamber between the outer mandrel and...  
WO/2021/242669A1
A wellbore assembly includes a production string disposed inside a wellbore and a junk collector coupled to a downhole end of the production string. The junk collector has an upper rim defining an opening configured to receive wellbore j...  
WO/2021/239691A1
The invention relates to a milling tool, a milling unit, a milling device, and a method for removing a pipe laid in the ground. A milling tool (10) for removing a pipe (80) laid in the ground comprises a tool support (14) which can be ro...  
WO/2021/240121A1
A method of storing and/or extracting heat from a hydrocarbon well, at the same time as extracting hydrocarbon fluid from said well, comprises providing an underground heat exchanger in a borehole of said well; wherein said heat exchange...  
WO/2021/162713A8
Methods and compositions for treating subterranean formations to mitigate lost circulation are provided. The methods of the present disclosure include forming a treatment fluid including one or more geopolymer lost circulation materials;...  
WO/2021/242269A1
A system for injecting a tubing into a wellbore including a length of tubing; and an injector apparatus for disposing the length of tubing within a wellbore. The injector apparatus includes a pair of gripper chains where each gripper cha...  
WO/2021/238898A1
A method for remotely turning off a downhole unit from the surface applicable to a rotary steering system. The method comprises the following steps: a, calculating a difference in pressure P1 in front of and behind a water hole of a dril...  
WO/2021/239613A1
The present invention relates to an offshore vessel for performing offshore subsea wellbore related activities, for example for drilling a subsea wellbore. The offshore vessel comprises a drilling tower. The invention further relates to ...  
WO/2021/240063A1
A method for real-time monitoring of stress changes in an excavation (100), suchas in a mine or a tunnel comprises determining (410) strain data of the excava-tion by at least three strain measurement devices (15, 25; 15A-15C), whereinth...  
WO/2021/240228A1
An artificial neural network (ANN) system for predicting and optimizing well placement, productivities, and development includes: an ANN; computer hardware for building, training, using, and storing the ANN; and computer software for pro...  
WO/2021/242818A1
Systems and methods include a computer-implemented method can be used to make drilling tools from new wurtzite boron nitride (w-BN) superhard material. An ultra-high-pressure, high-temperature operation is performed on pure w-BN powder t...  
WO/2021/243362A1
A drill bit for cutting formation comprises a bit body, a plurality of cutters, and a plurality of blades with pockets to accommodate the cutters, respectively. Each of the plurality of cutters has a substrate, an ultra-hard layer, an in...  
WO/2021/242632A1
A test system for a pressure control equipment (PCE) stack includes a pump for directing fluid into the PCE stack, a drive for operating the pump to control fluid flow into the PCE stack, and a controller communicatively coupled to the d...  
WO/2021/243288A1
Embodiments disclosed herein relate to low-cost methods of producing a carbon foam through a partial solvent extraction process and sintering process carried out at atmospheric pressure. Given that the carbon foam is produced at atmosphe...  
WO/2021/242670A2
Tools and methods are described to measure dimensions of wellbores. Downhole caliper tools include a downhole collar and an uphole collar having a running position and a sensing position. The uphole collar is farther from the downhole co...  
WO/2021/242270A1
An electric submersible pump (ESP) assembly. The ESP assembly comprises an electric motor, a centrifugal pump, and a hybrid magnetic radial bearing, wherein the hybrid magnetic radial bearing is disposed inside the electric motor or disp...  
WO/2021/237268A1
Disclosed herein are a method and system for controlling a drill rig by utilising a drill control module. A drill control module for controlling functionality of a drill rig comprises: a processor; a storage medium for storing a computer...  
WO/2021/237442A1
A ground drilling robot, a tunnel forming method, and a coulter apparatus. Helical blades (221) are mounted on a drilling machine body of the ground drilling robot. Each helical blade (221) rotates about the axial direction thereof. Toge...  
WO/2021/242277A1
A method for determining a density may comprise disposing a nuclear density tool into a wellbore. The nuclear density tool may comprise a gamma source and a first gamma detector, wherein the first gamma detector and the gamma source are ...  
WO/2021/237912A1
A subsidence-restricted stoping method for a false mined-out layer (14) support formed in combination with the waste rock, relating to the technical field of prevention and control of mining engineering stoping and surface subsidence. Th...  
WO/2021/242274A1
Compositions and methods for using those compositions to at least partially stabilize subterranean formations are provided. In one embodiment, the methods include providing a treatment fluid including an aqueous base fluid and an additiv...  
WO/2021/242115A1
A downhole tool, for removing sections of metal tubing, said downhole tool comprising at least one conductive element being arranged to corrode a section of metal tubing using an electrolytic process, said conductive element being made o...  
WO/2021/242284A1
An electric submersible pump (ESP) assembly. The ESP assembly comprises an electric motor, a centrifugal pump, and a hybrid magnetic thrust bearing, wherein the hybrid magnetic thrust bearing is disposed inside the electric motor or disp...  
WO/2021/238754A1
A porous cylinder, a gas flow control valve, and a mounting method for the gas flow control valve. The porous cylinder (1) comprises multiple pipe bundles filled within a gas injection piping; inside the pipe bundles are respectively pro...  
WO/2021/240198A1
The method comprises: - feeding solid polymer particles and water to a dynamic mixer (56) having a rotor; - wetting and at least partially dissolving the solid polymer particles in water in the dynamic mixer (56) to produce a mother solu...  
WO/2021/242273A1
A method for processing a well data log may comprise adding one or more boundary areas to the well data log, dividing the well data log into one or more segments using the one or more boundary areas, processing each of the one or more se...  
WO/2021/242278A1
A nuclear density tool may comprise a gamma source, a gamma detector, wherein the gamma detector and the gamma source are disposed on a longitudinal axis of the nuclear density tool, and a housing, wherein the gamma source and the gamma ...  
WO/2021/239225A1
24 Abstract The invention relates to a drum cutter arrangement (10) for a carrier vehicle (1), the drum cutter arrangement (10) comprising: a main element (20) with a longitudinal extension (L); a first and a second rotatable cutting dru...  
WO/2021/236574A1
A diverter flowline seal has segments joined serially together to form the diverter flowline seal, which is shaped as a substantially continuous and uninterrupted path around the diverter. Each segment includes an elastomeric element tha...  
WO/2021/236131A1
An optical fiber has an optical fiber core for high-power laser transmission, an optical cladding surrounding the optical fiber core, and at least one harvesting cell disposed around the optical cladding, where the harvesting cell includ...  
WO/2021/232993A1
A novel polar drilling rig, comprising a main engine (1), which has a K-type derrick (11) and a box-on-box substructure (12); the main engine (1) is placed on a translation apparatus (2), the translating apparatus (2) is provided with mu...  
WO/2021/236123A1
A method for controlling a rotary steerable system (RSS) may comprise disposing the RSS into a borehole, storing a curvature for the borehole into an information handling system, storing one or more steering commands in the information h...  
WO/2021/236690A1
A method of increasing hydrocarbon recovery from a wellbore in a tight formation with greater breakdown pressures, the method including using hydro-jetting to effect a plurality of oriented cavities or discoidal grooves in the horizontal...  
WO/2021/236644A1
A drilling fluid shaker screen system includes a screen assembly that includes a screen including a plurality of screen sections. A first screen section includes a first screen mesh size and a second screen section includes a second scre...  
WO/2021/237092A1
Systems and methods presented herein include sidewall coring tool assemblies used to return core plugs of rock from a sidewall of a wellbore as part of a data collection exercise for exploration and production of hydrocarbons. A coring b...  
WO/2021/236095A1
A system includes a processor and a memory. The memory includes instructions that are executable by the processor to access training data of a modern feature of interest from direct observations, remotely determined data, or a combinatio...  
WO/2021/236114A1
Methods and compositions for treating subterranean formations with fluids containing lost circulation materials are provided. In one embodiment, the methods introducing a treatment fluid that includes a base fluid and a lost circulation ...  
WO/2021/232131A1
The present invention relates to a system for supporting the tensile load of the riser, this component having the essential function of supporting the riser, in which the mechanism for supporting the riser is an integral part of the uppe...  
WO/2021/234888A1
The purpose of the present invention is to provide a search device and a search method which can detect a buried object related to a social infrastructure facility in a space-saving manner and without interrupting work. According to th...  
WO/2021/237138A1
A pressure-energized bidirectional seal having a main body having a first end and a second end and a pair of legs extending from the second end of the main body, the pair of legs having an inner surface and an outer surface, the inner su...  
WO/2021/233781A1
The disclosure is directed to a process for treating a subterranean earth formation by introducing an acidizing treatment fluid comprising a monovalent salt of monochloroacetic acid into said subterranean earth formation in the presence ...  
WO/2021/236583A1
A disposable setting tool includes a housing having a first end, a second end, and an intermediate portion having an outer surface and an inner surface defining a passage. A piston assembly is arranged in the passage. The piston assembly...  
WO/2021/232905A1
A coal-terrestrial heat collaborative mining method based on a fault water conducting fissure zone, which fully utilizes a geothermal water collection zone (1) for coal-terrestrial heat collaborative mining. A heat energy exchange statio...  
WO/2021/232106A1
An excavation inspection and clearance method and system is provided. The method comprises: navigating the excavation with one or more autonomous agents; searching, using one or more sensors of the autonomous agents, for persons and/or e...  
WO/2021/236124A1
A method and system for a rotary steerable system (RSS). The method may comprise disposing the RSS into a borehole, identifying a failure from the one or more tracking measurements, the mechanical operation of the RSS, or the one or more...  
WO/2021/232709A1
A composite shock absorber for a PDC drill bit, comprising a drill body (1), an impact body (14), a disc spring group (4), a torsion bar spring (5), and an annular press sleeve (6). A drill bit vibration impact force is transferred betwe...  
WO/2021/236002A1
The present invention relates to an integrated raise caving mining method for mining deposits in rock mass comprising: developing at least one raise (102,102a-f,202,302a-g,402a-e) in the rock mass (10), developing a drawbell (100,100a-c,...  

Matches 51 - 100 out of 155,079