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WO/2024/088045A1 |
An active control method and device for large deformation of deep thin-layered surrounding rock. The active control method comprises: drilling a construction borehole in surrounding rock of a tunnel close to a tunnel face, and then addin...
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WO/2024/088444A1 |
The present invention relates to the technical field of tertiary oil recovery in oil fields. Disclosed are a middle-phase microemulsion, and a preparation method therefor and the use thereof. The middle-phase microemulsion contains 0.4-1...
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WO/2024/087544A1 |
A method for assessing the suitability of carrying out underground coal gasification engineering by using a deep coal seam. The method comprises: acquiring a basic geological condition, an engineering geological issue, a hydrogeological ...
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WO/2024/086897A1 |
The present disclosure relates to a method for reducing accumulation of foulants on reverse osmosis membranes and a groundwater desalination system. An example method comprises passing a feedstream of groundwater through a water treatmen...
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WO/2024/091458A1 |
A system for navigating a downhole environment includes a tube body (11) with a flexible material (12) that is formed as a thin-walled tube and a pump (13) that pumps pressured fluid (14) through the tube body (11). The tube body (11) ha...
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WO/2024/092089A1 |
Downhole tools for measuring properties of a fluid include a sample chamber configured to receive the fluid, a field responsive material ("FRM") arranged with an interface between the field responsive material and the fluid under test in...
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WO/2024/091662A1 |
A method for evaluating solid drilling fluid additives such as lost cuttings materials (LCM) includes acquiring a calibrated digital image of solid particles separated from drilling fluid circulating in a wellbore. The calibrated digital...
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WO/2024/091348A1 |
A bearing assembly for an electrical motor of an ESP pump assembly comprising an outer bearing sleeve with an inner surface and an anti-rotation device rotationally coupling the outer sleeve to a stator and an inner bearing sleeve with a...
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WO/2024/091449A1 |
A drilling fluid management system may receive a measurement of measured drilling fluid properties for a drilling fluid. A drilling fluid management system may compare the measurement of the measured drilling fluid properties to setpoint...
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WO/2024/091475A1 |
Provided is an anchoring/sealing subassembly, a well system, and a method. The anchoring/sealing subassembly, in one aspect, includes an isolation element mandrel, and an isolation element positioned about the isolation element mandrel. ...
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WO/2024/087819A1 |
A hydraulic system of a hybrid power rotary drilling rig. The hydraulic system comprises an engine, a generator, an electric motor set, a main pump, an auxiliary pump, a main hydraulic system, an auxiliary hydraulic system, a main winch,...
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WO/2024/087867A1 |
The present invention belongs to the technical field of tectonic fissures in oil exploration. Provided are a characterization method for the in-situ openability of a deep tectonic fissure, and a storage medium. The method comprises: sele...
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WO/2024/087003A1 |
A method that includes obtaining a first acoustic signal (602) and transforming the first acoustic signal into a first frequency spectrum using a frequency transformer, where the first frequency spectrum comprises a first plurality of fr...
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WO/2024/091651A1 |
Embodiments presented provide for a method for providing look-ahead measurements ahead of a drill bit in hydrocarbon recovery operations. Embodiments use a pixel-based inversion workflow to produce real time prediction in horizontal and ...
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WO/2024/089448A1 |
The present invention provides a system for in-situ formation of a barrier coating on a metallic article in contact with or exposed to water within a water system, comprising: a generator connected to a power supply unit for generating e...
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WO/2024/091218A1 |
A method for removing a flapper seat assembly that is replaceable from a safety valve positioned downhole in a wellbore is described herein. For example, the safety valve is positioned downhole in a wellbore and can include a housing. Ad...
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WO/2024/086917A1 |
A self-aligning stuffing box includes an upper component having a central throughbore and a lower portion defining a convex spherical surface, which is matingly engageable with a concave spherical surface formed around a central opening ...
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WO/2024/089282A1 |
The invention relates to a device comprising a cavitation nozzle (3a, 3b, 3c, 3d) that has a nozzle body (4) through which a first flow channel (5) runs, comprising an inlet (6) for admitting the pulsed liquid jet and an outlet (7) for t...
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WO/2024/087393A1 |
Disclosed in the present disclosure is a roadside reinforcement support method for small coal pillar mining. The roadside reinforcement support method for small coal pillar mining comprises the following steps: support pillar manufacturi...
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WO/2024/091866A1 |
Power end rod assembly (100), for pumping operations such as wellbore fracturing or drilling operations. The power end rod assembly comprises a power end rod (110) comprising a body (111), a flanged end portion (112), and a shank portion...
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WO/2024/092088A1 |
A downhole tool includes a body including a wall having an outer surface, an inner surface defining a passage, and an opening extending through the wall. The outer surface includes a recess. A sleeve is arranged in the passage and select...
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WO/2024/089436A1 |
A method of controlling a well comprising adding a scaling solution into a reservoir via the well which forms scale in pores or channels of the reservoir in order to inhibit fluid flow; then, deploying a fluid into the well to create a h...
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WO/2024/088044A1 |
The present invention relates to the field of geotechnical engineering. Disclosed in the present invention are a partitioned bolt-grouting supporting apparatus and method for large deformation of a high-stress tunnel cataclastic rock mas...
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WO/2024/091854A1 |
A fracture shielded filter tool including a mandrel, a filtration material disposed in a position relative to the mandrel to filter a fluid moving between an exterior of the mandrel and an interior of the mandrel, and a shield adjacent t...
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WO/2024/091111A1 |
A computer implemented method for determining a set of parameters for developing an oil and gas field or infrastructure is described. In an embodiment, the method comprises: (i) receiving a plurality of input parameters comprising a type...
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WO/2024/091459A1 |
Methods described herein use benzene sulfonyl azide molecules as scavengers of sulfur species, including H2S, mercaptans, or both in industrial processes such as hydrocarbon production.
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WO/2024/091454A1 |
A technique facilitates a wireline operation by employing a wireline valve having internal porting to enable the supply of hydraulic actuating fluid to be routed internally, thus minimizing the exposure of ports and hydraulic hoses to da...
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WO/2024/089451A1 |
The present disclosure relates to a flapper rearrangement tool (1; 2) to rearrange a broken flapper (5) inside a tubing retrievable subsurface safety valve (80). The tool (1; 52) comprises a substantially cylindrical guiding portion (10)...
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WO/2024/091274A1 |
The force modulation system (10) for a drill bit includes a cutter (20), a holder (30), a holder retention device (50), and a first force member (60). The cutter (20) fits in the holder (30), and the holder fits in the drill bit. The hol...
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WO/2024/087965A1 |
A well-ground combined mining coiled tubing directional fracturing gas extraction system and method. The extraction method comprises the following steps: constructing at least one directional long drill hole in a determined layout layer;...
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WO/2024/091375A1 |
This disclosure relates to systems for waste gas sequestration in geological formations and methods for of gas sequestration of waste gas in geological formations. The system can include a wellbore, a casing, inner tubing, a water passag...
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WO/2024/091721A1 |
In some embodiments, a method for controlling a learning machine used in a drilling operation to drill a well into a subsurface formation includes receiving, via a video stream, an image of debris including cuttings from the drilling ope...
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WO/2024/091315A1 |
A self-cleaning temperature sensor comprises: a bellows coupled to a support structure; a pneumatic or hydraulic cylinder; a sensor configured to measure a temperature of a fluid and extending from the pneumatic or hydraulic cylinder, wh...
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WO/2024/091272A1 |
The retrievable packer system (10) includes a packer mandrel (20), a lock ring (26), an upper cone (30), a lower cone (40), a slip device (60), a retrieval mandrel (70), and a slotted retrieval sleeve (80). The lock ring (26) is attached...
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WO/2024/091278A1 |
A packer system (10) includes a packer mandrel (20), an upper support or gage ring (30), a seal member (40), an upper slip device (50), an upper cone (60), a lower cone (70), a lower slip device (80), a setting sleeve (90), and a setting...
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WO/2024/091275A1 |
The force modulation system (10) for a drill bit includes a cutter (20), a blade cap (30), a cap retention device (50), and a first force member (60). The cutter (20) or cutters fit in the blade cap (30), and the blade cap (30) fits to t...
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WO/2024/091535A1 |
A system includes a running tool having a carrier with an axial drive, an arm coupled to the axial drive, and a tool engagement bracket coupled to the arm. The tool engagement bracket is configured to couple to a pressure cap assembly ha...
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WO/2024/091483A1 |
Provided is an anchoring subassembly, a well system, and a method. The anchoring subassembly, in one aspect, includes an energizer sub that is in sliding engagement with a connector sub, a latch housing, and one or more latching features...
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WO/2023/056002A9 |
A well fluid including a resin component, a curing agent, and a nanocomposite filler, wherein the well fluid is stable at a temperature of at least 550°F is provided. A method of using the well fluid in various well operations, and geot...
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WO/2024/086447A1 |
In at least one embodiment, a well inspection method (600) and system (500) is disclosed. The method (600) includes transmitting (602) an acoustic signal from a well inspection tool into a casing structure, receiving (604) return signals...
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WO/2024/084093A1 |
A pivoting cable connection for a subsea equipment unit comprises a tubular cable guide supported by the unit, extending along and around a pivot axis A cable extending through the connection comprises an intermediate section extending a...
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WO/2024/086053A1 |
Embodiments described herein provide a well valve assembly, comprising a housing; a component disposed within the housing, the component having a circular circumference and an opening for flowing well fluid through the component, the com...
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WO/2024/086180A1 |
A wellhead assembly includes a containment system having a mechanical barrier, a tertiary wiper, and a fluid jet assembly. A mechanical barrier includes a body disposed in a housing, the body having an opening extending through an axial ...
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WO/2024/050564A9 |
Systems and methods for determining the orientation of the toolface of a rotating downhole tool using multiple sensors that measure different parameters related to the orientation of the toolface, where outputs of the different sensors a...
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WO/2024/085928A1 |
Aspects of the subject technology relate to systems, methods, and computer-readable media for corrosion analysis using magnetic flux leakage measurements. The present technology can magnetic flux leakage data obtained by a magnetic flux ...
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WO/2024/086482A1 |
A method for attaching a ring to a borehole tool including locating the ring on the tool, running a weld bead around the ring without alloying the ring to another parent material, the weld causing contraction in a circumferential dimensi...
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WO/2024/085888A1 |
A method for forming a model of a bottom hole assembly (BHA) in a borehole, wherein the BHA is connected to a drill string. The method may further comprise segmenting the model into one or more segments and solving a multipoint boundary ...
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WO/2024/086603A1 |
This disclosure provides methods and apparatus for stimulating a well by using structural reactive material while perforating a well casing and well formation in a well at the same time. A structural reactive material member may be attac...
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WO/2024/084472A1 |
In a first scenario, nested darts provide pressure isolation between a space inside a liner assembly below an expansion cone and a well annulus. Increased pressure in this space can be used to push the expansion cone upward and assist th...
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WO/2024/086391A1 |
In some embodiments, a method for controlling fluid flow through a downhole pump system in a borehole includes moving, via a downhole pump residing below a tubular in the borehole, a first fluid through the tubular, wherein the first flu...
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