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WO/2022/237777A1 |
The present invention relates to a method for reinforcing a natural gas hydrate reservoir. The natural gas hydrate reservoir comprises an upper covering layer (1) and a lower covering layer (2), wherein a hydrate region (3) for natural g...
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WO/2022/241055A1 |
Methods of plugging a hydrocarbon well by using degradable plugs are provided. When the plug is no longer needed, a degradation fluid or fluids are pumped downhole under high pressure, typically via jet, such that the degradation fluid p...
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WO/2022/240435A1 |
A downhole tool for use in a well comprising a mandrel and an outer sleeve slidably disposed about the mandrel. An inner sleeve is slidably disposed in the mandrel. A drive pin comprising a drive pin bushing connected to the outer sleeve...
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WO/2022/240821A1 |
A separable tool including a mill section, a mill face disposed on the mill section and having a bore therethrough that is offset from a longitudinal axis of the mill section, a tool adapter section, and a release configuration releasabl...
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WO/2022/241422A1 |
A lock sequencing system includes a first fluid line that couples a fluid source to a first portion of a piston cavity of a blowout preventer and to a hydraulic motor of a lock. A first discharge valve is positioned along the first fluid...
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WO/2022/236083A1 |
A flow-transportable dart for actuating a sliding sleeve valve of a system for stimulating an earthen formation includes a mandrel including a first end, a second end opposite the first end, and a central passage extending between the fi...
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WO/2022/231821A1 |
A stage tool used in a wellbore has two sub-housings that couple together. A first sleeve is movably disposed in the tool and is held closed with a temporary connection relative to a side port. The first sleeve has a first seat of millab...
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WO/2022/231722A1 |
A stage cementing tool has a mandrel defining a central flow passage and a plurality of fully open cement flow ports. A packer disposed about the mandrel is movable from an unset to a set position. An opening sleeve is movable in the man...
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WO/2022/229887A1 |
Apparatus and associated methods relate to pre-completion skin repair of releasably isolated wellbore perforation clusters. In an illustrative example, a completion method includes dividing a target portion of a wellbore casing into N di...
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WO/2022/231579A1 |
An expandable packer includes an activatable sealing element locatable in a borehole having a wall and activatable with a reactive fluid. The sealing element includes a swellable metal capable of reacting with the reactive fluid to form ...
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WO/2022/228978A1 |
The invention concerns a well tool (100), a well tool system (300) and a method for performing an operation in an oil/gas well. The well tool (100) comprises an anchoring device (110) for longitudinally locking the well tool (100) to a b...
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WO/2022/231663A1 |
A wellbore anchoring device having an adjustable injection valve is disclosed. The anchoring device can include the adjustable injection valve and a spring. The spring can be positioned adjacent to the adjustable injection valve. The spr...
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WO/2022/228977A1 |
The invention concerns a well tool (100), a well tool system (300) and a method for performing an operation in an oil/gas well. The well tool (100) comprises an orientation system (120) for longitudinal and rotational orientation of the ...
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WO/2022/232814A1 |
A method for determining a predictive life of a pressure containing component includes determining, from sensor data, one or more cycles. The method also includes generating one or more additional cycles. The method further includes dete...
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WO/2022/232202A1 |
Seal assembly (100), useful for repairing an uncontrolled surface such as pipeline (110), comprises seal (102) which is subjected to pressure and temperature and remains operable under, e.g., subsea conditions. Seal assembly (100) is cap...
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WO/2022/232201A1 |
Seal assembly (100), useful for repairing an uncontrolled surface such as pipeline (110), comprises seal (102) which is subjected to pressure and temperature and remains operable under, e.g., subsea conditions. Seal assembly (100) is cap...
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WO/2022/231720A1 |
A stage cementing tool has a mandrel defining a central flow passage and a plurality of cementing passages in a wall thereof. A packer is disposed about the mandrel. A closing sleeve is detachably connected to and movable relative to the...
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WO/2022/221819A1 |
An annular blowout preventer (BOP). The annular BOP includes an annular housing having a base. The base includes a plurality of fasteners extending from an interior of the housing to an exterior of the housing via fastener holes formed t...
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WO/2022/220792A1 |
Provided is a sealing tool, a method for sealing an annulus within a wellbore, and a well system. The sealing tool, in at least one aspect, includes a sealing assembly positioned about a mandrel. In at least one aspect, the sealing assem...
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WO/2022/219019A1 |
The present invention relates to an annular barrier for providing isolation of a zone in a well having an isolation layer of less than 5 metres, comprising a tubular metal part configured to be mounted as part of a well tubular metal str...
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WO/2022/219330A1 |
An apparatus comprising a mandrel (51, 251, 351) having a main longitudinal direction and defining a throughbore in that direction and a packer element (52, 352) mounted thereon. A seal bore extension (122) is attached, directly or indir...
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WO/2022/219329A1 |
A casing packer apparatus (P) comprising a mandrel (2) having a longitudinal throughbore, a packer element (6) mounted on the mandrel, and an expansion mechanism comprising a piston (11, 12) configured to move the packer element from a f...
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WO/2022/221754A1 |
A cementitious nano-engineered method and resultant composite includes a modified aggregate material configured from a plurality of fine aggregate particles (FAg) particles pretreated with a graphene oxide (GO), wherein the graphene oxid...
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WO/2022/220798A1 |
Multiple layers of a seal can be formed to pressure-seal an open-hole wellbore in a subterranean formation. The seal can include at least one element and a sealing mixture between the element and a container housing for pressure sealing ...
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WO/2022/220693A1 |
Seal assembly (10) to prevent fluid flow in at least one direction in a tool annulus between the seal assembly (10) and a casing pipe (2), where the seal assembly (10) comprises: a tool mandrel (11) with a through bore (13), a double con...
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WO/2022/221831A1 |
A liner hanger running system including a liner hanger having a body including a wall defined by an outer surface and an inner surface. The body includes an opening that extends through the outer surface and the inner surface. A piston h...
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WO/2022/213168A1 |
The present invention discloses formulations for pumpable thermite and a method for closing and abandoning oil wells involving the use of said formulations. The technical effect provided by the aspects of the invention relates to the rem...
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WO/2022/217196A1 |
A packer including a packer element, a mandrel about which the packer element is disposed, an intensifier configuration on the mandrel.
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WO/2022/216286A1 |
A wellbore fluid inductance monitor is disclosed, which operates at an end of a tubular in a wellbore. The wellbore fluid inductance monitor comprises an inductor in an electrical circuit. A magnetically doped portion of wellbore fluid, ...
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WO/2022/214393A1 |
The invention relates to a wellhead connection device (10) for the top-side connection of a pipe run of a deep well. A wellhead connection device (10) according to the invention has a housing (12) with a through-opening (14), and a pipe ...
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WO/2022/217197A1 |
A backup including a capture ring, and a backup ring articulated to the capture ring.
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WO/2022/216292A1 |
A downhole tool including an insertion member arranged to insert into and form an annular seal with a receiving member using an annular seal assembly. The seal assembly includes a compliant metal spring and a separate metal cover overlap...
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WO/2022/216273A1 |
A wellbore downhole tool, comprising: a nozzle assembly, the nozzle assembly includes a nozzle including: a cylindrically-shaped tube with a substantially uniform outer diameter across substantially an entire height of the nozzle, at lea...
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WO/2022/213022A1 |
The invention relates to the use of a casing or liner (3) with pre-formed, selectively openable apertures (5), in plug and abandon operations at the end of life of a hydrocarbon well. The casing or liner (3) is installed at the start of ...
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WO/2022/210240A1 |
Provided are: a molded product in which the strength anisotropy between the MD direction and the TD direction is small; and a processed article of the molded product. A molded product (10) contains a glycolate-based polymer and multiple ...
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WO/2022/211788A1 |
A plugging system for plugging a cased well in a single trip downhole. The plugging system may include a tool string positionable within the cased well and including a bore and a downhole tool coupled to the tool string. The downhole too...
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WO/2022/212817A1 |
Disclosed herein are various embodiments of well control system for drilling an oil or gas well safely and efficiently by providing a mechanical actuator capable of transmitting a rotational force downhole, and converting the rotational ...
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WO/2022/211902A1 |
Apparatus and method for passive gas separation in a through-tubing-conveyed (TTC) pump system comprise abruptly reversing a flow direction of wellbore fluids from flowing up the wellbore to down into a liquids reservoir. The generally a...
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WO/2022/211802A1 |
A system is described for forming a debris barrier downhole in a wellbore. The system may include a mandrel, a retrievable downhole tool, and a debris ring. The mandrel may be positionable within a wellbore. The retrievable downhole tool...
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WO/2022/154952A9 |
A back-up ring system incudes an outer C-ring, an inner C-ring that mates with the outer C-ring, the inner C-ring including a first rupture port, and a ring sheath that fits onto the inner C-ring, the ring sheath including a cut-out regi...
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WO/2022/200559A1 |
The present invention relates to a wireline plug system for setting a permanent plug in a well for plugging and abandonment, comprising a wireline pumping tool comprising a pump powered from surface via a wireline, the pump comprising a ...
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WO/2022/204082A1 |
An isolation plug tool including a mandrel, an anchor assembly disposed on the mandrel, a seal assembly disposed on the mandrel having a seal, and a sleeve removably disposed radially outwardly of the seal.
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WO/2022/194656A1 |
The present invention relates to a well tool device (10) for forming a permanent barrier in a well (WE). The well tool device (10) comprises a pyrotechnic mixture (40) comprising a first constituent and a second constituent, wherein the ...
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WO/2022/193024A1 |
A downhole component for integration in wellbore string is provided. The downhole component includes fluid conduits enabling fluid flow therethrough and a sealing element connected to the fluid conduits and operable between a disengaged ...
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WO/2022/194202A1 |
A full-electric drive cementing control system, comprising: a water supply system for supplying clear water; an ash supply system for supplying dry ash; a slurry mixing system for performing a slurry mixing operation to form slurry; a pl...
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WO/2022/192979A1 |
A system and method for fracking a hydrocarbon formation. An actuating member, flowable along a production string, is provided. A unique key portion thereon engages a desired sliding sleeve covering an associated port in the production s...
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WO/2022/194654A1 |
The present invention relates to a well tool system (1) for forming a permanent barrier in a well (WE), the system comprising: a well tool device (10) comprising a pyrotechnic mixture (40) and an ignition device (50) provided within or a...
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WO/2022/194655A1 |
The present invention relates to a method for providing a permanent barrier in a well (WE). Step a) comprises lowering a first, particulate constituent (45) of a pyrotechnic mixture (40) to a desired location in the well (WE); wherein th...
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WO/2022/198205A1 |
A setting and retrieval mechanism for a well tool including a mandrel, a body lock ring disposed on the mandrel, a body lock ring engagement member engaged and disengagable with the body lock ring, and a setting load and retrieval sleeve...
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WO/2022/197189A1 |
1. A method for pulling a casing, comprising the steps of: - assembling a toolstring of - a drill pipe string, - a through bore cutter tool (20), - a swivel (30) below the cutter tool (20), - a swab cup wash tool (40), - a perforation gu...
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