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WO/2024/086075A1 |
A tool catcher system includes a housing including an upper body connected to a lower body, the housing defining a central opening for receiving a tool. The tool catcher system also includes a plurality of segments and a hydraulic piston...
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WO/2024/043789A1 |
A wellbore fishing tool (1) configured for engaging and retrieving a fish in a subterranean well, comprising an actuation motor (5) and an actuation member (23) operated in an axial direction by the actuation motor. It further comprises ...
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WO/2024/030459A1 |
A method for pulling casing includes disposing a casing modification and pulling tool having an element therein that includes a profile, causing the element to move radially outwardly into contact with a casing disposed radially outwardl...
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WO/2024/016567A1 |
The present invention relates to a strong magnetic salvaging tool and a strong magnetic performance testing method. The strong magnetic salvaging tool comprises a mandrel (1); a plurality of ribs (11) are arranged on the outer wall of th...
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WO/2024/005847A1 |
An apparatus for severing a conduit in the borehole includes a combustible fuel; a nozzle section comprising a cavity with apertures providing passages from the cavity to outside the apparatus; a movable swirl generator located between t...
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WO/2023/209026A1 |
The present invention relates to a wireline intervention tool string (1) for operating in a well (2) having a longitudinal axis, a top (51) and a bottom (52), comprising a tool housing (3) having a longitudinal tool axis, a first part co...
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WO/2023/183577A1 |
A system for performing a mechanical operation on a wireline is described including: a motor; a gear train coupled to the motor, the gear train including a first and a second rotational output, the first and second rotational outputs hav...
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WO/2023/178207A1 |
A processing system operable to quantify pollutant emission related to downhole conveyance operations. The processing system may comprise a processor and a memory storing computer program code that, when executed by the processor, causes...
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WO/2023/172417A1 |
A tubular running tool equipped with a mandrel having an elongated body with a longitudinal axis and configured for suspension above a wellbore. A plurality of slips are disposed on the mandrel. Each slip is configured to receive and ret...
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WO/2023/161820A1 |
A method for locating and retrieving a line, tube or conduit ("line") disposed in a well includes moving an intervention tool into a part of the well wherein the line is accessible to the tool when the tool is conveyed into the well from...
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WO/2023/147286A1 |
A fishing jar includes an outer housing, a mandrel positioned at least partially within the outer housing and having a fish end, an anvil coupled to or integral with the mandrel, a hammer coupled to or integral with the outer housing, an...
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WO/2023/113835A1 |
Methods and apparatus for retrieving a fish from a wellbore. A method includes introducing a specialized fishing tool into the wellbore. The specialized fishing tool includes a fishing subassembly comprising a nonreflective interior, a s...
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WO/2023/102258A1 |
Systems and methods presented herein generally relate to advanced fishing of downhole cables, for example, using camera assemblies to monitor the relative position of a fishing tool with respect to cable wire in substantially real time. ...
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WO/2023/092173A1 |
A shock absorber (24) for a downhole tool (18) is disclosed. The shock absorber (24) includes a downhole portion (32) defining a bore (34), and an uphole portion (36) configured for direct or indirect connection to the downhole tool (18)...
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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/2023/091443A1 |
A downhole vibration tool includes a body, a mandrel, a spring, and a balance piston. The body may be generally tubular and may have one or more helical slots formed on an inner surface thereof. The mandrel may be generally tubular, may ...
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WO/2023/064154A1 |
An industrial gas spring with a hydraulic accumulator includes a piston rod of the received in a hydraulic chamber connected to a gas over hydraulic fluid accumulator chamber in which a compressed gas determines the force required to yie...
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WO/2023/059814A1 |
A friction reduction system disposable in a wellbore includes a first valve member including an inner surface which includes a valve seat; and a second valve member rotatable concentrically about a central axis of the first valve member ...
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WO/2023/044180A1 |
A wiper plug can be used in wellbore operations. The wiper plug can include a fishing neck located at a rear portion of the plug. The fishing neck can be a male or female fishing neck. A corresponding male or female fishing tool can be u...
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WO/2023/044176A1 |
A ranging system having magnets positioned at various locations along the drive system. Location of the magnetics is shifted to different points on the drilling string to remove the need for a nearby bit sub that would detrimentally affe...
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WO/2023/034177A1 |
A reentry guide tool includes an overshot defining a lower end and comprises a bowl and grapple. The bowl defines an interior space of the overshot, and the grapple is disposed in the bowl and is operable to engage a tubular. A tubular g...
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WO/2023/034388A1 |
Examples described herein include systems and methods associated with a mechanical service tool. In one example, the service tool includes a power jar, an accelerator, and a linear actuator. The accelerator can be coupled to the power ja...
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WO/2023/028447A1 |
A mechanical jar including a housing, a piston disposed in the housing and responsive to applied fluid pressure to move in a first direction relative to the housing, a biasing arrangement disposed in the housing and configured to bias th...
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WO/2023/021294A1 |
A manipulation element for a downhole tool, the downhole tool comprising a camera assembly including a lens. The manipulation element comprises a root portion connectable to said downhole tool, the root portion including an aperture for ...
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WO/2023/020540A1 |
A self-vibrating drilling flexible drilling tool, which relates to the technical field of flexible drilling tools and mainly comprises a flexible drill string and a self-vibrating stub (4). Various parts are connected by a universal tran...
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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/2022/269046A1 |
A method for retrieving a well tool (10) from a well includes retracting a deployment cable (12) coupled to the well tool. The well tool has connected on a longitudinal proximate the connection to the deployment cable an impact jar (20),...
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WO/2022/243563A1 |
The present invention relates to a circulation tool (T), where the circulation tool comprises a setting tool (1) and a pipe element (2) to which at least one gasket (3) is connected, wherein the setting tool comprises a housing (4) in wh...
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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/2022/231438A1 |
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/2022/223691A1 |
The invention relates to an impact device for a drill string, comprising a tube having a variable length and a longitudinal extent and comprising a first tube element (21) and a second tube element (22) which is displaceable in the direc...
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WO/2022/192707A1 |
An external filter assembly is shown having a slotted filter section, including an optional upper collar attached below the mounting member, and lower collar attached below the bottom cap of a lower filter element, where each collar incl...
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WO/2022/182762A1 |
A laser system for freeing downhole equipment (330, 430, 530) includes a laser tool (202, 302, 402, 502) having an inner diameter (226) larger than an outer diameter (228) of the downhole equipment (330, 430, 530) and a means for generat...
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WO/2022/149987A1 |
A wellbore tool (1) comprising an inner bore (17a), an axially forward-facing aperture (32) constituting an access between the exterior of the wellbore tool (1) and at least a part of the inner bore (17a). The wellbore tool (1) further c...
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WO/2022/150307A1 |
Methods and systems are provided for dislodging a ferromagnetic disk removably installed in a wellbore. The disk can be installed in the wellbore during oil and gas well completion and production activities to maintain pressure within th...
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WO/2022/146903A1 |
Systems and methods for accessing a wellbore of a subterranean well downhole of abandoned subterranean welbore equipment include a re-entry guide secured to an uphole end of an overshot. The re-entry guide and overshot together form a re...
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WO/2022/146905A1 |
Systems and methods for retrieving equipment from a wellbore of a subterranean well include an overshot housing having a central axis. The overshot housing is a tubular shaped member with a housing bore. An internal sleeve is located wit...
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WO/2022/133580A1 |
A wellbore magnetic tool apparatus is used for generating a magnetic field emanating from a tubing string. The apparatus has a tubular body for connection in series with the tubing string. Magnetic elements are mounted within one or more...
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WO/2022/132348A1 |
A system, method, and apparatus can identify groundwater as a drilling machine (200) drills a drill hole (100). Presence or not of groundwater can be continuously monitored as the drilling machine (200) drills the drill hole (100) using ...
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WO/2022/133249A1 |
A smart jarring system for freeing stuck equipment downhole is disclosed. The smart jarring system comprises a set of jars (20.1, 301, 401, 501, 601), at least one laser source (224, 324, 424, 524) and at least one laser receiver (232, 3...
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WO/2022/129429A1 |
A reciprocating drive apparatus (10) comprises a housing (12) and a mandrel (14), configurable to be rotated relative to each other. The apparatus further comprises a reciprocating piston (16) mounted within a piston housing (18) to defi...
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WO/2022/132147A1 |
This disclosure provides a downhole debris removal apparatus, a method for assembling a downhole debris removal apparatus, and a well system including the same. The downhole debris removal apparatus, in one aspect, includes a crossover s...
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WO/2022/093954A1 |
A system can comprise a drill string sub that is configured to couple to a drill rod of a drill string, wherein the drill string sub defines a shoulder and at least one through hole. A plug assembly can be receivable with a bore of the d...
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WO/2022/081154A1 |
A downhole component can include a support body that includes a surface that defines at least a portion of a fluid passage; a composite matrix for scale mitigation supported by the surface of the support body where the composite matrix i...
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WO/2022/072591A1 |
An overshot assembly can include a distal body portion. The distal body portion can have a central axis, a length along the central axis, and an outer surface. An outer surface of the distal body portion can define, along at least a port...
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WO/2022/066608A1 |
A drilling assembly includes a drill string configured to be disposed within a wellbore. The drilling assembly also includes a sub fluidically coupled to the drill string. The sub includes a mandrel fixed to the drill string and defines ...
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WO/2022/055525A1 |
A system for retrieving a source element from a well may include a logging tool (160) made of a first material, a milling tool (600), and a control device (460). The logging tool (160) may include a cylindrical housing having a central c...
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WO/2022/053489A1 |
An apparatus for cyclically releasing axial load comprises a control mechanism including a control member radially moveable between a load retaining position in which the control mechanism provides an axial support to a load member to al...
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WO/2022/046126A1 |
A fluidic agitator includes a seamless insert body having an outer enclosure wall defining an enclosed cavity and a plurality of inner channel walls arranged to define an inlet chamber, a vortex chamber, and a feedback chamber within the...
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