Matches 1 - 50 out of 186 1 2 3 4 >
Match Document Document Title
7607480 Method for repair of damaged wells  
A method for repairing damaged wells, especially in marine environments utilizing an alignment apparatus having a substantially cylindrical body member, a lower spear extension and a plurality of...
7597140 Expansion device for expanding a pipe  
A pipe expansion device having an expansion cone tapering in forward direction, a cone-guide, an actuator for displacing the expansion cone and the elongated cone-guide relative to each other, a...
7543639 Open hole expandable patch and method of use  
A patch for placement in a wellbore and associated methods includes a longitudinal member and an anchor that is radially expanded to engage the wall of the borehole to secure the patch against...
7533731 Casing apparatus and method for casing or repairing a well, borehole, or conduit  
A casing apparatus is provided to install a hard, pressure-resistant seal along a wall of a well in situ. The casing apparatus includes a moving device and a deformable tubular sleeve having a...
7516791 Configurable wellbore zone isolation system and related systems  
An apparatus for providing zonal isolation in a wellbore includes a plurality of interlocking sealing elements having anchor elements at the opposing ends. Each anchor element sealingly engages a...
7475733 Communication tool for accessing a non annular hydraulic chamber of a subsurface safety valve  
A communication tool ( 100 ) includes a housing ( 102 ) having recesses ( 110 ) and a set of axial locating elements ( 112 ) radially extendable through the recesses ( 110 ) and engagably...
7458426 Steel pipe for embedding-expanding, and method of embedding-expanding oil well steel pipe  
(1) A steel pipe that is expanded radially in a state wherein it was inserted in a well such as an oil well, characterized in that the non-uniform wall thickness ratio E 0 (%) before expanding...
7449431 Additive for increasing the density of a fluid for casing annulus pressure control  
A method of controlling the pressure of a casing annulus in a subterranean well that includes injecting into the casing annulus a composition including a base fluid and a polymer coated colloidal...
7434622 Compliant cone for solid liner expansion  
An expander tool includes segments capable of deflecting inward in response to a restriction encountered while expanding a tubular downhole. The expander tool includes an inner mandrel having a...
7413012 System and method for collecting escaping hydrocarbons from a breached well pipe  
A method and system for containing escaping hydrocarbon fluid from a well pipe of a production well. Suppression of the hydrocarbon fluid to a level below the breach location using a control fluid...
7401647 Flush mounted tubular patch  
Casing or other well tubulars that have failed are repaired in a manner that doesn't reduce the final inside diameter and doesn't further propagate the failure. The tubular needing repair is first...
7380595 System and method to deploy and expand tubular components deployed through tubing  
A system that is usable with a wellbore includes a deployment tool that is attached to a conveyance device and has an unexpanded state and an expanded state. The system also includes a scrolled...
7370708 Seal arrangement  
A seal arrangement comprises an expandable inner tubular and an outer tubular. The inner tubular comprises an axially extending lip seal. Expansion of the inner tubular serves to energise the lip...
7367389 Tubing expansion  
There are disclosed methods and apparatus for expanding tubing downhole. In one embodiment, there is disclosed a method of expanding downhole tubing such as a liner ( 10 ), the method comprising...
7363691 Method and apparatus for forming a mono-diameter wellbore casing  
A mono-diameter wellbore casing. The mono-diameter wellbore casing is formed by plastically deforming and radially expanding a first tubular member within a wellbore. A second tubular member is...
7341106 Methods for wellbore strengthening and controlling fluid circulation loss  
A sealant composition and methods for using the same are disclosed. In an embodiment, a method of servicing a wellbore in contact with a subterranean formation is disclosed. The method comprises...
7290609 Subterranean well secondary plugging tool for repair of a first plug  
A secondary plugging tool is disclosed for use in a subterranean plug, such as in a plugged and/or abandoned well. The repaired plug may be of a cementicious material, or a mechanically,...
7287603 Combined casing expansion/casing while drilling method and apparatus  
A drilling assembly ( 2 ) comprises upper ( 4 ) and lower ( 6 ) drill strings with a fluid passage ( 80 ) therethrough for distributing fluid to a bottom hole assembly ( 10 ). The upper drill...
7258168 Liner hanger with slip joint sealing members and method of use  
An apparatus ( 200 ) and method for repairing an opening ( 130 ) in a wellbore casing ( 110 ). The apparatus ( 200 ) and method couple a floating tubular ( 250 ) member in opposing relation to the...
7249630 Well tool and method for heating and depositing first and second charges of selective temperature melting metal alloys for repairing failure spots along a section of a tubular conduit in a subterranean well  
A well tool and method for heating and depositing first and second charges of selective temperature melting metal alloys for repairing failure spots along a section of a tubular conduit, such as...
7188687 Downhole filter  
A downhole filter comprises a tubular member having a wall defining a plurality of openings. The openings have an outer width less than an inner width. The parts of the opening defining the smaller...
7182103 Tubular patch expansion apparatus with inflatable bladder  
A tubular patch expansion apparatus includes an elongated tubular bladder adapted to expand radially outwardly to expand an overlying tubular patch. A bladder setting assembly is secured to a first...
7152673 Contractable and expandable tubular wellbore system  
A tubular system arranged in a wellbore, having an outer tube extending into the wellbore and a wall with at least one section of reduced bending stiffness, each section defining a hinge allowing...
7134495 Apparatus and method for lining a downhole casing  
A casing liner and method for lining a casing affixed in a well bore. The casing liner having a plurality of grooves and ridges arranged longitudinally and in an alternating relationship about the...
7134491 Leak remedy through sealants in local reservoirs  
The present invention provides a method for remedying minute seal leaks in downhole tools and equipment. The various embodiments of the present invention utilize pressure activated liquid sealants...
7128162 Method and apparatus for positioning a sleeve down hole in a hydrocarbon producing well and pipelines  
A method for positioning sleeve down hole in a hydrocarbon producing well. A running assembly with associated sleeve is run down a hydrocarbon producing well until the sleeve is in a desired...
7124821 Apparatus and method for expanding a tubular  
A method of isolating a section of downhole tubing comprises: running a length of expandable tubing ( 20 ) into a tubing-lined borehole ( 12, 14 ) and positioning the expandable tubing ( 20 )...
7124820 Exothermic tool and method for heating a low temperature metal alloy for repairing failure spots along a section of a tubular conduit  
An exothermic well tool and method of use for the repair of failure spots along a section of a first tubular conduit, such as casing, wherein the housing of the tool is heated to at least a...
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,...
7104322 Open hole anchor and associated method  
The present invention relates to a method and apparatus for anchoring an expandable tubular within a wellbore prior to expanding the length of the expandable tubular into contact with the wellbore....
7093656 Solid expandable hanger with compliant slip system  
An apparatus for forming an expanded connection in a wellbore, whereby the apparatus includes a first tubular being radially expandable outward into contact with an inner wall of a second tubular...
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...
7090005 Tubular expansion apparatus and method  
Tools for expanding downhole tubulars into each other or in open hole are disclosed. One embodiment uses a movable cone biased by Bellville washers to move longitudinally against such bias and...
7082998 Systems and methods for placing a braided, tubular sleeve in a well bore  
Systems and methods for placing a tubular, braided sleeve in a well bore. The sleeve is positioned within an interior of a carrier configured to hold the sleeve in an undeployed position, followed...
7073583 Method and apparatus for expanding tubing downhole  
Aspects of the invention relate to apparatus and methods for remedial and repair operations downhole. Certain embodiments of apparatus include a lightweight expandable member ( 22 ) that can be...
7066259 Bore isolation  
A method of isolating a section of a drilled bore containing a problem zone comprises: providing a section of tubing; locating the tubing in the section of the bore; and expanding the tubing and...
7063149 Tubing expansion with an apparatus that cycles between different diameter configurations  
A method of expanding tubing comprises the steps: providing a length of expandable tubing; locating an expansion tool, such as a cone, in the tubing; and applying impulses to the tool to drive the...
7055608 Forming a wellbore casing while simultaneously drilling a wellbore  
A wellbore casing is formed simultaneously with the drilling out of the wellbore.
7048067 Wellbore casing repair  
An apparatus and method for repairing a wellbore casing ( 100 ). An opening ( 115 ) in a wellbore casing ( 100 ) is located using a logging tool ( 310 ). An expandable tubular member ( 370 ) is...
7048052 Apparatus comprising expandable bistable tubulars and methods for their use in wellbores  
At least a first expandable tubular and a second expandable tubular are connected to each other by a connector system. The connector system is expandable and utilizes a plurality of extensions that...
7036586 Methods of cementing in subterranean formations using crack resistant cement compositions  
The present invention relates to subterranean cementing operations, and more particularly, to methods of cementing in subterranean formations using cement compositions that autogenously cure voids...
7032672 Subsurface safety valve having a communication tool accessible non annular hydraulic chamber  
A tubing retrievable safety valve ( 50 ) having a non annular hydraulic chamber ( 60 ) in a sidewall portion thereof is operable to received a communication tool ( 100 ) therein such that relative...
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...
7028770 Tubular expansion apparatus and method  
Tools for expanding downhole tubulars into each other or in open hole are disclosed. One embodiment uses a movable cone biased by Bellville washers to move longitudinally against such bias and...
7004264 Bore lining and drilling  
A method of lining and drilling a bore ( 10 ) comprises the steps of mounting a first section of bore-lining tubing ( 20 ) on the lower end portion of a drill string ( 18 ). The method also...
6997264 Method of jointing and running expandable tubulars  
A connector arrangement used for connecting a first tubular to a second tubular. The first tubular member has at least one circumferential ring profile, and the second tubular member has a...
6997260 Method of repairing tubular members on oil and gas wells  
The disclosure concerns a method and apparatus for repairing or structurally reinforcing an oil and gas well tubular member, or an assembly of tubular members. The assembly to be repaired can...
6976536 Tubing expansion  
A method of expanding tubing comprises locating an expansion tool in a section of tubing to be expanded, applying a fluid pressure to the tubing to create a fluid pressure expansion force and...
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...
6923261 Apparatus and method for expanding a tubular  
A method of isolating a section of downhole tubing comprises: running a length of expandable tubing ( 20 ) into a tubing-lined borehole ( 12, 14 ) and positioning the expandable tubing ( 20 )...
Matches 1 - 50 out of 186 1 2 3 4 >