E21B 29 - Cutting or destroying pipes, packers, plugs, or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground

Patents for E21B 29 - Cutting or destroying pipes, packers, plugs, or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground (5,744)
10/2006
10/24/2006	US7124829 Tubular expansion fluid production assembly and method
10/24/2006	US7124826 Procedures and equipment for profiling and jointing of pipes
10/24/2006	US7124825 Casing wear band and method of attachment
10/24/2006	US7124823 Apparatus for and method of anchoring a first conduit to a second conduit
10/24/2006	US7124821 Apparatus and method for expanding a tubular
10/24/2006	US7124820 Exothermic tool and method for heating a low temperature metal alloy for repairing failure spots along a section of a tubular conduit
10/19/2006	US20060231291 Method and device for drilling into tubulars located within one another
10/19/2006	US20060231266 System for direct vertical connection between contiguous subsea equipment and method of installation of said connection
10/19/2006	US20060231265 Subsea pressure compensation system
10/19/2006	US20060231263 Riserless modular subsea well intervention, method and apparatus
10/19/2006	US20060231262 Method and device for the removing subsea rocks and sediments
10/19/2006	US20060231258 Method of forming a window in a casing
10/18/2006	EP1712727A1 Method of completing a subterranean well and associated apparatus
10/18/2006	CN1849438A Downhole polymer plug and liner and methods employing same
10/18/2006	CN1847609A Casing inner circle shaping and restoring device
10/18/2006	CN1280443C Expanding metal material and bulged tube device for petroleum oil well
10/17/2006	US7121351 Apparatus and method for completing a wellbore
10/17/2006	US7121345 Subsea tubing hanger lockdown device
10/17/2006	US7121337 Apparatus for expanding a tubular member
10/11/2006	EP1412616B1 Dual sensor freepoint tool
10/11/2006	EP1299616B1 Deformable member
10/11/2006	EP1092077B1 Milling system for forming a window in the wall of a tubular
10/11/2006	CN2825923Y Hanger for casing patching device
10/11/2006	CN2825922Y Power apparatus for casing patching device
10/10/2006	US7117957 Methods for drilling and lining a wellbore
10/10/2006	US7117956 Pipe conveyed explosive with self contained actuation
10/05/2006	US20060219401 Apparatus and method for sensing downhole parameters
10/03/2006	US7114563 Tubing or drill pipe conveyed downhole tool system with releasable wireline cable head
10/03/2006	US7114559 Method of repair of collapsed or damaged tubulars downhole
10/03/2006	CA2326489C Drillstring with stabilisers for re-entering a primary wellbore
10/03/2006	CA2250483C Well system
09/2006
09/28/2006	WO2006101618A2 Hydraulically controlled burst disk subs (hcbs)
09/28/2006	CA2601223A1 Apparatus and method for radially expanding a wellbore casing using an expansion system
09/26/2006	US7111679 Expander for expanding a tubular element
09/21/2006	US20060208488 Protective compression and tension sleeves for threaded connections for radially expandable tubular members
09/21/2006	US20060207760 Collapsible expansion cone
09/19/2006	US7108072 Lubrication and self-cleaning system for expansion mandrel
09/19/2006	US7108064 Milling tool insert and method of use
09/19/2006	US7108061 Expander for a tapered liner with a shoe
09/19/2006	CA2230987C Milling apparatus for a borehole casing
09/19/2006	CA2229109C Methods of completing a subterranean well and associated apparatus
09/13/2006	CN2816337Y Diameter contractable spherical duct type enlarging finishing device
09/12/2006	US7104332 Method and apparatus for creating a cemented lateral junction system
09/12/2006	US7104330 Marine riser tower
09/12/2006	US7104329 Marine bottomed tensioned riser and method
09/12/2006	US7104326 Apparatus and method for severing pipe utilizing a multi-point initiation explosive device
09/12/2006	US7104322 Open hole anchor and associated method
09/12/2006	CA2444756C Improved expander tool for downhole use
09/07/2006	US20060196693 Perforating apparatus, firing assembly, and method
09/07/2006	US20060196679 Apparatus for radially expanding and plastically deforming a tubular member
09/07/2006	US20060196672 Heave compensation system for hydraulic workover
09/07/2006	US20060196671 Heave compensation system for hydraulic workover
09/06/2006	CN2813878Y Producing well pig
09/06/2006	CN2813877Y Oil-gas well casing repairing device
09/05/2006	US7100694 Marine riser tower
09/05/2006	CA2452798C Reinforced swelling elastomer seal element on expandable tubular
09/05/2006	CA2414449C Liner hanger with slip joint sealing members
09/05/2006	CA2367608C Method and apparatus for accurate milling of windows in well casings
08/2006
08/30/2006	EP1153195B1 Downhole apparatus and method for milling a window and at least one key-way in a well casing
08/30/2006	CN2811549Y Downhole milling and drilling tools
08/29/2006	US7096962 Wellbore recovery operation
08/29/2006	US7096957 Internal beam buoyancy system for offshore platforms
08/29/2006	US7096956 Wellhead assembly with pressure actuated seal assembly and running tool
08/29/2006	US7096955 Long duration fuel cell system
08/29/2006	US7096950 Combined milling and scraping tool
08/29/2006	US7096938 Slip energized by longitudinal shrinkage
08/29/2006	US7096937 Flow completion system
08/24/2006	WO2006070204A3 Improvements in or relating to a whipstock system
08/24/2006	WO2006012131A3 Drill pipe assembly
08/23/2006	EP1299615B1 Apparatus and methods for orientation of a tubular string in a non-vertical wellbore
08/22/2006	US7093664 One-time use composite tool formed of fibers and a biodegradable resin
08/22/2006	US7093662 System for drilling oil and gas wells using a concentric drill string to deliver a dual density mud
08/22/2006	US7093661 feeding power fluid to downhole turbines or engines in petroleum wells, controlling downhole separators
08/22/2006	US7093656 Solid expandable hanger with compliant slip system
08/17/2006	WO2006086165A2 Flow valve and method
08/15/2006	US7090019 Casing cutter
08/15/2006	US7090006 Replaceable liner for metal lined composite risers in offshore applications
08/15/2006	CA2497854C Cutting a tube by deformation
08/15/2006	CA2434629C Shear ram assembly
08/10/2006	US20060175092 Flow valve and method
08/10/2006	US20060175055 Device for installation of a profile liner in a well
08/10/2006	US20060175054 Conductor head
08/08/2006	US7086481 Wellbore isolation apparatus, and method for tripping pipe during underbalanced drilling
08/08/2006	US7086478 Apparatus and methods for expanding tubulars in a wellbore
08/08/2006	US7086475 Method of inserting a tubular member into a wellbore
08/08/2006	US7086472 Device and method of collecting solids from a well
08/08/2006	US7086467 Coiled tubing cutter
08/08/2006	US7086463 Methods of downhole testing subterranean formations and associated apparatus therefor
08/08/2006	US7086462 Wellbore anchor tool
08/08/2006	CA2373152C In-tubing wellbore sidetracking operations
08/03/2006	WO2006079659A1 Method of installing an expandable tubular in a wellbore
08/03/2006	US20060169460 Apparatus for radially expanding and plastically deforming a tubular member
08/02/2006	EP1588021B1 A method and device for drilling into tubulars located within one another
08/01/2006	US7082998 Systems and methods for placing a braided, tubular sleeve in a well bore
08/01/2006	US7082997 Pipe centralizer and method of attachment
07/2006
07/27/2006	US20060162925 Method and apparatus for positioning a sleeve down hole in a hydrocarbon producing well and pipelines
07/27/2006	US20060162921 Slip energized by longitudinal shrinkage
07/26/2006	CN1807830A Hydraulic diameter-variable casing expansion method and apparatus therefor
07/25/2006	US7082078 Magnetorheological fluid controlled mud pulser
07/25/2006	US7080689 Instrumentation assembly for an offshore riser

1 ... 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 ... 58