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Patent Searching and Data


Matches 201 - 250 out of 1,202

Document Document Title
WO/2021/002755A1
A method for completion of an oil or gas well with production tubing (14), and a well tool device (1) comprising an first pipe part (20) and a second pipe part (22) each having a first end (20a, 22a), and a second end (20b, 22b) with a t...  
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...  
WO/2020/252597A1
Systems and methodologies are provided for simultaneously milling obstructions from within a subterranean wellbore while pumping the milled obstructions and debris from the wellbore to the surface. The present systems and methodologies a...  
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...  
WO/2020/254659A1
A tool (1) for manipulating a material, includes a body (4) defining a chamber (6). At least one source (8) of a pressurised fuel and oxidant mixture (9) or of a monopropellant is in communication with a chamber via an injector device. A...  
WO/2020/251606A1
A method and apparatus according to which a perforating gun includes a first detonation train and a second detonation train. The first detonation train is detonable to perforate a wellbore proximate a subterranean formation. The first de...  
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...  
WO/2020/228088A1
A sleeve patch plugging continuous oil pipe drag fracturing old well reconstruction method: by means of a sleeve patch plugging continuous oil pipe drag fracturing column to which a continuous oil pipe connector (1), a safety joint (2), ...  
WO/2020/225525A1
A packer assembly (2) for deforming casing (4) is described. Packer assembly (2) comprises a first body portion (8) removably connectable to a second body portion (10). An elastomeric packer element (12) is disposed on the first body por...  
WO/2020/222753A1
Provided is a valve assembly and method for opening and closing thereof. The valve assembly, in one aspect, includes a valve body having inlet and outlet flow passageways connected by a valve chamber, and a ball valve member having a bor...  
WO/2020/216649A1
A method of performing a permanent plugging and abandonment operation of a well (W) by forming at least two barriers (RSB, CRSB), the method comprising the steps of: - providing an amount of a heat generating mixture (40), - positioning ...  
WO/2020/219412A1
A blowout preventer (BOP) includes a main body that includes a bore extending therethrough and opposing shear rams configured to shear a tubular positioned within the bore. The opposing shear rams are configured to guide the tubular to b...  
WO/2020/216693A1
It is disclosed a well tool device and a method for forming a permanent well barrier. The well tool device (10) comprises: a housing (20); a movable partition device (26a, 26b, 26c) provided within the housing, the partition device (26a,...  
WO/2020/219410A1
A blowout preventer (BOP) includes a main body comprising a bore extending therethrough and a pair of opposing upper and lower rams configured to shear a tubular extending through the bore. The upper ram includes a first sloped surface o...  
WO/2020/205613A1
An integrated milling and production device includes a production housing having a central bore, one or more flapper valves pivotally disposed within the central bore, and an actuator disposed within the central bore. The flapper valves ...  
WO/2020/193710A1
A method for well abandonment in a cased well bore by perforating, washing and cementing to provide a plug over a longitudinal section of the well, wherein logging of the washed outer annulus is performed to evaluate the effectiveness of...  
WO/2020/188481A1
A plug and abandonment wellbore intervention technology to longitudinal and circumferential cut a wellbore tubular (30) in the same wellbore intervention, followed by dropping the cut sections into the wellbore below the location of the ...  
WO/2020/190148A1
A cutting apparatus (1) comprising an elongated frame (11) which is rotatable around a centre axis (18) and is provided with a first end portion (111) and a second end portion (112), a drive station (16) for a continuous cutting wire (17...  
WO/2020/185327A1
An apparatus for performing a milling operation includes a mill having an internal fluid conduit and a fluid port configured to connect the internal fluid conduit to an exterior of the mill. A moveable flow diversion component is configu...  
WO/2020/185285A1
A downhole torch system and method of use includes a cylindrical housing, a protective material provided on at least one of the cylindrical housing and the fuel load, and a fuel load located within the cylindrical housing. The protective...  
WO/2020/186140A1
A hot bolt clamp and method for repairing a multi-bolt flange of a pipe. The clamp has enclosures that can be assembled around the multi-bolt flange. The clamp has a central opening extending through a first enclosure face and a second e...  
WO/2020/183187A1
A method of conveying materials or tools into a well, the well including a plurality of lengths of concentric tubing, comprising the step of permitting at least one cartridge to free-fall under gravity into the well. No line may be conne...  
WO/2020/178577A1
A cutting system, at least one cutting tool, and a measurement system, wherein the measurement system is configured to determine an extent, progress and/or geometry of a cut formed by the cutting tool in a wall of a tubular or other memb...  
WO/2020/169977A1
A method of abandoning a well, the well including a plurality of lengths of concentric tubing, which includes the steps of lowering an ignitor (70) into the well to be abandoned, filling the innermost tubing (65) with a quantity of therm...  
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...  
WO/2020/165573A1
The present disclosure provides apparatus for removing material from an internal surface of a pipe (1). The apparatus comprises a low-power cutting tool for insertion into the pipe (1) and configured to remove material from an internal s...  
WO/2020/152179A1
A technique facilitates patching of a tubing (42), e.g. casing (36), in a downhole environment (32). The technique employs a patching system comprising a plurality of expansion rings (48). The expansion rings (48) are moved downhole to a...  
WO/2020/154061A1
There is a shaped charge (400) for making an asymmetrical perforation into a casing. The shaped charge (400) includes a case (402) extending along a symmetry axis X and having a back wall (404) and an open end (409); an explosive materia...  
WO/2020/148575A1
An example pipe cutting tool includes a plurality of actuators and a plurality of cutters. Each of the plurality of cutters is connected to at least one separate actuator of the plurality of actuators. The at least one separate actuator ...  
WO/2020/150083A1
A downhole tool includes a housing configured to be connected between two tubular members. The housing includes a chamber and a plug assembly is disposed in the chamber and divides the chamber into an up-hole portion and a downhole porti...  
WO/2020/144147A1
The present invention relates to a downhole method for providing a zonal isolation at a predetermined position in an annulus between a wall of a borehole and a well tubular metal structure having a longitudinal extension in an existing w...  
WO/2020/144148A1
The present invention relates to a downhole method for removal of at least part of a first well tubular metal structure in a borehole of an existing well having a top, the first well tubular metal structure having a longitudinal extensio...  
WO/2020/139336A1
Provided is a shaped charge for use in a radial cutter. The shaped charge, in one example, includes a circular charge formed into a predetermined shape, the predetermined shape selected to form a concave edge. The circular charge, in thi...  
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 ...  
WO/2020/112162A1
A casing mill for downhole casing milling has multiple elongated cutter bases hingedly connected to a main body by a plurality of positioning arms. An operating mechanism within the main body of the casing mill, actuated by fluid flow, m...  
WO/2020/112308A1
A gun assembly (400) for perforating a well, the gun assembly (400) including a single carrier (402); a first gun cluster (420), the first gun cluster (420) including first plural shaped charges (424); and a second gun cluster (420), the...  
WO/2020/112745A1
Provided, in one aspect, is a windowed deflector assembly. The windowed deflector assembly according to this aspect includes a tubular housing, the tubular housing having a window there through, a wrap covering the window, and a deflecto...  
WO/2020/102265A1
The disclosure herein includes a tubular cutting assembly for cutting a downhole tubular string, which tubular cutting assembly may include: a landing seat capable of being disposed on the downhole tubular string; and a tubular cutting a...  
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...  
WO/2020/091883A1
A bottom hole assembly for use in a wellbore includes a whipstock; a downhole tool coupled to the whipstock; and a cleaning tool coupled to the downhole tool for cleaning a portion of a wall of the wellbore, wherein the downhole tool is ...  
WO/2020/091963A1
Shaped charge slitting devices (80) for control line (60) disruption in a hydrocarbon well (20) and related methods for sealing the hydrocarbon well (20). The shaped charge slitting devices (80) include a plurality of shaped charges (220...  
WO/2020/086194A1
A completions bit for use in a wellbore includes: a body having a coupling formed at an upper end thereof and a plurality of lower legs; a plurality of roller cones forming a cutting face of the completions bit, each roller cone mounted ...  
WO/2020/086968A1
A dissolvable untethered object for use inside a well fluid includes an internal cavity and a fluid entry point. The internal cavity contains a gas. The fluid entry point is closed and selectively openable so that the internal cavity can...  
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...  
WO/2020/070266A1
The invention relates to a gate valve assembly (20) for use in a subsea workover system comprising: - a valve block (22) having a flow path (21c); - valve seats (33, 34) located within the valve block (22) around a periphery of the flow ...  
WO/2020/069250A1
An apparatus for removing at least a section of a tubular includes an axially elongated body configured to be advanced through an inner tubular in a borehole to a selected location, the inner tubular disposed within an outer tubular in t...  
WO/2020/055431A1
This disclosure may generally relate to drilling operations and, more particularly, to systems and methods for sidetracking an existing well. Specifically, examples of the present disclosure may include creating a window by introducing a...  
WO/2020/050956A1
A dissolvable frac plug is disclosed. The dissolvable frac plug has an internal chamber surrounded by an external wall with the chamber containing a dry powder component in an amount sufficient to combine with ground water or other wellb...  
WO/2020/039167A1
A swivel anchor for use as part of a drill string, the swivel anchor having a longitudinal axis and a length and comprising: a slip arrangement, comprising a slip body and one or more slip elements, wherein the or each slip element is mo...  
WO/2020/035678A1
An end section of a tubular member (12, 112) is removed by lowering a water-abrasive cutting system (18, 118) and a clamp (14, 110) into the tubular member. The clamp and the cutting system are secured to the tubular member and cutting s...  

Matches 201 - 250 out of 1,202