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WO/2004/046499A1 |
A method of cutting through a tubular, in particular, a casing at a selected location in a wellbore using a remotely controlled electrically powered cutting tool that comprises (a) a tool body, (b) a cutting head provided with a cutting ...
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WO/2004/044375A1 |
An apparatus for creating a cemented lateral junction including a sleeve (10) with a premachined opening (12) and a cover (14) disposed at the sleeve. A release material (16) is disposed at the cover. Further disclosed is a method for co...
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WO/2004/040096A1 |
A tool insert comprises a substrate (10) having a support surface and a support ring extending laterally from the support surface. The support ring is sized to define a recess (14) within the confines thereof and a shelf about the periph...
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WO/2004/040095A1 |
A tool insert comprises a substrate (40), a layer of ultra-hard abrasive material (52) bonded to the substrate and presenting a primary cutting edge (54) for the tool insert, and a protective layer (56) bonded to the ultra-hard abrasive ...
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WO/2004/038171A1 |
In a method for releasing cables (2) from an attached well tool, where the cutting and the time for cutting can be decided from the surface above the well, and where a cable cutter (6) is arranged between the main part of a cable and a w...
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WO/2004/031535A1 |
A lock open device for a flapper is disclosed. The tool engages in the sub-surface safety valve (SSSV) body and rotates the flapper to the open position, without shifting the flow tube. The flapper base is preferably held by a shearable ...
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WO/2004/025068A2 |
A workover system (10) for use with a subsea horizontal tree provides an economical solution when it is not necessary to pull the production tubing out of the well and/or when a subsea drilling BOP is not required. The system utilizes a ...
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WO/2004/025160A2 |
A fluid system component (300) is provided that is implemented as a section of metal pipe having a predetermined wall thickness and including a sacrificial element (400) intended to preferentially fail upon the occurrence of certain pred...
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WO/2004/016901A1 |
A well abandonment apparatus (10) is described. The apparatus can be run on drillstring and does not require the use of explosives to sever the casing. The apparatus includes both a cutting device (12) to perforate and sever the casing a...
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WO2003004820B1 |
An apparatus (100) and method for forming or repairing a wellbore casing by radially expanding a tubular liner (105).
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WO/2004/013462A1 |
A liner (20) for an annular downhole component comprises an expandable, deformable metal tube having protrusion (22) along its surface. The protrusions accommodate radial and axial expansion of the tube within the downhole component The ...
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WO/2004/011768A1 |
A method and apparatus for cutting one or more longitudinal members (VL, WL), external to a downhole tubular conduit (TC), by pulling upward on a cutter body (12) attached to the tubular conduit, where the longitudinal members are run be...
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WO/2004/007896A2 |
A tubular handling device (2) includes a first slip (4) having an arcuate inner face (6) that has a first longitudinally disposed slot (54) and a first ledge (70) therein. A second slip (20) is connected to the first slip, with the secon...
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WO/2004/005660A2 |
A cantilever beam of a jack-up unit (10) is provided with constant force restraining members mounted on a deck of a jack-up unit forward from conventional hold-down cantilever beam clamp. A modified cantilever beam end plate engages a fi...
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WO/2004/005663A2 |
A tool (27) lands a flowline connector (25) on a base and soft land the connector to a mandrel. After the tool lands on the base, the tool locks to the base and then pushes the connector the mandrel until it abuts and locks to the member...
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WO/2004/005669A1 |
A method of lining a drilled bore comprises running a tubular (40) into a drilled bore (42) and then corrugating the tubular in the bore. The tubular may also be expanded in the bore. In other aspects of the invention the tubular is corr...
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WO/2004/001182A2 |
An internal support apparatus (14) and method for providing support to a tubular structure (12) that is positioned in a wellbore (10). The apparatus (14) is insertable into the tubular structure (12) to reside in close proximity with an ...
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WO/2003/104603A2 |
A section mill (180) is positioned below a whipstock (116) or other exit guide in a drill string assembly (18) to mill a window in a cased (110) or open wellbore. The section mill (180) moves down and mills along the section of wellbore,...
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WO/2003/104608A1 |
A device for a hydraulic cutting tool (30) for cutting of at least one pipe (16, 18, 20) or tubular object beneath a water floor (10), wherein the cutting is carried out from a surface facility (2). The cutting tool (30) is anchored in a...
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WO/2003/101656A1 |
Tubular cutting apparatus (10) comprises a cutter (24) for cutting a tubular and a locating or locking arrangement for engaging the tubular to axially locate the apparatus in the tubular and to position the cutter at a predetermined loca...
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WO/2003/097277A1 |
A down hole pipe cutter (10) is provided to cut a section of pipe from the pipe’s interior. The device includes a lower guide plate (12), an upper guide plate (14), a connector rod (16) interconnecting the lower guide plate to the uppe...
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WO/2003/093624A2 |
A packer retriever (100) having a grapple body (127) rotatably and slideably coupled to a mandrel (102) directly attached to a milling tool (140) can engage a packer (or extension thereof) (142) having a substantially smooth I.D. in a we...
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WO/2003/083258A1 |
The present invention provides methods for expanding coiled tubing within a wellbore in order to form a patch. In one aspect, an expansion assembly is run into the wellbore at the lower end of a string of coiled tubing. The expansion ass...
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WO/2003/083253A1 |
A junk removal tool (10) for use in a well bore. The tool includes a multi-faceted face (42) of tungsten carbide to break up large pieces of junk. The junk is then captured in the tool via large area inlet ports (40) and collected in a t...
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WO/2003/083250A1 |
A one-trip through tubing window milling system is disclosed. The whipstock is delivery with the mill and downhole motor (22) in a downhole assembly which further includes MWD equipment for proper whipstock orientation. The entire assemb...
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WO/2003/080994A1 |
The invention relates to a method for deforming the internal profile of a bore of a tubular member by providing a percussive deformation tool (420) having an external profile for producing a desired profile for the bore then inserting sa...
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WO/2003/071084A2 |
The present invention discloses and claims a system for forming an opening, or window, in a downhole tubular for the subsequent formation of a lateral wellbore. In the system of the present invention, an apparatus is run into the parent ...
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WO/2003/069114A1 |
Apparatus and methods for drilling out from a casing string in a borehole. A reaming assembly (10) is introduced into the borehole and fixed at a predetermined location. A drillable collar (7) is interposed between the reaming assembly (...
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WO/2003/069115A2 |
A method of repairing tubulars downhole is described. A swage is secured to a force magnification tool, which is, in turn, supported by an anchor tool. Applied pressure sets the anchor when the swage is properly positioned. The force mag...
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WO/2003/067018A2 |
The drilling system includes a work string (20) supporting a bottom hole assembly (310). The work string including lengths of pipe having a non-metallic portion. The work string includes a composite coiled tubing (320) having a fluid imp...
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WO/2003/067028A1 |
The invention can be used for the oil and gas production, more specifically to the completion of oil and gas wells. The inventive method consists in mechanically perforating the wall of a casing pipe and supplying a working agent in a fo...
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WO/2003/062582A2 |
A disengageable downhole tool (10) for use in the oil and gas industry. The tool can be decoupled from a work string to allow further tools to be operated from the work string on being run deeper into a wel. The tool is then picked-up by...
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WO/2003/060289A1 |
A method of isolating a section of a drilled bore (10) containing a problem zone (12) comprises: providing a section of tubing (16); locating the tubing in the section of the bore; and expanding the tubing and forming at least an outer p...
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WO/2003/048520A1 |
An apparatus and method for expanding a lower string of casing into frictional contact with an upper string of casing, and thereby hanging the lower string of casing onto the upper string of casing is provided. The apparatus essentially ...
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WO/2003/048510A1 |
A method and apparatus for milling a section of casing in an upward direction, utilizing a downhole hydraulic thrusting mechanism for pulling a section mill upwardly. A downhole motor and torque anchor can be used to rotate the section m...
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WO/2003/046424A2 |
An apparatus includes a central core assembly (32a), connected between a swivel (14) on its upper end and the work string (16) below, with the central core assembly having a central passageway (38) therethrough; a first outer assembly (3...
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WO/2003/046329A2 |
A subsea wellhead assembly has the capabilities of communicating from the outer surface of an outer wellhead housing (11) to a casing annulus. Seals (34) between the outer (11) and inner (27) wellhead housing define an annular chamber wh...
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WO/2003/042489A2 |
An assembly and methods for constructing a monowell (12) having a monodiameter casing (70) disposed in a monodiameter wellbore (10) having a diametric efficiency with a monobore production system within the casing. The assembly for const...
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WO/2003/042486A2 |
An apparatus (10) for radially expanding and plastically deforming an expandable tubular member (66) includes a collapsible cone (44).
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WO/2003/036014A1 |
A downhole tool (10) for use in the removal of burrs or other unwanted material from an inner surface of a pipeline, well casing or other tubular. The toll has a plurality of milling elements (32), which may be biased against the surface...
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WO/2003/031771A1 |
A tubular system arranged in a wellbore, comprising an outer tube extending into the wellbore and having a wall with at least one section of reduced bending stiffness, each section of reduced bending stiffness defining a hinge allowing t...
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WO/2003/031760A2 |
An coil or gas well slip system (10) is provided having a slip bowl (20) with an interactive contact surface and a slip assembly (22) having a mating interactive contact surface for slidable engagement with the slip bowl interactive cont...
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WO/2003/029608A1 |
An apparatus and method for expanding a lower string of casing into frictional contact with an upper string of casing, and thereby hanging the lower string of casing onto the upper string of casing is provided. The apparatus essentially ...
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WO2002032634B1 |
A fluid cutting tool (12) and method for perforating or severing tubular members from inside. The tool is especially suited for use with a rotational drive system, such as a downhole motor (14), to separate downhole structures, such as s...
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WO/2003/014526A1 |
An apparatus and method of determining the point at which a tubular is stuck within another tubular or a wellbore by applying a tensile or torsional force to the stuck tubular and measuring the response of various locations within the tu...
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WO/2003/008755A2 |
Wear resistant connection (3) for joining lenghts of casing tubulars (2, 4) into assemblies referred to as strings. The wear resistant connection (3) provides a means to substantially prevent loss of material from the exterior surface of...
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WO/2003/002844A1 |
A drillable junction joint (10) in a wellbore comprises a wellbore casing (12) in which a section of the casing is constructed of easily drillable material (16). A sleeve (24) having a premachined window (26) therein is disposed within t...
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WO/2002/103155A1 |
A crimpable wear band (105) tool has been invented for installation on casing (6), used in well bore drilling. A wear band (105) is provided having a cylindrical body which when coaxially placed over a pipe and substantially radially inw...
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WO/2002/103156A1 |
A method has been invented for enhancing the installability of wellbore casing such as for use to line a borehole through a formation or to act as a drill string and to remain in hole, after drilling, to line the borehole created by its ...
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WO/2002/103154A1 |
A crimpable centralizer has been invented for installation on pipe, such as would be useful in well bore drilling and casing operations. The present invention provides a centralizer having a cylindrical body which when coaxially placed o...
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