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WO/2022/040567A1 |
An overshot apparatus includes a tubular housing (115) and a grapple (121) disposed within a bore of the tubular housing. The grapple (121) has a central opening to receive a fish and is operable to grip an outer diameter of the fish. A ...
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WO/2022/019928A1 |
A method of removing a target fish from a wellbore includes preparing a fishing assembly having a magnetized pipe coupled to an end of a work string. The fishing assembly is run into the wellbore, and the magnetized pipe is positioned at...
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WO/2021/262011A1 |
A method for cutting off a tubular in a subterranean well and removing a cut-off section of said tubular from the subterranean well, wherein the method comprises: - providing a downhole tool assembly (10) on a work string (20) wherein a ...
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WO/2021/257691A2 |
Systems and methods for collecting debris in a subterranean well include a wellbore cleanout tool having a tool housing with a tool bore. The wellbore cleanout tool further includes a power source, a wire in electrical communication with...
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WO/2021/247696A1 |
A method of freeing a stuck pipe includes positioning a pipe freeing tool within the wellbore at a location proximate the stuck pipe, the pipe freeing tool including a downhole conveyance; and an arm coupled to the downhole conveyance, a...
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WO/2021/247698A1 |
A method of freeing a stuck pipe in a wellbore includes positioning a pipe freeing tool within an annulus of the stuck pipe, the pipe freeing tool including a body and two or more arms coupled to and extending from the body, and activati...
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WO/2021/236642A1 |
A wellbore assembly including a cable disposed within a wellbore and a fishing jar assembly coupled to the cable. The fishing jar assembly includes a housing assembly, a mandrel assembly, a fishing assembly, and an actuator. The housing ...
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WO/2021/217890A1 |
An alloy material for a heavy oil surface tension treatment, composed of a matrix phase and a Ce addition phase. The matrix phase is (PrDy)2Fe14B; the alloy ingredients of the Ce addition phase are represented in mass percentages by ((Nd...
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WO/2021/216095A1 |
A system and method for identifying a position of a sliding sleeve. The system may comprise an outer housing, a sliding sleeve within the outer housing, one or more magnetic switches, and a magnet. A method may comprise closing a switch ...
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WO/2021/198751A1 |
The present disclosed embodiments include apparatuses, systems, and methods for alleviating stuck drill pipe and stuck drill string incidents during drilling operations. A rotary dynamic system (40) includes: a drill pipe (28); a bearing...
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WO/2021/202502A1 |
A system and apparatus for applying and removing weight from a tool string over an installed wireline, including a weight section having a longitudinal slot and a removable closure bar.
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WO/2021/191831A1 |
A drilling jar includes an outer tubular housing having an inner bore. An inner tubular assembly is telescopically received within the housing. A valve assembly is disposed between the inner tubular assembly and the outer housing. The va...
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WO/2021/189837A1 |
Disclosed is a method for salvaging a down-the-hole hammer drilling tool. The method comprises the following steps: removing drilling tool sediment which has fallen into a hole; mounting a catcher (11) on a hoisting device, the catcher b...
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WO/2021/183528A1 |
Provided, in one aspect, is a downhole magnetic debris removal apparatus. The downhole magnetic debris removal apparatus, in one aspect, includes a housing having a longitudinal axis, and a plurality of magnets arranged as one or more Ha...
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WO/2021/175995A1 |
A method and apparatus to move an object in an open hole section of a wellbore. A bottom hole assembly including a downhole pulling tool and fishing device is described. The downhole pulling tool includes an open hole anchor to allow loc...
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WO/2021/178126A1 |
A method and apparatus for operating a debris collection tool (500). The tool includes a cover assembly (100) having a plurality of covers (120) spaced from one another along the length of the assembly creating a gap between adjacent cov...
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WO/2021/173161A1 |
Disclosed herein are aspects of an expandable metal fishing tool for use in a wellbore. The expandable metal fishing tool, in one aspect, ncludes a mandrel. The expandable metal fishing tool, according to this aspect, further includes on...
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WO/2021/137922A1 |
A mechanically locking hydraulic jar device includes an outer sleeve, an inner sleeve partially disposed in an inner bore of the outer sleeve, and a mechanical lock engaging the outer sleeve and the inner sleeve in a default position to ...
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WO/2021/133244A1 |
A lift assembly (2) for lifting an article, the lift assembly being locatable within a passage (11) associated with the article, the passage having a shoulder (15) located therein; the lift assembly including: an elongate main body (5) h...
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WO/2021/127112A1 |
A drill pipe assembly (18) has an inner tubular member (20) with a Trojan central bore (22). An outer tubular member (26) circumscribes the inner tubular member. An annular storage space (28) is defined between the outer tubular member a...
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WO/2021/119825A1 |
Apparatus and methodologies for recovering equipment from a subterranean wellbore are provided, the apparatus operative to both disconnect uphole equipment from downhole equipment that has become lodged in the wellbore, salvaging the uph...
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WO/2021/125971A1 |
A method was disclosed for pulling a tubular out of a subterranean well. The method including the steps of:i) lowering a work string into the subterranean well, the work string comprising a perforating tool for perforating the tubular, a...
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WO/2021/059304A1 |
The expandable well fishing tool used in drilling is a controllable mechanical device that contains electronic and hydraulic components and is used as a fishing tool in oil and gas wells. If one of drilling tools or equipment falls into ...
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WO/2021/046115A1 |
An apparatus includes a tubular, pressure sensors, expandable pads, a hydraulic chamber, and a computer system. The apparatus can be run in a wellbore. The apparatus is configured to detect whether the tubular is stuck within the wellbor...
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WO/2021/034811A1 |
An apparatus includes a housing, engagement slips, a tubular, a taper tap, a pin, and a slip activation member. The housing includes a profile that defines a path including a first end and a second end. The engagement slips are attached ...
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WO/2020/260545A1 |
A method of severing casing of an inner casing string located inside an outer casing string in a well bore, without damaging the outer casing string. A casing severing tool is run into the inner casing string and by determining a locatio...
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WO/2020/256563A1 |
The invention is a casing retrieval drill pipe string (0) conveyed toolstring assembly (1) for a well comprising one or more casings (130, 120, 118), said toolstring assembly comprising: - a casing spear tool (30) arranged for engaging a...
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WO/2020/239642A1 |
A downhole actuator (16) includes a piston (15) within a chamber (17) on which fluid can act on either side to hydraulically activate the actuator. A hydrostatic equilibrium device (18) and a valve (14) are mounted around the hydraulic a...
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WO/2020/232035A1 |
Systems and methods for unsticking a tubular string (104) in a subterranean well (100) that is a stuck pipe include securing a circulation sub (116) to an uphole end of the tubular string (104) outside of the subterranean well. The buoya...
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WO/2020/229564A1 |
A recovery assembly which includes an anchoring device (38) and jacking tool (34) which incorporates a resetting mechanism (270). The jacking tool (34) is positioned below a cut point (22) on tubing (24) and grips the remaining tubing wh...
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WO/2020/227306A1 |
A drilling assembly includes a hydraulic amplifier assembly, a driver, a bearing housing, and a shaft. The hydraulic amplifier assembly is configured to increase a pressure of a drilling fluid so as to produce a pressurized drilling flui...
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WO/2020/212247A1 |
A thrust bearing comprises a mandrel and a bearing assembly mounted axially along the mandrel. The bearing assembly comprises a bearing housing and a bearing piston axially and rotatably mounted relative to each other, and a plurality of...
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WO/2020/205461A1 |
A drill rig having a longitudinal drilling axis, a front portion, and a rear portion can comprise a feedframe aligned with the longitudinal drilling axis, a first head assembly coupled to the feedframe and configured to rotate a drill st...
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WO/2020/176352A1 |
An apparatus and method for performing automated pump-down operations. An apparatus may include a control system configured to be communicatively connected with a fluid pump disposed at a wellsite surface and with a conveyance device dis...
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WO/2019/177707A9 |
A system including a gripping tool and a rotary cutting tool may be used to grip a section of casing while cutting through a lower portion of the casing in a single trip. The gripping tool includes a mandrel with a flow bore extending th...
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WO/2020/165369A1 |
A vibratory casing recovery bottom hole assembly and a method of recovering casing in a wellbore. The vibratory casing recovery bottom hole assembly includes a casing spear, a flow modifier and a dynamic amplification tool. The flow modi...
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WO/2020/167688A1 |
One downhole-type tool of a set of interchangeable downhole-type tools is interchangeably received by a pump-down adapter. The downhole-type tool is positioned by the pump-down adapter within a wellbore tubular. The downhole-type tool is...
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WO/2020/165364A1 |
A method of recovering casing in a wellbore using a vibratory casing recovery bottom hole assembly. In a vibratory casing recovery bottom hole assembly having a casing spear, a flow modifier and one or more further elements including a s...
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WO/2020/165367A1 |
A method and apparatus for casing recovery in well abandonment using a hydraulic jack and a downhole flow pulsing device to create a cyclic pressure on the fluid used to move a piston of the jack and thereby oscillate a mandrel of the ja...
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WO/2020/151249A1 |
Disclosed is a cable-type hydraulic jar, comprising an upper connector assembly (1), a balance accelerating assembly (2), a jarring assembly (3) and a lower connector assembly (4) connected in sequence. The upper connector assembly (1) a...
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WO/2020/146143A1 |
A jarring tool can include a longitudinally displaceable piston, a first fluid chamber having a volume that decreases in response to displacement of the piston, a flow controller that controls flow of fluid between the first fluid chambe...
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WO/2020/131031A1 |
Provided, in one embodiment, is a pulling prong. The pulling prong, in one example, includes an outer housing, and a nose assembly slidably located within the outer housing. In this example, the nose assembly and outer housing form an ac...
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WO/2020/122732A1 |
A drilling assembly(1), comprising a drill bit (5) and a cutting assembly (2), - said drilling assembly (1) forming a longitudinal center axis (9); - said drill bit (5) and cutting assembly (2) being fastened to a rotatable spline drive ...
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WO/2020/104771A1 |
A thru-tubing recovery string (10) and method of moving a stuck object (14) in tubing in a well (16). A bottom hole assembly (22) is connected to a work string and includes a first (32) and a second tool (34), each tool configured to app...
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WO/2020/104770A1 |
A signalling mechanism (10) in a downhole pulling tool (12), with an arrangement of stacked pistons (22), which indicates the operational status of the downhole pulling tool. When the downhole pulling tool (12) is stroked, sleeve members...
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WO/2020/095043A1 |
A method for use in retrieving casing from a wellbore comprises running a tool string having a casing cutter, a casing anchor and a jarring apparatus into the cased wellbore, operating the casing anchor to anchor the tool string to the c...
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WO/2020/089734A1 |
Unstuck system (10) of stuck drill pipes (25) of a drill string (20) of a drilling apparatus (100) adapted to drilled wells to extract fluids or mud, a torsion coupling system (40) adapted to disconnecting an upper portion (21) from a bo...
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WO/2020/079406A1 |
A method and apparatus for casing recovery in which a clean-up of the inside of the outer casing above the inner casing is performed on the same trip in the wellbore as cutting and pulling a section of the inner casing. A bottom hole ass...
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WO/2020/072325A1 |
A downhole release apparatus (200) having a first connector sub (202) connectable with a first portion (112) of a tool string and a second connector sub (204) connectable with a second portion of the tool string (114). The first connecto...
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WO/2020/058687A1 |
The present invention relates to a magnetic cleaning tool (100) for removing ferrous debris from within a BOP, riser or wellbore, the tool comprising: a tool body having a longitudinal axis, and one or more magnets (104) configured to ro...
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