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Patent Searching and Data


Matches 451 - 500 out of 155,079

Document Document Title
WO/2021/197915A1
A casing slip device for use on-board of a drilling vessel provided with a drilling installation comprising a drilling tower, a top drive system, a vertical motion drive adapted to cause vertical motion of the top drive system relative t...  
WO/2021/199000A1
A dewaxer flow enhancer. The dewaxer flow enhancer provides heat to the crude oil within tubing of a well bore in a drilling operation and collects the wax in a swab cup. The dewaxer flow enhancer includes a body having a head and a dewa...  
WO/2021/202572A1
Properties of a geological formation, such as dielectric constant and conductivity, may be determined by a propagation well log data acquired by a propagation well logging tool based at least in part on a relative longitudinal position o...  
WO/2021/202534A1
A separator vessel (134) is adapted to separate solids particles (192) from a flow of a multi-phase fluid (190), a differential pressure sensing system (300) that is adapted to measure a differential pressure of a column of the multi-pha...  
WO/2021/201887A1
A method for reviving a well may include deploying a tube between a casing and a wellbore tubular of the well. The tube may extend from a surface through a port at a wellhead of the well to a section of the well at a depth above a packer...  
WO/2021/196649A1
Disclosed is a jet-type in-situ soil sampler. The jet-type in-situ soil sampler is used for obtaining a soil sample and retaining in-situ characteristics thereof. The soil sampler is provided with: a cut-in mechanism, which is capable of...  
WO/2021/196339A1
Disclosed are a shield sealing device and a shield sealing method. An enclosing pile (10) is arranged at a shield receiving hole opening, and the shield sealing device is mounted on the enclosing pile. The shield sealing device comprises...  
WO/2021/202364A1
Systems and methods for generating pressure data from at least two pressure sensors, storing one or more parameters indicative of water cut in a neural network model, receiving pressure data from at least the two pressure sensors respect...  
WO/2021/198193A1
An alignment sub (100) includes a first sub body part (101) rotatably coupled to a second sub body part (118). The first sub body part and second sub body part are respectively non-rota tably coupled to a first wellbore tool and a second...  
WO/2021/202512A1
A method for acoustic geosteering in directional drilling is provided. The method includes measuring a response from a fiber-optic distributed acoustic sensor disposed on a bottom hole assembly and determining a location of the bottom ho...  
WO/2021/197069A1
A dust suppression spraying apparatus for use on a fully-mechanized coal-mining face, comprising a moving part (1) having two degrees of freedom, a ball head (2), and a nozzle (3). The dust suppression spraying apparatus for use on a ful...  
WO/2021/202484A1
A torsional damping system includes a housing having an interior space. An inertia ring is located in the interior space, and a torsion fluid is located between the inertia ring and the housing. The inertia ring is rotatably installed re...  
WO/2021/202712A1
A protector for an electric submersible pump includes a plurality of chambers, with adjacent or consecutive pairs of chambers coupled, e.g., fluidly coupled, via a series or parallel body. The body defines two separate hydraulic circuits...  
WO/2021/202585A1
A valve gate may include a threaded rod, a nut engaged with the threaded rod, a movable body mounted on the threaded rod, a seal, a pair of levers, and first and second housing components that at least partially enclose the other compone...  
WO/2021/196317A1
Disclosed is a novel combination shielding structure for preventing surrounding rock ground pressure disasters caused by mining. The combination shielding structure is composed of an energy-absorbing outer layer (3) and a reflective inne...  
WO/2021/202086A1
A liner string (10) for a wellbore includes a liner hanger assembly LHA (30) and a liner hanger deployment assembly LHDA (20) releasably attached to the LHA (30). The LHDA (20) includes a central bore (21) and a running tool (400) moveab...  
WO/2021/203135A1
An electrical connector (11) having an electrical conductor member (41) with openings (43) on each end. Grab rings (47) mounted in the openings (43) have inner diameters containing teeth (61) with crests (65) defining a superimposed inne...  
WO/2021/197625A1
Disclosed is a downhole tool and method of use. The tool has a sleeve assembly slideable within the tool body under the action of a hydraulic pressure differential. The sleeve assembly has a control collar portion and a first hydraulic r...  
WO/2021/198180A1
A shaped charge liner may include an apex portion and a skirt portion extending from the apex portion. The skirt portion may include a body connected to the apex portion, a perimeter spaced apart from the apex portion, and a carbide laye...  
WO/2021/198038A1
The present invention relates to a fluid-operated percussion drill tool (1) comprising an outer wear sleeve (2) comprising a substantially cylindrical wall (3) and having inner (4) and outer (5) surfaces. The tool also comprises a percus...  
WO/2021/202441A1
A detection system includes a pressure sensor configured to contact an annular elastomer component of an annular BOP, wherein the pressure sensor is configured to generate a first signal indicative of a contact pressure with the annular ...  
WO/2021/195753A1
Disclosed is a rupture disc assembly for use in making a temporary seal in a vessel such as a casing string. The rupture disc assembly may generally include (A) a rupture disc having a side surface having a shallow taper inward towards a...  
WO/2021/113460A3
The present disclosure relates to fluid loss control agents for use in a water-based wellbore fluid. The fluid loss control agents generally include non-crosslinked copolymers of non-carboxylated monomers. The present disclosure also rel...  
WO/2021/196704A1
A method for adjusting a variable section of an adjustable lining trolley. The method comprises: S1, removing two top mold units (1) at the top of an arch; S2, starting a horizontal adjustment oil cylinder (10) to drive vertical and hori...  
WO/2021/196740A1
Disclosed are a temporary plugging agent and a preparation method therefor, and a temporary plugging deflection fracturing method for a high temperature reservoir. The temporary plugging agent comprises the following components by mass f...  
WO/2021/203130A1
An electrical submersible pump assembly (ESP) (29) has a centrifugal production pump (31) with production pump stages (65, 67). A gas separator is upstream (37) from the production pump (31). A centrifugal charge pump (45) is upstream fr...  
WO/2021/197784A1
A vehicle (6) apparatus for removing material from the seabed is disclosed. The vehicle comprises first thrusters (10) for moving the vehicle vertically and second thrusters (12) for moving the vehicle horizontally. A collector unit (16)...  
WO/2021/195742A1
A clamp assembly, for mounting around a tool joint coaxially joining cylindrical upper and lower workpieces, comprises an upper collar assembly and a lower collar assembly, each having semi-cylindrical left and right collar segments. The...  
WO/2021/202504A1
A drilling assembly that includes a drill string, a drill bit assembly, and a transmission sub disposed between the drill bit assembly and the drill string. The transmission sub includes a first tube attached to the drill string and a se...  
WO/2021/197070A1
An on-site image acquisition device and an image acquisition method for a fully-mechanized mining face. Said device comprises a two-degree-of-freedom moving component (1), a gimbal (2), a cleaning component (3) and a camera (4); the came...  
WO/2021/198770A1
Provided herein are methods of maintaining emulsion stability of non-aqueous drilling fluids comprising an internal phase, a continuous phase, and an emulsifier by measuring interfacial tension between the internal phase and the continuo...  
WO/2021/201891A1
CO2 perforating device including one or more CO2 filled perforating units. Each unit comprises an electrical charge source (22), a heater (24) and a liquid CO2 container (25). In operation the heater is actuated and rapidly heats the CO2...  
WO/2021/202339A1
Systems and methods for intelligent estimation of productivity index and reservoir pressure values using pressure sensors (106, 110), a neural network model comprising historical flow rate data of at least a well bore, and a data process...  
WO/2021/202507A1
Disclosed are methods, systems, and computer-readable medium to perform operations including performing, using a nanoscale model (202), a simulation of fluid-fluid and fluid-rock interactions in the subterranean formation (204). The oper...  
WO/2021/203137A1
Some systems and methods include a tubular defining a passageway, one or more packers coupled to the tubular, and two or more valves coupled to the tubular. Some such systems are operable by increasing pressure within the passageway such...  
WO/2021/198751A1
The present disclosed embodiments include apparatuses, systems, and methods for alleviating stuck drill pipe and stuck drill string incidents during drilling operations. A rotary dynamic system (40) includes: a drill pipe (28); a bearing...  
WO/2021/195685A1
A heave compensation system has a housing (12), an over tension accumulator OTA (32) and an under tension accumulator UTA (34). The housing contains a piston (18) and piston rod (20) connected to the piston and extending from one end (14...  
WO/2021/202328A1
Systems and methods for using high rate telemetry to improve drilling operations. A method may include performing drilling operations with a wired drill pipe (WDP) string in an oil and/or gas well. The drilling operations may include pum...  
WO/2021/198700A1
The present invention relates to artificially reducing the porosity of any potential flow paths in the near-wellbore region of a well or in permeable zones within or surrounding a well. In doing so, the permeability in this the targeted ...  
WO/2021/203122A1
A pipe handling system for handling drill pipe on a drill rig may include a lifting system configured for handling a load of a pipe stand and a first pipe handling robot arranged at or near a drill floor of the drill rig and configured f...  
WO/2021/202502A1
A system and apparatus for applying and removing weight from a tool string over an installed wireline, including a weight section having a longitudinal slot and a removable closure bar.  
WO/2021/195752A1
Disclosed is a rupture disc assembly for use in making a temporary seal in a vessel such as a casing string. The rupture disc assembly may include a rupture disc having a side surface that has a shallow angle taper inward towards a botto...  
WO/2021/196706A1
A variable-section-adjustable arch mold device for a lining trolley (7), comprising top mold units (1), side mold units (2), top mold supporting beams (3), leveling mechanisms (4), top mold supplementing units (5), and a top mold supplem...  
WO/2021/197178A1
A self-adjusting damping shock absorber for a measurement-while-drilling (MWD) tool and an adjustment method thereof. The self-adjusting damping shock absorber comprises a vibration monitoring and controller short section (1) and a shock...  
WO/2021/196707A1
A staged ventilation method based on the construction of a complex cavern group, comprising the following steps: perform press-in ventilation while digging in inclined shaft channels, and air supply stopping points reach the entrance of ...  
WO/2021/203090A1
A method includes receiving training images representing a portion of a drilling rig over a first period of time, associating individual training images of the training images with times at which the individual training images were captu...  
WO/2021/197962A1
It is described a single line quick connector (10), a system comprising the connector (10) and associated method, for connecting a hydraulic, chemical or water fluid line (20) to a fluid connection interface (2) on a component (1), where...  
WO/2021/202930A1
Methods, systems, and compositions for increasing hydrocarbon production from a wellbore where the wellbore or a nearby hydrocarbon reservoir is suffering from water blockage, one method including identifying water blockage in a rock sam...  
WO/2021/202162A1
Downhole hanger systems are described. The downhole hanger systems include a first structure having an outer surface, a second structure having an inner surface, wherein the first structure is disposed within the second structure, and at...  
WO/2021/202715A1
An example well construction system includes well construction equipment, a power supply system, and a control system. The well construction equipment performs well construction operations. The power supply system outputs electrical powe...  

Matches 451 - 500 out of 155,079