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WO/2021/141999A1 |
A blowout preventer includes a main body having a through bore and defining a passage transverse to the through bore. A seal is disposed in the main body and arranged to restrict fluid flow from the through bore to the passage. The seal ...
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WO/2021/137141A1 |
The present invention relates to an elastomeric gland which clasps the electrical leads that pass through the wellhead and which comprises a cylindrical upper portion, a frustoconical lower portion, between one and three through-holes wh...
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WO/2021/136931A1 |
A workstring apparatus (2) for creating an annular seal in a wellbore is described. Workstring (2) comprises at least one packer apparatus (4) comprising a body portion (6) and an elastomeric packer element (8) which is deformable into a...
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WO/2021/137878A1 |
A method of preparing a cement may include: defining one or more engineering parameters of a proposed cement slurry; selecting at least: a cement and mass fraction thereof and at least one supplementary cementitious material and mass fra...
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WO/2021/138679A1 |
The invention of the present disclosure, comprises a system including at least one hydraulic intensifier circuit accepting a supply pressure and returning a boosted pressure that is higher than the supply pressure, and at least one regul...
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WO/2021/134104A1 |
Some methods of producing hydrocarbons from a formation include pressurizing a formation by pumping fluid into a portion of a wellbore having one or more first fractures in fluid communication with the formation, while the formation is p...
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WO/2021/127450A1 |
Techniques for positioning and setting a barrier within a well string are provided. In one embodiment, a method includes securing a barrier device at a lubricator extension of a lubricator assembly and positioning the lubricator assembly...
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WO/2021/126912A1 |
A method and system for completing cementing operations in a subterranean well with a wiper plug assembly includes delivering the wiper plug assembly into a casing, the wiper plug assembly having a wiper plug body with a circular cross s...
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WO/2021/126873A1 |
The disclosure relates to a system, downhole device and method for monitoring a wellbore, in particular in a lateral section, during stimulation, with an equipment enabling retrieval in many conditions. The method includes monitoring the...
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WO/2021/126173A1 |
A swellable packer assembly that includes a mandrel, a sealing element disposed about a least a portion of the mandrel, and a degradable metal coating disposed about at least a portion of an outer surface of the sealing element. The degr...
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WO/2021/126279A1 |
Methods for treating a wellbore. An example method includes positioning a conduit in the wellbore. The conduit is a liner hanger or a tie-back liner. The conduit includes a conduit body and a reactive metal sealing element disposed on th...
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WO/2021/126358A1 |
A downhole tool and method therefor use a deviated flow path to prevent/mitigate fallback of solids during shutdown of an ESP. The deviated flow path leverages the direction of fallback downhole and the relative inertias of the solid par...
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WO/2021/126278A1 |
Liner hangers and methods of use. An example method includes positioning a liner hanger in a wellbore; the liner hanger comprising: two sealing elements disposed on the exterior of the liner hanger and having a void space therebetween, a...
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WO/2021/126232A1 |
Disclosed herein are aspects of a barrier coating layer of an expandable member wellbore tool for use in a wellbore. The barrier coating layer, in one aspect, covers at least a portion of the outer surface of the expandable member and ha...
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WO/2021/123764A1 |
A valve assembly (100) is disclosed, for controlling fluid communication along a well tubular (10). The valve assembly comprises: a hydraulically operated valve (40, 42) comprising a valve member (41, 43) which is movable between open an...
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WO/2021/119103A1 |
A system for an annular blowout preventer (BOP) includes a piston, a packer assembly, and a connector assembly. The connector assembly includes a linkage, wherein a first end portion of the linkage is configured to contact and couple to ...
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WO/2021/118521A1 |
A method of constructing a plugging device can include incorporating multiple filaments into the plugging device, and coating each individual filament with a swellable material. A plugging device for use in a subterranean well can includ...
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WO/2021/119251A1 |
Systems, methods, and apparatuses for deploying a lost circulation fabric (LCF) to seal a lost circulation zone during a drilling operation. The LCF may be contained within a lost circulation fabric deployment system (LCFDS) that is coup...
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WO/2021/119247A1 |
Systems, methods, and apparatuses for deploying a lost circulation fabric (LCF) to seal a lost circulation zone during a drilling operation. The LCF may be contained within a lost circulation fabric deployment system (LCFDS) that is coup...
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WO/2021/119560A1 |
An initiator monitoring and actuating system includes a first power supply selectively electrically connectable to a charge initiator. The first power supply provides a current lower than an activation current of the initiator. A second ...
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WO/2021/119244A1 |
Systems, methods, and apparatuses for deploying a lost circulation fabric (LCF) to seal a lost circulation zone during a drilling operation. The LCF may be contained within a lost circulation fabric deployment system (LCFDS) that is coup...
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WO/2021/119613A1 |
A method and apparatus for patching damaged areas in a well includes a top and a bottom patching section which include an anchor/sealing member for securing the apparatus within the well. One or more extension patch sections are connecte...
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WO/2021/119046A1 |
A packer assembly includes a tubular having a surface, a gauge ring provided on the surface, a back-up ring positioned adjacent the gauge ring, a packer element arranged adjacent to the back-up ring, an expansion ring arranged adjacent t...
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WO/2021/118657A1 |
Completion systems and methods to complete a well are disclosed. A method to complete a well includes installing a casing across a plurality of zones of a well. The casing includes an opening and a sleeve positioned inside the casing. Th...
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WO/2021/116304A1 |
A tool (1) for cementing an annulus in a subsea oil or gas well, and methods for using the tool are provided. The tool includes a safety module (2) providing fluid communication between an umbilical and a perforation and circulation modu...
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WO/2021/116323A1 |
An independently mountable sensor system (1) for a wet-mateable subsea connector or a dry-mateable subsea connector comprising at least one of a receptacle connector body or a plug connector body (41) comprises a pressure vessel (2); one...
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WO/2021/112850A1 |
Methods for reducing zinc in fluids for use in subterranean formations are provided. In one or more embodiments, the methods include providing a fluid comprising an aqueous base fluid and zinc; and adding a precipitant comprising polyvin...
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WO/2021/112891A1 |
A downhole apparatus comprises a casing string with a removable plug therein to block flow therethrough. A flow barrier is positioned in the casing below the removable plug and the removable plug and the flow barrier define a buoyancy ch...
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WO/2021/112864A1 |
An ingress-barrier assembly for use with pressure-operated downhole equipment can be used to limit hydraulic fluid flow in a wellbore environment for completions and operations through the life of a well. An assembly can comprise a first...
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WO/2021/113162A1 |
A rotating choke assembly includes a rotating control device and a flow control device. The rotating control device has a seal element configured to be disposed around a tubular, where the seal is configured to rotate in a circumferentia...
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WO/2021/112706A1 |
The invention relates to the extractive industry and can be used in the extraction of hydrocarbons, water, acid-alkaline solutions and saline solutions and other fluids by a gas-lift method. The technical result consists in providing con...
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WO/2021/113378A1 |
A repairable seal assembly (100) for deployment at a wellbore includes an elongate body (102), a first seal (104, 106) carried by the elongate body and configured to seal against an adjacent surface, and a transitional component (112) ca...
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WO/2021/113056A1 |
A method of reducing lost circulation in a wellbore includes introducing a fluid including a fluid loss control additive comprising shape memory polymer, shape memory alloy, or both into the wellbore. The method further includes allowing...
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WO/2021/108399A1 |
A system for controlling a wellbore pressure includes a body (204) having a bore (202), a head (206) coupled to the body (204), the head (206) and body (204) forming a chamber (208) fluidly coupled to the bore (202), and a packer (210) a...
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WO/2021/102543A1 |
The present invention relates to an improvement to a conventional packer comprising the installation of an upper connector, a lower connector and an internal tube, suitable for allowing hydraulic control lines and/or electrical cables to...
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WO/2021/107954A1 |
A wellbore isolation tool, e.g., a bridge plug, provides the ability to seal portions of a well from production or to temporarily seal zones of a well from treatment. A bridge plug may include a sealing element supported by one or more s...
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WO/2021/107937A1 |
A downhole tool comprising a cylindrical housing, a sleeve disposed in the cylindrical housing, forming an annular space between the sleeve and the cylindrical housing, and a tool cement composition disposed in the annular space, wherein...
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WO/2021/103472A1 |
Disclosed is a single-well drainage-production ground device for a two-layer stacked coalbed methane system. The device comprises a power device (15), a production device (16), and a control device (6). The control device (6) transmits e...
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WO/2021/107785A1 |
A container device for transporting and releasing a plugging material into a well, the container device comprising: a longitudinal chamber for containing the plugging material, the chamber comprising a tubular wall extending in a longitu...
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WO/2021/107960A1 |
A method of servicing a wellbore penetrating a subterranean formation, comprising: placing a wellbore servicing fluid (WSF) into the wellbore, wherein the WSF comprises a first polymer, a second polymer, and water, wherein the first poly...
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WO/2021/101579A1 |
A sidetracking assembly employs a running tool for engaging the whipstock and providing structural support and fluid communication through the running tool. A cement tube operates in selective fluid communication with the running tool bo...
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WO/2021/102277A1 |
The invention relates to the introduction of pressurized fluid, e.g. acid, into a subsea well directly from a vessel (33). A fluid injection assembly (20) is fitted to the top of a subsea Xmas tree (3), the assembly (20) including fail s...
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WO/2021/102001A1 |
A fluid routing plug for use with a fluid end section. The fluid end section being one of a plurality of fluid end sections making up a fluid end side of a high pressure pump. The fluid routing plug is installed within a horizontal bore ...
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WO/2021/102015A1 |
A fluid end comprising a plurality of fluid end sections positioned in a side-by- side relationship. Each fluid end section is releasably attached to a connect plate. Each connect plate is attached to a power source using a plurality of ...
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WO/2021/102311A1 |
The invention relates to the fluid treatment, such as acid stimulation, of a subsea hydrocarbon well via a subsea wellhead/Christmas tree. Fluid is delivered directly to the subsea wellhead from a pumping vessel. Control of the delivery ...
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WO/2021/101578A1 |
A downhole apparatus comprises a casing string with a removable plug therein to block flow therethrough. A flow barrier is positioned in the casing below the removable plug and the removable plug and the flow barrier defining a buoyancy ...
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WO/2021/096519A1 |
Seal elements for establishing fluid seals in a wellbore may be constructed of expandable metal materials. For example, an elongated gland of expandable metal may replace some or all the components in a packing stack of a locking mandrel...
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WO/2021/094717A1 |
A subsea rotating control device (RCD) system (1; 2) adapted to permit a tubular work string to pass there through such that there is an annulus created between the inner throughbore of subsea rotating control device (RCD) system (1; 2) ...
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WO/2021/096644A1 |
A method, system and computer readable instructions for video encoding comprising, determining one or more region of interest (ROI) parameters for pictures in a picture stream and a temporal down sampling interval. One or more areas outs...
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WO/2021/097017A1 |
A technique facilitates simplified cementing operations in a borehole with fewer trips downhole. The technique utilizes a cementing system having a stage cementing collar in combination with a cup tool. According to an embodiment, the st...
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