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Matches 1,401 - 1,450 out of 116,827

Document Document Title
WO/2023/146550A1
Certain exemplary embodiments can provide a method, which comprises coupling an extractor to a drill head. The extractor comprises a rod with a threaded end. The drill head defines a threaded aperture that engages with the threaded end o...  
WO/2023/147286A1
A fishing jar includes an outer housing, a mandrel positioned at least partially within the outer housing and having a fish end, an anvil coupled to or integral with the mandrel, a hammer coupled to or integral with the outer housing, an...  
WO/2023/146432A1
The utility model relates to measuring technology, and more particularly to a device for determining the pressure and temperature of a medium in a well, and can be used for determining physical parameters in a well. The technical result ...  
WO/2023/142654A1
A large-deformation and constant-resistance support grouting anchor cable, that is, a grouting NPR anchor cable, comprising: an anchor cable body, wherein a tail end of the anchor cable body is provided with an anchoring section (18) use...  
WO/2023/146552A1
A method for distributed acoustic sensing includes sending a first optical pulse down an optical fiber, wherein light from the first optical pulse is backscattered from positions along a length of the optical fiber according to coherent ...  
WO/2023/146728A1
A washpipe assembly for a rotational device includes a gland assembly, a washpipe positioned within the gland assembly, and a seal assembly positioned about the washpipe within the gland assembly. The seal assembly includes a plurality o...  
WO/2023/142553A1
Disclosed is a system for exploiting marine natural gas hydrate resources, the system comprising a vertical well. The vertical well comprises a casing (9), wherein the casing (9) is configured to penetrate a seawater layer (1) and a hydr...  
WO/2023/144377A1
A drilling component (200) comprising a first end portion (260) configured to be arranged to face the a first section of a drill string, wherein the first end portion (260) comprises a first interconnecting portion (210) configured to en...  
WO/2023/147203A1
The present invention refers to a roof support unit (10) for a mining machine, particularly for a longwall mining system, comprising a support canopy (14) which is supported on a base (16) via at least one damper unit (18) and at least o...  
WO/2023/144518A1
An apparatus is provided for controlling a downhole device in an oil, gas or water well. The apparatus comprising: an outer body (10), defining a central cavity (11) extending along a longitudinal axis of the outer body; a first piston a...  
WO/2023/147040A1
A centrifuge system includes an inlet fluid conduit to receive a flow of raw fluid, an outlet fluid conduit to receive a flow of effluent fluid, an effluent sensor to determine a density of the effluent fluid, a centrifuge including an i...  
WO/2023/144184A1
The invention relates to a device for sinking a shaft, comprising at least one excavating device for excavating rock at a shaft bottom, wherein the at least one excavating device has at least one excavating tool, which is disposed on at ...  
WO/2023/141732A1
The invention relates to a protective casing (1) with self-adjusting height, for protecting monitoring sensors (3) for monitoring wear elements (6), said casing having a structural design and materials that significantly hinder heat flow...  
WO/2023/142542A1
Disclosed is a drilling apparatus for geotechnical engineering investigation, comprising an outer supporting ring seat (1). The center of the outer supporting ring seat is rotatably connected to a middle supporting ring seat (2) by means...  
WO/2023/142235A1
Disclosed in the present application are a pressurizing device and a rotary drilling rig. The pressurizing device comprises a winding mechanism configured to wind a steel wire rope, the end of the steel wire rope that is away from the wi...  
WO/2023/145095A1
This water sampling device comprises: an ice wall forming part which heats within a piece of ground and forms an ice wall from ice that includes water contained in the piece of ground; and a water sampling part which collects a first gas...  
WO/2023/142254A1
A walking-beam pumping unit, comprising: supports (201, 202); a walking beam (3) arranged above the supports, wherein a middle portion of the walking beam and the supports form a first pivot connection having a first pivot center (2), a ...  
WO/2023/142303A1
A combined mining method for an underground mine, comprising: constructing a hanging-wall strike drift (10) on an ore body hanging wall, constructing a foot-wall strike drift (1) on an ore body foot wall, constructing a hanging-wall cros...  
WO/2023/146556A1
A gravel pack system has a heel section and a toe section that is downhole from the heel section. The system also includes a conveyance having an interior passageway for fluid flow to the toe section, a closing sleeve that forms an annul...  
WO/2023/142778A1
An occupational safety type waist protection belt, which comprises: a waist protection structure (1), which is used for wrapping around the waist and abdomen area of a user; a waist pad structure (2), which is arranged at an inner side o...  
WO/2023/146448A1
A shear-off device for a train coupler comprising a safety ring (2) having an inner periphery (7) formed with a thread (8) for threaded engagement, and further comprising a radially inwards depending shear flange (9), the shear flange (9...  
WO/2023/146554A1
A method and system for estimating a wellbore curvature. The method may include disposing a rotary steerable system (RSS) into a borehole, storing a real-time curvature estimation for the borehole in an information handling system, where...  
WO/2023/146535A1
A method is provided. Cells of a digital model of a formation are classified corresponding with one or more classes based on minerals and/or pore sizes. Wettability of the formation in the digital model is calibrated based on imbibition ...  
WO/2023/147409A1
A system includes a rotating control device housing including at least one passive sealing element, and a double cavity active housing disposed above the rotating control device housing. The double cavity active housing is configured to ...  
WO/2023/146678A1
A method includes detecting, via first and second receivers of a tool that are oriented at a first and a third tilt angle, respectively, a first and second measurement of a first signal transmitted by a transmitter of the tool that is or...  
WO/2023/146541A1
A telemetry system includes a downhole device configured to generate modulated pressure pulses in drilling fluid within a drill string, first and second transducers configured provide first and second telemetry signals, respectively, res...  
WO/2023/141117A1
Provided is a whipstock, a well system, and a method. The whipstock, in at least one aspect, includes a whipface having an angled casing string exit surface, a sub detachably coupled to the whipface, and a bottom hole assembly fixedly co...  
WO/2023/138386A1
The present application relates to the technical field of operation machinery. Provided is a guide rod type grab. The guide rod type grab comprises: a guide frame provided with a through hole; reels which are rotatably connected to the g...  
WO/2023/141186A1
Examples described herein provide for modeling acid flow for acid stimulation of a formation. An example method includes receiving data about the acid stimulation. The method further includes modeling, by applying the data about the acid...  
WO/2023/141411A1
Provided is a cemented carbide composition that includes a carbide phase including reclaimed carbide material in an amount of greater than 70 wt.% of the cemented carbide composition. The cemented carbide composition further includes a b...  
WO/2023/138905A1
A downhole heating method comprises locating a heater (30) in a fluid-filled downhole bore (34), activating the heater (30) to heat the bore and the fluid therein (36), and restricting or disrupting convection-induced flow of the heated ...  
WO/2023/141239A1
A horizontal boring rig that may be used for the excavation of horizontal bores in soil or other substrates without the use of tracks or other supporting equipment. The boring rig may include a hydraulic motor or other powered device for...  
WO/2023/137833A1
The present application relates to the technical field of construction apparatuses, and provides a pressurizing device and a rotary drilling rig. The pressurizing device comprises: a first hydraulic cylinder, having a fixed end configure...  
WO/2023/141400A1
A wellbore system includes a lock ring forming at least a portion of a sealing assembly, the lock ring being coupled to and axially lower than one or more components of the sealing assembly to be positioned within an annulus. The wellbor...  
WO/2023/140843A1
The disclosure presents processes that utilize collected resistivity data, for example, from an ultra-deep resistivity tool located downhole a borehole. In some aspects, each slice of resistivity data can generate multiple distribution c...  
WO/2023/141252A1
Method for obtaining a directional survey in a rotating downhole component include acquiring and generating, while rotating, sets of raw data having 3-axis magnetic field data and 3-axis gravity field data. A set of rotationally-invarian...  
WO/2023/140738A1
A clamp device and a method of connecting such a clamp device onto a cylindrical element (1 ). The clamp device comprises an inner member (10; 30) having an inner surface (12; 32) for releasable contact with a portion of the outer surfac...  
WO/2023/140740A1
The present invention relates to a. new method for storing CO2 in the form of naturally bound carbon over a long period of time. More specifically the invention relates to a method for storing organic material in bogs to reduce CO2 in th...  
WO/2023/138068A1
A hydroelectric linkage method and system, a readable storage medium, and a heading machine. The hydroelectric linkage method is applicable to a heading machine (600), and comprises: obtaining a first spraying parameter of a first sprayi...  
WO/2023/137795A1
The present invention relates to the technical field of the drilling industry. Disclosed are a ground-to-downhole communication method and system. The system comprises: a ground instruction mechanism, a control mechanism, a downhole syst...  
WO/2023/140728A1
A skidding system (1) for skidding a heavy load (3) over a deck (2) of a vessel comprises a skid shoe (5) guided on a skid rail (4) and a hydraulic cylinder (4) to cooperate with the skid shoe (5) and the load (3) to be displaced. The hy...  
WO/2023/141122A1
Provided is a lateral locating assembly, a well system, and a method. The lateral locating assembly, in at least one aspect, includes a tubular, as well as a bendable deflection tip coupled to the tubular, the bendable deflection tip con...  
WO/2023/140872A1
A downhole sensor position adjustment device on a downhole sensor assembly comprising a set of centralizers and a sensor array coupled to an adjustable framework radially positionable by an actuator. The actuator includes an extend-retra...  
WO/2023/137980A1
A multi-winding motor driving system of the present invention comprises a motor and a power unit. The motor has a plurality of mutually independent windings. The power unit comprises a rectification unit and a plurality of inversion unit...  
WO/2023/140845A1
The disclosure presents processes that utilize collected resistivity data, for example, from an ultra-deep resistivity tool located downhole a borehole. In some aspects, each slice of resistivity data can generate multiple distribution c...  
WO/2023/141401A1
Systems and methods for monitoring and suppressing a back EMF generated by an ESP motor when the ESP system is moved in a well. Embodiments provide both electrical braking to reduce the rotation of the motor (and corresponding back EMF) ...  
WO/2023/141126A1
Provided is a multilateral junction, a well system, and a method. The multilateral junction, in at least one aspect, includes a mainbore leg having a first mainbore leg end and a second opposing mainbore leg end, as well as a lateral bor...  
WO/2023/140853A1
A method and mobile coating unit for improving the performance of hydraulic fracturing processes in oil production fields wherein modifiable coated proppants used in the fracturing fluid are produced on a well-site. Various types of coat...  
WO/2023/141351A1
A computer-implemented method for optimizing a well development sequence for a development zone includes receiving one or more inputs based on the development zone. The method can also include generating a well development plan based on ...  
WO/2023/138969A1
There is provided a fluid withdrawal system (200) in a fluid handling system for handling fluid to be injected into a subterranean reservoir (150) at an offshore injection site (100) for long term storage, the fluid handling withdrawal s...  

Matches 1,401 - 1,450 out of 116,827