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WO/2023/107610A1 |
The effectiveness of expansive cement systems may be diluted when, during a well cementing operation, commingling takes place between the cement slurry and a spacer fluid, a drilling fluid, or both. Incorporating expansive agents in the ...
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WO/2023/107377A1 |
A packer system includes a packer assembly and a setting assembly. The packer assembly includes a packer mandrel that includes a shifting profile and an activation profile formed on an inner surface of the packer mandrel and an expandabl...
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WO/2023/108118A1 |
Subsea acoustic insulation is used to mitigate noise associated with any one or a combination of a deep-water production tree (14), a deep-water manifold or structure, subsea pumping equipment (26), or subsea compression equipment (30). ...
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WO/2023/107204A1 |
An aqueous composition comprises a filler and a dispersion of multi-stage polymer particles. The particles have a first stage formed from non-ionic ethylenically unsaturated monomers and ethylenically unsaturated acid functional monomers...
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WO/2023/107382A1 |
A packer assembly for use within a wellbore. The packer assembly may include a mandrel, a seal assembly disposed about the mandrel, and a deployment system disposed about the mandrel. The seal assembly may include a cup holder and a cup ...
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WO/2023/107383A1 |
A packer assembly for use within a wellbore. The packer assembly may include a mandrel, a seal assembly disposed about the mandrel, an anti-extrusion assembly disposed about the mandrel proximate the seal assembly to prevent extrusion of...
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WO/2023/101560A1 |
A downhole tool for installing a tubing hanger in a well without an umbilical, the tool comprising: a body defining a primary flow path; a first connector at a first end of the body for mechanically connecting the tool to a tubing hanger...
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WO/2023/097570A1 |
A fracturing device and fracturing method for a preset ball (8), wherein the fracturing device for the preset ball (8) comprises a mandrel (1), a cone (2), a sealing member (3), an anchoring mechanism (4), a lower connector (5), a connec...
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WO/2023/101782A1 |
A non-pressure sensitive ("NPS") module. The NPS module may include a mandrel, a lug assembly, a release sleeve, and a retention mechanism. The mandrel may have fluid pathways that balance pressure uphole of the mandrel and downhole of t...
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WO/2023/101655A1 |
A syntactic foam including a matrix material and a filler material. The filler material may include microspheres of metallic glass material, the microspheres may be hollow microspheres.
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WO/2023/099870A1 |
A method of terminating an electrical conductor for a wellhead comprises passing the conductor through a gland, and engaging the conductor and the gland with a positioning tool. First and second abutments on the positioning tool respecti...
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WO/2023/101765A1 |
Methods and system involving well control. In some embodiments, the system includes an injection spool coupled to a subsea wellhead including an inlet, a manifold in fluid communication with the inlet of the injection spool for mixing on...
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WO/2023/099861A1 |
An assembly (2) for use in completion of a wellbore to enable hydraulic fracturing to be conducted on the wellbore is described. Assembly (2) comprises hydraulic actuation means comprising at least one hydraulic cylinder (4) and at least...
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WO/2023/101733A1 |
Techniques of the present disclosure relate to designing a fluid. A method comprises receiving at least one known parameter for a fluid design; receiving at least one constraint for the fluid design; estimating at least one unknown param...
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WO/2023/096673A1 |
A method may include introducing a resin treatment fluid into a wellbore, the resin treatment fluid including a resin, a hardening agent, and a neutron contrasting agent; and allowing the resin treatment fluid to set to form a hardened m...
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WO/2023/094483A2 |
A downhole anchor mechanism for use in downhole tools. The downhole anchor mechanism generally consists of a plurality of sliders that pivot outwardly from a downhole tool body to engage distal ends thereof against a well casing. The sli...
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WO/2023/096960A1 |
This disclosure presents a method (400) and an apparatus for improving production performance of a well using a drill stem test tool (DSTT) (151). The method includes isolating a zone of interest (300) in the wellbore (120), then reducin...
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WO/2023/096655A1 |
Provided, in one aspect, are a downhole tool and a well system including a downhole tool. The downhole tool, in one aspect, includes a tubular, the tubular having an opening connecting an interior of the tubular and an exterior of the tu...
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WO/2023/096727A1 |
A method of controlling lost circulation includes introducing into a wellbore a lost circulation fluid comprising: an external oil phase, an internal aqueous phase, an emulsifier, a wetting agent, a magnesia sealant, and a; retarder; con...
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WO/2023/092836A1 |
A packing adjustment system and method, relating to the field of oil and gas equipment. The packing adjustment system comprises a control system, a driving system, a packing pressing cap loosening and tightening device, and a packing pre...
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WO/2023/096656A1 |
Provided is a downhole tool. The downhole tool, in one aspect, includes an isolation system for placement at a junction between a first wellbore and a secondary wellbore. In at least one aspect, the isolation system includes an elongated...
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WO/2023/091334A1 |
A downhole tool including a body having a function relevant to a selected environment, an electroactive polymer (EAP) anchor disposed with the body and configured to expand, upon application of an electric signal to the EAP, into loaded ...
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WO/2023/092012A1 |
The invention relates to the alignment of a tubing hanger (14) when installed in a subsea wellhead (11). Sensors (39a,b; 40a,b) detect when the orientation is correct and send a signal to the surface to provide positive confirmation of c...
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WO/2023/091300A1 |
System and methods for delivering objects formed of a solid material into a circulation fluid of a subterranean well include a volume transfer container (58). The volume transfer container has an inlet port (60), an outlet port (62), and...
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WO/2023/091890A1 |
A borehole tool including a unitary, single-piece basepipe having a first end portion, a second end portion, and an intermediate portion between the first end portion and second end portion, the first and second end portions being of lar...
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WO/2023/091928A1 |
Aspects of the disclosure relate to stage collars and related methods of operation thereof for stage cementing operations. In one implementation, a stage collar for stage cementing operations includes a barrel, and an activation sleeve d...
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WO/2023/091022A1 |
Disclosed is a system for remotely controlling a running tool to install equipment in a subsea well through a subsea structure. The system comprises: a control device for controlling the running tool; and a communication module for wirel...
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WO/2023/086748A1 |
A wellhead annulus packoff and an associated method of energizing and de-energizing are disclosed. The wellhead annulus packoff includes at least one seal element, a hanger lockdown ring, a hanger lockdown energizing ring, a seal lockdow...
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WO/2023/084220A1 |
The present invention relates to downhole tool assemblies (50) for use in deploying an alloy plug (61) or seal within a target region of an oil/gas well and clearing/removing well structures from said target regions. The assemblies are p...
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WO/2023/083947A1 |
A downhole tool (1) is provided for plugging a hole in a wall of a downhole tubular (11). The tool has a tool housing (3) and a sting (7) arranged within the tool housing. The sting is moved in radially outward direction from the tool fr...
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WO/2023/082781A1 |
The present invention relates to an application of a thermo-sensitive heteropolysaccharide polymer in improvement of an oil recovery factor. The thermo-sensitive heteropolysaccharide polymer is a heteropolysaccharide polymer produced fro...
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WO/2023/086754A1 |
A wellhead annulus packoff and an associated method is disclosed. A retainer lock mechanism of the wellhead annulus packoff is to sit at least partly within a first indentation of a hanger. The retainer lock mechanism includes a bottom s...
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WO/2023/083432A1 |
A system and a method for remote operation of a well equipment through a marine riser (50) is disclosed. The system is for remote operation of a well equipment through a marine riser (50), the marine riser (50) extending between a blowou...
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WO/2023/083889A1 |
The present invention relates to a downhole assembly for permanently sealing off a control line controlling a well component of a well tubular metal structure prior to plug and abandonment of a well having a top, comprising a first part ...
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WO/2023/083891A1 |
The present invention relates to a downhole expandable tubular for expansion in a well downhole from a first outer diameter to a second outer diameter to abut against an inner face of a well tubular metal structure or borehole, the downh...
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WO/2023/084253A1 |
A subsea control mechanism comprises a transmission system for transmitting drive mechanically from a common drive input to multiple control outputs engaged with respective control elements of a subsea system, such as a manifold. The tra...
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WO/2023/083946A1 |
A downhole tool, with an elongate tool housing that extends around a central longitudinal tool axis, houses a sting, a press device, and a bending arm. The sting is movable in a radially outward direction. The press device acts on the st...
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WO/2023/086104A1 |
A plugging tool includes an elongated inner housing allowing a first fluid to flow through a hollow interior of the inner housing, a retractable plunger positioned within the inner housing and operable to obstruct the flow of the first f...
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WO/2023/083945A1 |
A downhole injection tool for injecting a treatment fluid in a space surrounding a downhole tubular installed in a borehole in the Earth is based on an elongate tool housing extending around a central longitudinal tool axis. At least two...
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WO/2023/080913A1 |
A downhole tool suitable for use in a wellbore, the tool having a chassis or mandrel, a center element, a plurality of support elements, a first fingered member, and a second fingered member. In a run-in configuration, the first fingered...
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WO/2023/081597A1 |
A hydrostatic module interlock for a downhole tool including a piston having fingers extending from a body thereof, a piston mandrel telescopically arranged with the piston, and a retaining piston disposed to prevent finger deflection in...
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WO/2023/080909A1 |
Methods of capturing carbon dioxide in a wellbore can include installing a sealing element in the wellbore. The sealing element swells in the presence of carbon dioxide and can be used for capturing the carbon. The sealing element can in...
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WO/2023/081513A1 |
A safety integrity level rated control system includes a surface control system (100) and a subsea control system (116, 136, 140). The surface control system (100) includes one or more remote display panels (102), one or more buttons (10...
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WO/2023/081283A1 |
A system includes a top drive including a handling ring assembly including a main body, a main shaft that traverses the main body of the handling ring assembly, an internal blowout preventer (IBOP) valve, wherein the main shaft engages t...
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WO/2023/081026A1 |
A technique facilitates production of desired well fluids from a lateral wellbore or wellbores. Aspects of the technique comprise drilling and completing the main wellbore which may include a lower lateral wellbore portion. A production ...
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WO/2023/081692A1 |
A downhole tubing rotator that has a housing configured into a production tubing string in a well in a reservoir, the housing being generally cylindrical with a hollow center and containing a two pole, three phase induction squirrel cage...
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WO/2023/072430A1 |
A system for subsea operations and associated methods are disclosed. The system includes a well adapter (202C, 202B, 202C) to be associated with a production or monitoring well (210) where the well adapter can receive a cap (214A, 214B, ...
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WO/2023/076604A1 |
A tubing to annulus converting olive allows for conversion of a tubing-reading monitoring system to an annulus monitoring system.
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WO/2023/076851A1 |
A wellbore system includes a hanger lock energizing ring (202), a hanger lock ring (206), and a shoulder ring (204). The wellbore system further includes a seal energizing ring (228) coupled to the shoulder ring (204). The wellbore syste...
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WO/2023/075934A1 |
A stage cementing tool for use in a wellbore comprises a mandrel having a plurality of circumferentially spaced first longitudinal slots and a plurality of circumferentially spaced second longitudinal slots. An opening sleeve is disposed...
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