Matches 1 - 50 out of 292 1 2 3 4 5 6 >
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7410003 Dual purpose blow out preventer  
An improved dual purpose blow out preventer (“BOP”) that provides both deployment and wellhead pressure containment functions. The dual purpose BOP may include four sets of rams including a set...
7401656 Mobile drilling rig with dual carriers  
A rig ( 10 ) for selectively inserting coiled tubing or threaded tubulars into a well includes a mast ( 14 ) extending upward from a mast carrier ( 12 ), and a coiled tubing injector ( 16 ) and a...
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...
7398832 Mono-diameter wellbore casing  
An apparatus and method for forming a monodiameter wellbore casing. The casing includes a second casing positioned in an overlapping relation to a first casing. The inside diameter of the...
7389822 Expander system for incremental expansion of a tubular element  
An expander system for radially expanding a tubular element from a first inner diameter to a second inner diameter larger than the first inner diameter, the expander system including an expander...
7387169 Expandable tubulars  
The present invention provides apparatus and methods for completing a wellbore using expandable tubulars. Particularly, the invention relates to a system of completing a wellbore through the...
7383890 Universal rig with vertical stand for tubulars  
The rig ( 10 ) is provided for electively inserting either coiled tubing or a threaded tubular through a rig floor and into a well. The rig includes a coiled tubing injector ( 16 ) supported on a...
7383889 Mono diameter wellbore casing  
An apparatus and method for forming a mono diameter wellbore casing.
7377326 Magnetic impulse applied sleeve method of forming a wellbore casing  
A method of forming a wellbore casing within a borehole that traverses a subterranean formation includes the steps of assembling a tubular liner by coupling a threaded portion of a first tubular...
7377310 System for expanding a tubular element in a wellbore  
A system is provided for expanding a tubular element extending into a wellbore formed in an earth formation. The system includes an expander arranged to expand the tubular element by virtue of...
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...
7370699 One trip cemented expandable monobore liner system and method  
An apparatus to protect the mounting area of casing and a locating profile and optionally a sliding sleeve valve and a flow path from the outside of the valve to the annulus when subsequent...
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...
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...
7360604 Expander system for stepwise expansion of a tubular element  
An expander system for radially expanding a tubular element having an unexpanded portion of a first inner diameter, the expander system including an expander movable between a radially retracted...
7350584 Formed tubulars  
A method of lining a drilled bore comprises running a tubular into a drilled bore and then corrugating the tubular in the bore. The tubular may also be expanded in the bore. In other aspects of the...
7350564 Mono-diameter wellbore casing  
A mono-diameter wellbore casing. A tubular liner and an expansion cone are positioned within a new section of a wellbore with the tubular liner in an overlapping relationship with a pre-existing...
7318473 Methods relating to maintaining the structural integrity of deviated well bores  
Methods of enhancing at least partially the structural integrity of a longitudinal portion of a deviated well bore are provided. The methods include providing a gravel matrix composition; providing...
7306044 Method and system for lining tubulars  
A method for lining tubular includes positioning an expandable liner in a wellbore at a depth of one or more perforations using a downhole depth locator tool. The expandable liner is expanded in...
7303023 Coupling and sealing tubulars in a bore  
A method of sealing an expandable tubular within a bore comprises the steps of providing an expandable tubular describing a first diameter and having a sealing medium on its outer surface, running...
7303008 Methods and systems for reverse-circulation cementing in subterranean formations  
Methods and systems for reverse-circulation cementing in subterranean formations are provided. An example of a method is a method of cementing casing in a subterranean well bore, comprising...
7299881 Radial expansion of tubular members  
An apparatus and method for coupling a tubular member to a preexisting structure.
7296625 Methods of forming packs in a plurality of perforations in a casing of a wellbore  
The invention provides a method of forming packs in a plurality of perforations in a casing of a wellbore, the method comprising the steps of: (a) forming a plug of a plugging particulate material...
7290616 Liner hanger  
An apparatus and method for forming or repairing a wellbore casing by radially expanding a tubular liner.
7290605 Seal receptacle using expandable liner hanger  
The end of an expandable liner hanger ( 120 ) provides a receptacle for another tubular liner ( 135 ).
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...
7284618 Method and a device for automated control of coil pipe operations  
An apparatus and automated control of the apparatus for use in coiled pipe operations is provided. The apparatus includes a mobile rig or trailer that carries a tower having attached thereto a reel...
7284603 Expandable completion system and method  
A well completion having an expandable tubular. The expandable tubular having a tubular base and a conforming layer. The conforming layer being radially expandable singularly or in combination with...
7281588 Tubular injector apparatus and method of use  
The invention generally relates to apparatus and methods for moving tubulars into and out of a well bore, and particularly, a tubular injector with two or more gripping members which bind the outer...
7275602 Methods for expanding tubular strings and isolating subterranean zones  
Methods and apparatus for expanding tubulars are disclosed. The tubulars may be part of a tubular string for isolating one or more zones within a wellbore. In one embodiment, the tubular string...
7275600 Apparatus and method for expanding tubular members  
Apparatus and methods of expanding tubular members are disclosed. In one embodiment, the apparatus includes a vibrating device that is capable of imparting a longitudinal and/or lateral and/or...
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...
7255177 Tubing expansion  
There are disclosed methods and apparatus for expanding downhole tubing. In one embodiment, there is disclosed a method of expanding tubing comprising providing an assembly 40 comprising a...
7255176 Method for reducing diameter reduction near ends of expanded tubulars  
A variety of approaches to reducing or eliminating “end effect” or the tendency of tubular ends to reduce in diameter after expansion are disclosed. Some involve pre-bending the ends outwardly...
7249631 Slip on screen with expanded base pipe  
A method for manufacturing a wellscreen and a wellscreen that have the mechanical properties of a direct-wrap wellscreen and the precise slot tolerance of a slip-on wellscreen are provided. In one...
7240729 Apparatus for expanding a tubular member  
An apparatus for expanding a tubular member.
7234532 Expansion apparatus and method  
An expansion apparatus for expanding a portion of a tubular comprises at least two expansion members adapted for selective deployment against a wall of a tubular. The expansion apparatus may be...
7234531 Mono-diameter wellbore casing  
A mono-diameter wellbore casing. A tubular liner and an expansion cone are positioned within a new section of a wellbore with the tubular liner in an overlapping relationship with a pre-existing...
7228911 Apparatus for and method of radial expansion of a tubular member  
Apparatus for and method of radial expansion of a tubular member, with embodiments of the apparatus including an expander device, for example an expansion cone, which has a driver device either...
7225868 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 E0 (%) before expanding...
7216718 Multi-layer deformable composite construction for use in a subterranean well  
A multi-layer deformable composite construction. In a described embodiment, a method of expanding a structure in a wellbore includes the steps of: positioning the structure in an unexpanded...
7213654 Apparatus and methods to complete wellbore junctions  
A method and apparatus for completing a wellbore junction, wherein, in one embodiment, a first leg of a screen is fastened within a first tubular with a preformed window. The first tubular houses a...
7213643 Expanded liner system and method  
A borehole may be drilled utilizing the bottom hole assembly 10, 50 with a downhole motor 14 , which may offset at a selected bend angle. A gauge section 34 is secured to the bit 16 has a...
7204306 Device for installation of a profile liner in a well  
A device for expansion and calibration of profile pipes, such as profile liners, with cylindrical threaded ends in their installation in a well. The device has a plurality of in-series connected...
7201233 Arm for moving flexible lines at a well site  
A movable arm 10 engages a flexible line 50 at a well site for positioning the flexible line between run-in position for passing the flexible line with a tubular through a well hole in the rig...
7195073 Expandable tieback  
A tie back assembly that uses expansion for connection and sealing is disclosed. The male component does not have any wall portions removed to hold a resilient seal. A seal is an option as...
7191842 Collapse resistant expandables for use in wellbore environments  
A technique utilizes blocking members to resist contraction of expandables in wellbore environments. The technique comprises an expandable having a wall with a plurality of expandable cells. A...
7191841 Expansion pig  
A tool for radially expanding casing having a tool body that includes a proximal end, a distal end, and an outer surface. The tool includes at least one hydraulic channel disposed axially. The at...
RE39509 Top entry sub arrangement  
A top entry sub (ES) includes a tubular member (TM) with a main body section ( 8 ) and an enlarged external diameter upper end portion ( 11 ). A single passage ( 15 ) extends through the main body...
7188678 Expandable composite tubulars  
Composite tubulars that have not been polymerized and are thus flexible enough to be coiled are delivered into a wellbore and expanded. The expansion occurs from an external catalyst such as heat...
Matches 1 - 50 out of 292 1 2 3 4 5 6 >