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Patent Searching and Data


Matches 701 - 750 out of 152,905

Document Document Title
WO/2021/034450A1
Hydrocarbon wells including crosslinked polymer granules as a proppant, methods of forming the hydrocarbon wells, and methods of operating the hydrocarbon wells. The hydrocarbon wells include a wellbore that extends within a subsurface r...  
WO/2021/034180A1
The invention relates to hydrometallurgical methods for in-situ leaching of non-ferrous and rare metals, more particularly to recovering metals from solutions by extraction, and can be used when processing ores and waste of non-ferrous a...  
WO/2021/034655A1
The detection of a barrier behind a wellbore casing involves the injection of a fluid into the wellbore casing or the pumping of a fluid from the wellbore casing, and the monitoring in real-time of the fluid properties in two downhole fl...  
WO/2021/031572A1
A resistivity measurement polar plate, comprising a polar plate bracket (1), a composite polar plate (2), and an electrode assembly (3). The electrode assembly is mounted on the composite polar plate. The composite polar plate is mounted...  
WO/2021/034759A1
An underwater robotic system includes a frame adapted to be deployed in a body of water and having guide rails and at least one movable rail movably coupled to the guide rails. An actuator module is movably coupled to the at least one mo...  
WO/2021/034877A1
A method of measuring two or more fluid phases of in a downhole well bore that comprises measuring a flow of each of the two or more phases at respective offtake points at which the two or more phases are unmixed within the well bore. In...  
WO/2021/032461A1
The invention relates to a kelly bar arrangement for a drilling device and to method for working the ground with a drilling device. A tubular external kelly bar and an internal kelly bar, which is displaceably mounted within the external...  
WO/2021/034923A1
A drill bit comprises a first and a second body received within the first body. Each of the first body and second body has a respective crown, each crown having an inner and an outer operative circumference. The outer operative circumfer...  
WO/2021/034811A1
An apparatus includes a housing, engagement slips, a tubular, a taper tap, a pin, and a slip activation member. The housing includes a profile that defines a path including a first end and a second end. The engagement slips are attached ...  
WO/2021/035127A1
The present disclosure is directed to improved downhole motor designs. In one illustrative embodiment, primary and secondary thrust bearings that are maintained in position by other structural components of the motor without compressive ...  
WO/2021/035036A1
Sensors for imaging boreholes via the detection of electrical and optical properties may be subject to harsh conditions downhole, such as from pressure and temperature. In addition, these sensors may be subject to impact, such as tension...  
WO/2021/030872A1
There is proposed drive apparatus that can be used for use in a drill pipe spinner device, comprising, a torque generating device, a planetary gearbox, having a ring gear and a number of planet gears, a clutch including an annular member...  
WO/2021/031621A1
A magnetic control material-based, magnetorheological, pilot operated safety valve for a hydraulic support, and a use therefor. The magnetorheological pilot operated safety valve comprises a valve body, a valve core, a return spring (24)...  
WO/2021/033013A1
The present invention relates to a through BOP lubrication system (1), which is capable to be run-through a rig blow out preventer BOP (80), located below the rig floor (5), the through BOP lubrication system (1) comprising a lubricator ...  
WO/2021/034184A1
An optical cable (10, 10a) includes: an optical fiber (1) for sensing deformation of hydrocarbon absorbing resin (2) having a property of expanding by absorbing hydrocarbon in oil; a strand (20) provided so as to surround the outer circu...  
WO/2021/034803A1
A well tubing system (100) includes a well tubing (114) extending from a wellhead (104) and disposed in a wellbore (102), and multiple capillary tubes (120) coupled to the wellhead and extending from the wellhead into an annulus formed b...  
WO/2021/034801A1
A sidetrack window (210) is cut in a cased wellbore (102) by disposing a sidetracking assembly (100) within the cased wellbore. A first ball (130) is deployed into a drill string (106) of the sidetracking assembly. The first ball leaves ...  
WO/2021/034780A1
A method for measuring the thickness and wear of casing in a wellbore includes positioning an untethered logging tool (1700) in a drill string, receiving the logging tool in a catcher (202), extending transducer shoes (1706) to position ...  
WO/2021/029774A1
An apparatus (5) and method for receiving a pipeline pig, the apparatus comprising a pig cleaning chamber (6) for cleaning a pig received from a pipeline connected to the pig cleaning chamber (6) and a pig storing cassette (26) for accom...  
WO/2021/030532A1
Steering assemblies, drilling systems, and method for drilling boreholes are described. The steering assemblies include a first member, an inner transceiver connected to the first member, a second member arranged about the first member, ...  
WO/2021/027128A1
A shaft inspection system and a steel wire rope moving device thereof. The moving device comprises steel wire rope moving tracks (2) and moving mechanisms. Each moving mechanism comprises a housing (5), a driving motor, and several movin...  
WO/2021/030345A1
A submersible well fluid pump (12) has diffusers (41) non-rotatably mounted in a pump housing (21). A drive shaft (29) rotates an impeller (43) between each of the diffusers. A bearing (45) is positioned between and in abutment with two ...  
WO/2021/030048A1
A hydraulic drive system is employed to transfer energy generated by a diesel engine to a frac pump. The hydraulic drive system includes a gearbox comprising a plurality of gears being coupled to and driven to produce rotational movement...  
WO/2021/029858A1
A model optimizer for predicting a drill bit variable can select a model from multiple models based on a learned preference. The preference may be updated according to preference indicator received from a user in response to an output mo...  
WO/2021/029876A1
De-oited lost circulation' materials and. methods of using such materials to, for example, reduce fluid loss are provided. In some embodiments, such methods: include introducing a first treatment fluid; including a base fluid and a de -o...  
WO/2021/029874A1
A method for identifying cuttings volume may comprise taking one or more inlet measurements of a drilling fluid at an inlet meter before the drilling fluid is circulated into a wellbore, taking one or more outlet measurements of a drilli...  
WO/2021/026749A1
A compound lining apparatus for a pipeline, comprising a cylindrical body (2), a directing head (3), a control connector (4),an annular sealing assembly (5), and a metal lining tube (6). One end of the cylindrical body (2) is used for in...  
WO/2021/026947A1
A combustible ice fast supercooling nano liquefaction agent and a method for mining the combustible ice. The combustible ice fast supercooling nano liquefaction agent comprises the following components by mass percentage: 0%-25% of an am...  
WO/2021/027180A1
A method for calculating a non-uniform damage skin factor of a fractured reservoir. The method comprises: acquiring basic parameters, segmenting a reservoir into discrete well sections at equal intervals, assigning the basic parameters t...  
WO/2021/007024A3
A well barrier can include an inner mandrel, a flow passage, and a releasably secured plug. The plug blocks fluid flow through the flow passage, and includes a shoulder that prevents the plug from displacing completely through the inner ...  
WO/2021/027292A1
A roof deformation high precision monitoring and early warning system, comprising explosion-proof optical fibre sensors (6), a sensor integration apparatus, a signal conversion apparatus, a data transmission apparatus and a data processi...  
WO/2021/028474A1
A downhole expandable apparatus for restricting ingress of solids in a wellbore comprises a base pipe, a fluid permeable expandable foam material mounted on the base pipe configurable between a non-expanded and an expanded configuration,...  
WO/2021/027130A1
A rail synchronous moving device for a wellbore inspection system and a control method therefor. Said moving device comprises an upper moving rail, a lower moving rail, an upper steel wire rope moving device, a lower steel wire rope movi...  
WO/2021/028864A1
The present invention relates to a method for the bioremediation of an area polluted by oil and/or gas extraction activity carried out in said area and causing the emission of polluting gases into the air and the pollution of soil, impre...  
WO/2021/028689A1
A well construction method, and corresponding apparatus, in which a drilled bore (106) is lined with a plurality of successively smaller diameter sections of bore-lining tubing includes at least one casing (108, 110, 112) and at least on...  
WO/2021/026971A1
A lattice composite wellbore structure and a construction method therefor. The lattice composite wellbore structure comprises outer wellbores and an inner wellbore (1) provided therein. An outer wall of the inner wellbore (1) is connecte...  
WO/2021/027213A1
A detection method, comprising: acquiring operation data to be tested during production or self-inspection of an oilfield moving device (101); inputting the operation data into a pre-built health detection model so as to obtain a health ...  
WO/2021/030683A1
In a snubbing operation, a method is used for determining when a wellbore should be circulated by comparing calculated torque and drag values from a clean wellbore against actual torque and drag values. In a more expansive application, f...  
WO/2021/029887A1
A computer system and method for analyzing effectiveness of applied treatments or characterizing landing zones. The method includes, for respective one or more wells, receive production data, determining oil, gas, and/or water production...  
WO/2021/030043A1
Provided, in one aspect, is a drillable window assembly. The drillable window assembly, in this aspect, includes a first precut casing joint, the first precut casing joint including a first casing tubular having two or more radially offs...  
WO/2021/030397A1
An apparatus for transmitting and/or receiving energy in a borehole penetrating a subsurface formation includes a tubular assembly having a tubing mandrel and a sleeve at least partially surrounding a circumference of the tubing mandrel,...  
WO/2021/030594A1
A method and apparatus for igniting a power charge in downhole wellbore using an ignition propellant mixed with a main propellant.  
WO/2021/029875A1
Partially coupling a geomechanical simulation with a reservoir simulation facilitates predicting strain behavior for a reservoir from production and injection processes. A method comprises generating a geomechanical model based on a mech...  
WO/2021/028308A1
The invention relates to a method for purifying sulfide-containing raw materials and simultaneously extracting elemental sulfur. In said method, the sulfur is extracted from the raw material by comproportionation reaction with a sulfur h...  
WO/2021/028848A1
The present disclosure relates to a separating device for removing solid particles from fluids, and to the use of said separating device for removing solid particles from fluids.  
WO/2021/030673A1
A ram for a blowout preventer has a pressure chamber having a piston movably disposed therein, and a charge disposed at one end of the pressure chamber. A gate is coupled to the piston on a side opposed to the charge. The gate is arrange...  
WO/2021/026610A1
A subsea tree including a fluid swivel, the fluid swivel comprising: (a) a fixed inner body defining an inlet for fluid communication with a production conduit for a subsea well; (b) a rotatable outer body defining an outlet and an attac...  
WO/2021/029776A1
A Christmas tree (10) having a main body (14) which encloses a main passage (16), the main body (14) having a first end (14a) which is adapted to be secured to a well head (12), and a second end (14b) which is adapted to be connected to ...  
WO/2020/239647A3
The invention provides a tracer release system (100) and method of use. The tracer release comprises at least one tracer chamber for connection to a production tubing (12). The at least one tracer chamber comprising at least one inlet (1...  
WO/2021/026961A1
Disclosed are a self-adaptive gas release rod (4) and a shallow gas controlled gas release recovery system and method. The self-adaptive gas release rod (4) comprises a second hollow feeler lever (39) and a first hollow feeler lever (40)...  

Matches 701 - 750 out of 152,905