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Matches 251 - 300 out of 146,530

Document Document Title
WO/2019/152973A1
An earth-boring tool includes a shank. The shank may include a central bore extending partially through the shank. An end-cap may be disposed within the central bore, and the end- cap may include a first flange, a second flange, and a bo...  
WO/2019/152091A1
A wellbore treatment system including a housing having a first port and a second port, a first sleeve positionable to cover and uncover the first port, a first supportable and unsupportable plug seat operably connected to the first sleev...  
WO/2019/152036A1
An apparatus for setting or removing one or more devices downhole in a well includes a setting tool comprising a glass fiber composite or a soft metal, wherein a majority of the metal by volume comprises aluminum, brass, a dissolvable al...  
WO/2019/152237A1
A method for performing a formation-related physical action includes: receiving image data of a wall of a borehole penetrating a formation, the image data having image data of fractures intersecting the wall of the borehole; and defining...  
WO/2019/152634A1
Embodiments of the present disclosure include a system including a pair of wellbore tubulars (34) coupled together via a casing collar (38). The system also includes a hold down collar (42) arranged circumferentially about the casing col...  
WO/2019/152910A1
A system for coupling a first pipe segment (302) to a second pipe segment (304) includes a pin (310, 410), the pin (310) having a first outer diameter (318) and a second outer diameter (316), the second outer diameter (316) forming a rec...  
WO/2019/152074A1
A method and apparatus for installing an object in a flow line or other compartment, such as a surface inline filter assembly having a removable screen filter apparatus. A housing has a central through bore and an elongate slot or openin...  
WO/2019/148812A1
Provided are a jetting, expansion and extrusion combined pile, a construction method thereof and a spiral jetting, expansion and extrusion drilling rig used in the method. A pile of the combined pile comprises a pile body (101), an expan...  
WO/2019/148529A1
A tunnel wall-adhering shuttle platform (30) and a tunnel monitoring apparatus (100), the tunnel wall-adhering shuttle platform (30) being suited to shuttling in water in a tunnel (20) below a shield well (10), the tunnel wall-adhering s...  
WO/2019/152975A1
Systems and methods for reducing friction between a casing string and a bore of a subterranean well when moving the casing string within the bore of a subterranean well include a roller bearing assembly. The roller bearing assembly has a...  
WO/2019/148279A1
A method of optimizing operation one or more tubing strings in a hydrocarbon well, apparatus and system for same. Each tubing string is located in a hydrocarbon well and has a plurality of valves. Each valve is actuatable between a fully...  
WO/2019/149580A1
The present invention relates to a composition comprising at least one compound of general formula (I) and at least one liquid or supercritical C2 -C5 hydrocarbon. The present invention further relates to the use of the at least one comp...  
WO/2019/152057A1
A drill bit is provided that includes a bit body having one or more blades extending therefrom, a plurality of cutters secured to the one or more blades, and a rolling element assembly positioned within a cavity defined on the bit body. ...  
WO/2019/151895A1
The invention relates to methods for restoring well productivity and to devices for cleaning downhole mesh filters without disassembling water lifting equipment. Well productivity is restored and maintained using an acoustic method based...  
WO/2019/149613A1
An apparatus for handling drilling rods, a rock drilling unit and a method of handling drilling rods. The apparatus (36) comprises a rod feeder (13) and a swing device (11) which co-operate and move drilling rods (2) between a pick-up po...  
WO/2019/149879A1
The present invention relates to a completion method for completing a well having a top comprising, drilling a borehole below a first well tubular metal structure in the well, circulating mud at least partly while drilling the borehole, ...  
WO/2019/152083A1
An assembly for pumping well fluid includes a production conduit string (13) having a polished bore receptacle (35). A coiled tubing segment (19) with a power cable (61) is suspended within the production conduit string (13). A motor (21...  
WO/2019/151993A1
A frac sleeve system includes a well casing with a tubular wall having a frac port defined there through for hydraulic fracturing. A sleeve within the well casing includes a sleeve body. The sleeve is mounted for axial movement relative ...  
WO/2019/152470A1
Disclosed are compositions and methods for use in oil and gas operations.  
WO/2019/149604A1
Method for producing a tube segment (1) and a tube for an evacuated tube transport system and to a method for producing said tube segment (1).  
WO/2019/148358A1
A segmented protection device for a drill pipe comprises: a cylindrical body (1), wherein multiple annular grooves are arranged on the cylindrical body (1), the annular grooves divide the cylindrical body (1) into multiple rigid portions...  
WO/2019/151970A1
The modular 'Sea Level Gas Separators of Oil Well Effluent' (SLGOE) units about a rig vicinity preclude gas entrainment reaching the rig. When operative as an 'Emergency operational SLGOE unit' (EOS unit), functional only after a blow-ou...  
WO/2019/152950A1
An imaging device (124), laser(s) (190, 192), lag calculation, and/or volume calculations are used to determine cuttings volume per unit depth. A projected or theoretical volume can be calculated based on parameters of the borehole being...  
WO/2019/144663A1
A drilling and dust removal integrated device of a mining drill carriage, comprising: a drill pipe (2); a drill carriage motor (1) rotated to drive the drill pipe to drill; a dust hood (10) provided corresponding to the drill pipe; a cyc...  
WO/2019/148078A1
A technique facilitates filtration of solids from a well fluid to during a pumping operation. The system may comprise a downhole pump, e.g. a downhole rod lift pump, having a pump housing through which a well fluid is moved during pumpin...  
WO/2019/147139A2
A tool (100) and a method for determining material quality of a hydrocarbon wellbore cross section, the hydrocarbon wellbore cross section comprising one or more tubular elements having filling materials in between, the tool comprising: ...  
WO/2019/145122A1
An apparatus for drilling a well which includes a drill bit (2) arranged at the end of a length of drill tubing (4), a motor (3) to rotate the drill bit and steering means to steer the drill bit, and including torque measuring means (5) ...  
WO/2019/147356A1
Extracting a core sample from within a wellbore is optimized based on information extracted from acoustic signals that are generated downhole. The acoustic signals provide an indication of the formation being cored, which is used to obta...  
WO/2019/148173A1
Systems for automatedly delivering explosives with variable densities are disclosed herein. Methods of automatedly delivering explosives with variable densities are disclosed herein. Methods of determining an emulsion explosive density p...  
WO/2019/144661A1
Disclosed are a mining drill and a dust removal device therefor. The mining drill comprises a drill rotary device (1) and a drill rod (2), and during operation, the drill rotary device (1) drives the drill rod (2) to drill so as to perfo...  
WO/2019/144223A1
A passive rotating jointed tubular continuous snubbing injector is provided for moving connected, segmented oilfield tubulars axially into or out of horizontal, extended-reach oil and natural gas wells that may contain pressurized fluid ...  
WO/2019/147601A1
Methods and systems pertaining to generating a startup or other operating order of pumps of a pumping system for performing a subterranean formation fracturing operation, and/or another pumping operation, and for coordinating distributio...  
WO/2019/147884A1
A pressure control device (100) for sealing about a tubular string (102) comprises: a flange (206) disposed about a central axis, an annular extension (226) extending from the flange and an annular seal (305) element coupled to the annul...  
WO/2019/147170A1
The invention relates to a downhole acoustic emitter. The technical result is an increase in efficiency and a broadening of functional capabilities. The downhole acoustic emitter comprises a housing with a hermetically sealed section fil...  
WO/2019/147827A1
Service life characteristics of an elastomer component used for sealing in a BOP are monitored. Measurements are made in situ on the BOP while deployed at a wellsite. The measurements can be related to contact pressure and/or sealing pre...  
WO/2019/147840A1
A tunnel system includes at least two adjacent tunnel lining systems and a sealing system. Moreover, the tunnel lining systems can include plural tunnel lining segments.  
WO/2019/147881A1
A rotating control device (100) includes a housing (110) with a sensor port (116) extending to a central housing bore, a sensor (120) in the port, and a rotating sleeve assembly (RSA) (125) extending within the central bore. The RSA (125...  
WO/2019/147398A1
A string of coiled tubing (29) having a power cable (35) therein supports and supplies power to an electrical submersible well pump assembly (15) in a well. The coiled tubing has an upper section (29a) and a lower section (29b) joining e...  
WO/2019/147123A1
A method of installing a reinforced thermoplastic pipe (RTP) (102) in a production tube is provided, the method includes the steps of preparing a bottom assembly (703) in a production well, swaging connectors (707, 709) onto both ends of...  
WO/2019/148009A2
A method and apparatus for containing one or more shaped charges in a single plane, arrayed about the center axis of a gun body, and detonated from a single initiator in a shaped charge cluster assembly.  
WO/2019/147297A1
A system and method for controlling a drilling tool inside a wellbore makes use of Bayesian optimization with range constraints. A computing device samples observed values for controllable drilling parameters such as weight-on-bit (WOB) ...  
WO/2019/147283A1
Treatment fluid compositions that include a carrier fluid, a crosslinkable polymer, one or more degradable fibers grafted with a crosslinking moiety capable of crosslinking the crosslinkable polymer, and optionally a proppant or gravel. ...  
WO/2019/122004A3
A downhole catcher device comprises a catching mechanism which is configured to be transferable between a first mode and a second mode. The catching mechanism is further configured for passing by a first operation element if the catching...  
WO/2019/147633A1
Technologies related to training machine-learning-based surrogate models for phase equilibria calculations are disclosed. In one implementation, an equation of state (EOS) for each of one or more regions of a reservoir is determined base...  
WO/2019/145201A1
A cutting tool (106) for a tunnel boring machine comprises a tool head (115) equipped with at least one wear sensor (315) which tool head can be releasably connected to a tool holder (206, 321). A line arrangement comprising a wireless, ...  
WO/2019/147967A1
A method includes receiving sensor data characterizing one or more properties of a first formation undergoing drilling; determining, based on the received sensor data and a plurality of clustered historical data, an identity of the first...  
WO/2019/144507A1
Disclosed is a mechanical downhole tool for vertical well drilling using a screw cam, consisting of a motor assembly, a universal shaft assembly and a straightening assembly. The front end of the motor assembly is connected to the univer...  
WO/2019/144662A1
Disclosed are a mining drill and a dust suction cover therefor, and a dust removal device. The dust suction cover (1) comprises: a conical cover (10) and a cylindrical cover (20), wherein a top opening of the conical cover (10) matches a...  
WO/2019/147268A1
A wellbore assembly can include a completion string having a side pocket. A downhole device can be positioned within the side pocket of the completion string. The downhole device can have a first end sized and shaped for coupling to a to...  
WO/2019/147689A1
A method for evaluating or improving performance of a drilling operation comprises, during the drilling operation, receiving a performance parameter of a component of a drilling system measured by a sensor of the drilling system. The mea...  

Matches 251 - 300 out of 146,530