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7631699 |
System and method for pressure isolation for hydraulically actuated tools
An isolation device operatively coupled to a wellbore tool is activated upon receiving fluid that a predetermined applied pressure. When the fluid string reaches the predetermined applied pressure,...
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7617868 |
Liner anchor for expandable casing strings and method of use
Expandable casing has an expandable slip used for completion of a mono-diameter wellbore. The expandable casing is run through the upper casing and has an upper end that overlaps a lower end of the...
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7604061 |
Coupler retained liner hanger mechanism and methods of setting a hanger inside a wellbore
A liner hanger has a housing with a pocket disposed on an inner wall surface and a slip slidingly engaged within the pocket. The liner hanger housing is secured in the string of casing. A setting...
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7581595 |
Coupler retained liner hanger mechanism and methods of setting a hanger inside a wellbore
A liner hanger has a housing with a pocket disposed on an inner wall surface and a slip slidingly engaged within the pocket. The liner hanger housing is secured in the string of casing. A setting...
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7559366 |
Flex-lock metal seal system for wellhead members
A wellhead seal assembly forms a metal-to-metal seal between the inner and outer wellhead members. A metal seal ring has inner and outer conical walls separated by a tapered slot. An energizing...
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7546872 |
Liner hanger
An improved liner hanger comprises a mandrel having a piston housing and a plurality of spring slots disposed on the outer wall surface of the mandrel. Each spring slot having at least one spring...
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7540329 |
Casing coupler liner hanger mechanism
A liner hanger has a housing with a pocket disposed on an inner wall surface and a slip slidingly engaged within the pocket. The liner hanger housing is secured in the string of casing. Both a...
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7537060 |
Coupler retained liner hanger mechanism and methods of setting a hanger inside a wellbore
A liner hanger has a housing with a pocket disposed on an inner wall surface and a slip slidingly engaged within the pocket. The liner hanger housing is secured in the string of casing. A setting...
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7475735 |
Tubular hanger and method of lining a drilled bore
A method of lining a drilled bore comprises running an expandable first tubular into a bore and locating a portion of the first tubular in an unlined section of the bore and another portion of the...
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7441606 |
Expandable fluted liner hanger and packer system
Methods and apparatus create an attachment and a seal between two tubular members in a wellbore. An expandable assembly includes a packer and liner hanger to be expanded into a surrounding tubular....
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7431096 |
Embedded flex-lock slip liner hanger
A liner hanger includes an annular slip seat that radially surrounds a section of the liner being hung. The slip seat contains a plurality of windows that each accommodates at least one...
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7428933 |
Latchable hanger assembly and method for liner drilling and completion
Methods and systems for conducting liner drilling and subsequent completion of the drilled section by cementing and anchoring the liner into place. The methods and systems prevent the liner from...
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7419009 |
Apparatus for radially expanding and plastically deforming a tubular member
An apparatus and method according to which a tubular member is radially expanded and plastically deformed.
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7380607 |
Casing hanger with integral load ring
A subsea wellhead assembly includes a housing with a bore containing at least one conical generally upward facing load shoulder that inclines relative to an axis of the bore. A hanger is lowered...
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7373988 |
Liner running system and method
A liner running system for placing a liner in a well bore comprises a latch sleeve connected to the liner and a running tool releasably attached to the latch sleeve. The latch sleeve has a wall...
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7367391 |
Liner anchor for expandable casing strings and method of use
Expandable casing has an expandable slip used for completion of a mono-diameter wellbore. The expandable casing is run through the upper casing and has an upper end that overlaps a lower end of the...
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7350588 |
Method and apparatus for supporting a tubular in a bore
A method of supporting a tubular within a bore including the steps of at least partially expanding a sleeve into contact with a bore wall to secure the sleeve within the bore, and engaging a...
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7316274 |
One trip perforating, cementing, and sand management apparatus and method
A method and apparatus for running a liner into a well bore, hanging the liner to a casing, perforating the liner, cementing the liner in, setting a liner packer, and establishing sand control, all...
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7240738 |
Self-orienting selectable locating collet and method for location within a wellbore
A self orienting selectable locating collet including a collet having at least one deflectable finger; an orientation key positioned at the deflectable finger and being deflectable with the finger;...
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7231970 |
Non-rotational casing hanger and seal assembly running tool
A non-rotational casing hanger and seal assembly running tool for use in oil and gas drilling operations has a mandrel and a tool body that is carried by the mandrel. The tool body supports a...
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7225880 |
Expandable liner hanger system and method
The liner hanger assembly seals with casing 8 and supports a liner 98 within a well. The tubular liner hanger 48 and a tubular expander 40 may be position downhole on a running tool at a...
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7219742 |
Method and apparatus to complete a well having tubing inserted through a valve
A method and apparatus for inserting a small diameter continuous hydraulic conduit or capillary tube down a well bore is presented. The methods and apparatus allow either the injection of chemicals...
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7219738 |
Inner riser adjustable hanger and seal assembly
An inner riser adjustable hanger and seal assembly are provided for applying tension to a casing string secured at a lower end within a well and supported at an upper end by a wellhead housing. The...
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7152686 |
Downhole weight bearing apparatus and method
A downhole tool for connection in a work string to prevent premature activation of weight set tools on the work string. The tool has moveable pads which contact the tubing wall and thereby support...
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7150323 |
Shoulder ring set on casing hanger trip
A wellhead housing has a bore with a support shoulder, a ramp surface extending upward and outward from the support shoulder, and a recess extending upward from the ramp. A split, resilient load...
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7134490 |
Through bore wellhead hanger system
A wellhead hanger system that allows the use of either of two casing hangers depending upon whether the casing string to be suspended becomes stuck during installation and cannot be lowered to its...
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7128147 |
Modular liner hanger
A liner hanger having a mechanical coupling between a liner hanger body and one or more cones is disclosed. The cones are coupled to the liner hanger body to resist axial and relative rotational...
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7124828 |
Apparatus for retaining two strings of tubulars
An apparatus for retaining two strings of tubulars characterized in that the apparatus comprises body parts of a device for retaining a single string of tubulars and a converting member. A device...
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7117957 |
Methods for drilling and lining a wellbore
A method includes drilling and lining a wellbore, in one aspect by mounting a drill bit on a drill string including a section of expandable tubing and providing a tubing expander in the string,...
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7114573 |
Hydraulic setting tool for liner hanger
Embodiments of the present invention relates to hydraulically actuated tools, which may be used to actuate a liner hanger assembly. In one embodiment, the present invention provides a hydraulic...
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7090006 |
Replaceable liner for metal lined composite risers in offshore applications
A method of re-manufacturing a composite riser section having a damaged original metal liner comprises inserting an expandable replacement liner into the bore of the composite riser section and...
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7086480 |
Tubing anchor
A method of anchoring tubing in a bore comprises: providing first tubing having a section with a wall configured to provide outer surface portions describing a diameter less than a first diameter....
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7077214 |
Expansion set packer with bias assist
A packer element has a biasing member incorporated with it. The element is either fabricated with the biasing element in a relaxed condition and then the element is stretched prior to insertion...
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7070001 |
Expandable sealing apparatus
The present invention generally relates to an apparatus for sealing a wellbore. The sealing apparatus includes an expandable tubular body having one or more sealing elements disposed thereon. In...
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7063142 |
Method of applying an axial force to an expansion cone
A method of applying an axial force to a first piston positioned within a first piston chamber including applying an axial force to the first piston using a second piston positioned within the...
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7048065 |
Method and apparatus for expandable liner hanger with bypass
The present invention provides a liner hanger and a method of hanging a liner in a wellbore. In one aspect, a process for setting a liner in a wellbore is provided in which a tubular having a slip...
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7036581 |
Wellbore seal device
A device for providing a seal between two tubular member in a downhole environment is presented. The sealing device provides the capability of “boosting” or improving the seal, in the event of...
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7028780 |
Expandable hanger with compliant slip system
An apparatus for forming an expanded connection in a wellbore, whereby the apparatus includes a first tubular radially expandable outward into contact with an inner wall of a second tubular upon...
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7025145 |
Tensioning arrangement for a subsea wellhead assembly
A pre-tensioning arrangement for inner and outer elongate concentric members includes a load member which is axially movable in an actuating direction relative to the inner member and has an outer...
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7017670 |
Apparatus and method for expanding and fixing a tubular member within another tubular member, a liner or a borehole
An apparatus for securing a tubular member within a liner or borehole has a seal means connected within the tubular member, and a pressure control device operable to increase the pressure within...
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7004249 |
Method of transferring fluids through a permeable well lining
A fluid is transferred between surface facilities and a subsurface reservoir formation through a well, which is equipped with a well lining having a permeability of less than 50 Darcy and...
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6976539 |
Tubing anchor
A method of installing a liner in a drilled bore below a section of bore previously lined with casing comprises the steps of: running a length of liner into the bore such that at least an upper end...
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6966370 |
Apparatus for actuating an annular piston
An apparatus comprising a first tubular member; a second tubular member positioned within and coupled to the first tubular member; a first annular piston chamber defined by the space between the...
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6945325 |
Run and retrieval wear bushing and tool
A wear bushing has a lower portion that is landed on a casing hanger in a wellhead housing. The wear bushing is mounted to the running tool, which is joined to a drill string. With running-in keys...
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6920927 |
Method and apparatus for anchoring downhole tools in a wellbore
A wellbore anchoring device for anchoring a down-hole tool within a string of casing is provided, comprising an expandable cone having at least one annular integral shoulder, defining the large end...
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6915846 |
Production tubing joint
A production tubing joint is disclosed for a well comprising a barrel forming an upper tubing section and connected to the tubing hanger, a tubing connector within the barrel having a lower end...
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6915857 |
Non-seize material attachment for a drill slip system
An oil or gas well slip system is provided that includes a first movable member having an interactive contact surface and a second movable member having a mating interactive contact surface for...
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6899183 |
Casing attachment method and apparatus
A method and apparatus to affix a tool downhole in a cased wellbore, one embodiment comprising a tubular body with a slot along its length. A portion of the slot is V-shaped to accommodate a wedge...
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6877567 |
Expansion set liner hanger and method of setting same
A hydraulic liner hanger comprises a tubular body and a plurality of slips disposed radially around the outer surface of the body. In one arrangement, each slip has wickers for engaging the inner...
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6843322 |
Monobore shoe
A method of attaching a tubular to an existing tubular in a well without reducing the inside diameter of the well is described. A shoe is attached to the lower end of the existing lowermost casing...
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