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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/2023/095986A1 |
The present invention relates to an apparatus for non-contact cutting a pile by using a waterjet and, more specifically, to a pile-cutting apparatus for cutting a pile after entering inside the pile, the apparatus comprising: a body whic...
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WO/2023/096496A1 |
The invention relates to a spear and packer tool (10): - said tool (10) arranged for being conveyed on a drill pipe string (6), - said tool (10) having a mandrel (11) having a through bore (12), 5 - a spear anchor mechanism (21) configur...
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WO/2023/084490A1 |
The invention provides a downhole tubular milling apparatus and method of milling a downhole tubular. The apparatus comprises a body configured to be attached to downhole conveyance equipment and at least two cutter bases connected to th...
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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/2023/086489A1 |
A downhole autonomous jet cutting tool includes a main body with a generally cylindrical configuration. The main body includes a locking unit actuable to engage the tool to an inner surface of the pipe, a hydraulic motor with a rotor and...
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WO/2023/079313A1 |
The present invention provides a fluid chemical reaction heat source composition for use in downhole operations. The present invention also provides an ignition assembly for use in initiating the reaction of the composition in a downhole...
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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/2023/072561A1 |
A ballistically actuated plug (2100) for being deployed in a wellbore casing includes a ballistic housing (2106) and an outer seal housing (2102). The ballistic housing includes a first housing portion including a chamber (2208), and a s...
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WO/2023/069356A1 |
A system for a downhole tubular includes a tubular having an outer surface and an inner surface. An anchor setting system is disposed in the tubular. The anchor setting system includes a motor system. An anchor assembly is disposed on th...
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WO/2023/069354A1 |
A window cutting system includes a whipstock connector, and a window mill selectively rotationally constrained to the whipstock connector. The window mill including an outer surface, an inner surface, a passage defined between the outer ...
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WO/2023/064162A1 |
A mill for a single casing string including a housing, a first blade section having a blade of a first profile disposed in the housing and positionable to axially mill the single casing string, a second blade section having a blade of a ...
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WO/2023/064239A1 |
Provided, in one aspect, is a method for forming a well system. The method, in one aspect, includes forming a wellbore within a subterranean formation, and positioning an anchoring subassembly within the wellbore. The method, according t...
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WO/2023/064161A1 |
A casing mill including a first milling configuration having a first blade for milling a first casing section, and a second milling configuration having a second blade, the second blade being an ultra-high expansion blade for milling a s...
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WO/2023/064236A1 |
Provided, in one aspect, is an anchoring subassembly, a well system, and a method for forming a well system. The anchoring subassembly, in at least one aspect, includes an orienting receptacle section, a sealing section coupled proximate...
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WO/2023/056426A1 |
A sidetracking method includes lowering a sidetrack assembly (105) to a target zone of a wellbore comprising a casing. The sidetrack assembly comprising a cutting tool (104) coupled to a wellbore string (102) and a whipstock (106) releas...
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WO/2023/031617A1 |
A method of sealing a casing comprising the steps of deploying a thin wall tube in the region the casing is to be sealed, melting a low temperature alloy and allowing it to flow into the annulus between the thin wall tube and the casing,...
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WO/2023/023295A1 |
A wellbore system includes method of cutting a casing in a wellbore. A string is disposed in the casing, the string including a cutting tool and an activation sub coupled to the cutting tool. The cutting tool includes a ball seat and a c...
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WO/2023/018413A1 |
A downhole tool for cleaning debris from an inner surface of a downhole casing that includes an inner mandrel moveable within the casing; and a scraper mandrel movably coupled to the outside of the inner mandrel by the engagement of a lu...
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WO/2023/018712A1 |
A casing cutting system including a tubular having a first end, a second end, an inner surface defining a passage extending between the first end and the second end, an outer surface, and a window extending through the inner surface and ...
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WO/2023/287679A1 |
Provided is a mill bit and well system. The mill bit, in one aspect, includes a tubular having an uphole end and a downhole end. The mill bit, in accordance with this aspect, further includes a first cutting section having one or more fi...
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WO/2023/285588A1 |
Method of removing casing from a well, in which an annulus between the outside of the casing and the inside of a surrounding downhole body is at least partially filled by debris, the perforated section of casing is washed in casing lengt...
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WO/2023/287681A1 |
Provided is a whipstock and well system. The whipstock, in one aspect, includes a coupling section having a first radius of curvature, the coupling section configured to engage with a mill bit when running in hole. The whipstock, in acco...
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WO/2022/271508A1 |
A tubular perforating apparatus includes a nozzle section comprising a nozzle head located therein and adjacent a combustible fuel material. The nozzle head includes an internal cavity and a nozzle portion including an opening on one sid...
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WO/2022/272163A1 |
Devices, systems and methods for cutting openings in a wellbore tubular by a slot cutting assembly having an anchoring system and a slot cutting tool. The anchoring assembly anchors the slot cutting assembly within the wellbore. The slot...
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WO/2022/272161A1 |
Systems and methods presented herein provide for cutting in a borehole or casing. A cutting device can include a first arm having a cutting blade, wherein the cutting blade has side cutting teeth and an axis of rotation that is substanti...
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WO/2022/271912A1 |
A method of performing a well bore operation in a well bore includes connecting a window mill to a whipstock connector forming a tubular section, supporting a tool below the whipstock connector, running the window mill, the whipstock con...
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WO/2022/266114A1 |
Apparatus, systems, and methods are used for activating a downhole tool, powered by an exothermic reaction, tor operation, while deploying a tubing string from a wellbore surface. The tubing string comprises a coupling for enabling press...
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WO/2022/266215A1 |
A severing apparatus is used for severing a conduit. The apparatus includes a main body section having an upper portion, a lower portion, and an intermediate portion. A combustible charge is located in the intermediate portion, and an ig...
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WO/2022/261076A1 |
Provided is an isolation sleeve for use with a frac window system, a well system, and a method. The isolation sleeve, in at least one aspect, includes a tubular having a first tubular end and a second tubular end, and a first high-expans...
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WO/2022/261476A1 |
Tubulars are used to seal a leak in completion equipment, such as parted connection (or parted casing) or damaged casing, isolate a casing perforation or an open hole zone, by expanding the tubulars over the leak, perforation, or zone, w...
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WO/2022/261056A1 |
Provided is a frac window system, a well system, and a wellbore stimulation method. The frac window system, in one aspect, includes an elongated tubular having a first end and a second end with an opening defined in a wall of the elongat...
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WO/2022/261088A1 |
Provided is a whipstock for use with a frac window system, a well system, and a method. The whipstock, in at least one aspect, includes a housing having a first whipstock end with a contoured surface and a second whipstock end, and one o...
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WO/2022/252439A1 |
An integrated inclination guider, comprising a base seal body (1), an inclination guide body (2) arranged on the base seal body (1), a windowing milling cone (3) having an inclination guide surface (201), a screw (4) positioned on one si...
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WO/2022/256504A1 |
A mill including a housing having a fluid bypass pathway, a milling feature at a longitudinal end of the housing, a chamber defined by the housing, and a piston disposed in communication with the chamber, the piston defining a fluid pass...
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WO/2022/243056A1 |
The present invention relates to a downhole pressure equalizer (10) comprising an elongated housing (11) comprising a piston compartment (12) having a first end (12a) provided in fluid communication with an outside (OS) of the elongated ...
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WO/2022/238491A1 |
A downhole method for preparing and/or providing isolation at a predetermined position in an existing well having a top and a first well tubular metal structure arranged in a wellbore, the first well tubular metal structure having a long...
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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/2022/240821A1 |
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/2022/231438A1 |
The invention relates to an axial position-controlled operation toolstring (1) for conducting an axial position-controlled operation in a well. The toolstring (1)comprising from below and up: - a casing cutter tool (20) comprising knives...
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WO/2022/222200A1 |
The present invention relates to the field of oil field oil extraction. Specifically disclosed is a network neural cable for oil-gas well mining, comprising a cable body. The cable body comprises an insulating layer and a detection sub-c...
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WO/2022/197946A1 |
A method of remediation includes positioning a well tool in a bore of the first wellbore tubular, the well tool having at least one shaped charge and at least one propellant body. The method further includes detonating the shaped charge ...
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WO/2022/192214A1 |
A repairing assembly includes a housing, a packer, and a thermal spray assembly. The housing is attached to a wellbore string disposed within a wellbore with casing. The packer is coupled to the housing. The packer is set on a wall of th...
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WO/2022/186702A1 |
The invention is a drill pipe string conveyed ball valve tool (10) comprising: - a mandrel (101, 201) with a through bore (102, 202) connectable to said drill pipe string, - an axially stroking piston (103, 203) and piston rod (104, 204)...
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WO/2022/174282A1 |
A milling tool for cutting an inner casing string of a wellbore, the milling tool comprising a tool body, an extendable cut-out blade located in the tool body and configured to cut the inner casing string to form a starter window, and an...
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WO/2022/164322A1 |
A device for removing part of a liner or casing of a well or pile is provided, the device comprising a device body, which is arranged around a centreline of the device body, one or more hollow conduits comprising oxidizable material at l...
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WO/2022/157347A1 |
The present invention relates to a downhole wireline tool string for removing material of a component in a well downhole by an annular grinding area, the downhole wireline tool string having an axial extension and a centre tool axis, a f...
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WO/2022/150529A1 |
The invention provides a cutter base for a downhole tubular milling apparatus and a removable functional cassette for the cutter base. The cutter base comprises at least one slot for receiving a removable functional cassette and a portio...
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WO/2022/150306A1 |
Methods and systems are provided for breaching a ceramic disk (120) installed in a wellbore during oil and gas well completion and production activities. More specifically, the disclosure relates to breaching a ceramic disk (120) with a ...
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WO/2022/132624A1 |
An annular cutter catching device includes a housing having an inner bore therethrough, a cutter configured to cut a coupon, and a coupon catching device configured to grip an outer surface of the coupon. In an embodiment, an annular cut...
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