Patents
Patents for E21B 17 - Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings (27,800)
12/2004
12/21/2004US6832654 Bottom hole assembly
12/21/2004US6832427 Method of securing an elongated member to a support member
12/18/2004CA2694851A1 Methods and apparatus for actuating a downhole tool
12/16/2004WO2004109173A1 Threaded joint for steel pipes
12/16/2004WO2004109057A2 Method of thermally insulating pipes
12/16/2004WO2004109052A2 Drilling string torsional energy control assembly and method
12/16/2004WO2004027202B1 Inner riser adjustable hanger and seal assembly
12/16/2004WO2003021073A3 Method and apparatus for replacement of underground pipe
12/16/2004US20040251686 Multi-taper and multi-pitch diameter API eight round thread coupling
12/16/2004US20040251051 Downhole tool
12/16/2004US20040251028 Sealed connectors for automatic gun handling
12/16/2004DE10146025B4 Verfahren und System zum horizontalen Erdbohren sowie Schlagspitze und Verfahren zum Starten eines Schlagwerkzeugs Method and system for horizontal Erdbohren and striking tip and method for starting a striking tool
12/15/2004EP1485570A2 Thrust control apparatus
12/15/2004EP1101056B1 Threaded and coupled connection for improved fatigue resistance
12/15/2004CN2663643Y Drill stem
12/15/2004CN1555453A Liquid seal for wet roof bit
12/14/2004US6830467 Electrical transmission line diametrical retainer
12/14/2004US6830103 Roller subs
12/14/2004US6830102 Centraliser
12/14/2004CA2296195C Locking telescoping joint for use in a conduit connected to a wellhead
12/14/2004CA2233345C Composite coiled tubing end connector
12/14/2004CA2108917C Method and apparatus for adjusting the position of stabilizer blades
12/14/2004CA2108916C Adjustable stabilizer
12/14/2004CA2039535C Cushion connector
12/09/2004US20040246142 Transducer for downhole drilling components
12/09/2004US20040245018 Electrically sequenced tractor
12/09/2004US20040244993 Three in one combined power unit for nitrogen system, fluid system, and coiled tubing system
12/09/2004US20040244985 Production riser with pre-formed curves for accommodating vessel motion
12/09/2004US20040244984 Riser for connection between a vessel and a point at the seabed
12/09/2004US20040244982 Substantially neutrally buoyant and positively buoyant electrically heated flowlines for production of subsea hydrocarbons
12/09/2004US20040244967 Downhole tool
12/09/2004US20040244964 Electrical transmission line diametrical retention mechanism
12/08/2004EP1484471A2 Improved transmission element for downhole drilling components
12/08/2004EP1483475A2 Steerable soil penetration system
12/08/2004CN2661903Y Plug-in mounting type centralizer
12/08/2004CN2661902Y Down-hole string anchoring device
12/07/2004US6827996 Threaded joint for steel pipes and process for the surface treatment thereof
12/07/2004US6827162 Self-retaining downhole-hammer drill bit
12/07/2004US6827159 Steerable horizontal subterranean drill bit having an offset drilling fluid seal
12/02/2004WO2004104465A2 Composite coiled tubing end connector
12/02/2004WO2004104145A2 Resin bonded particulate anti-seize agent, lubricating system made therefrom and methods of making and using same
12/02/2004US20040242044 Electrical conducting system
12/02/2004US20040238223 Drill drive steel
12/02/2004US20040238221 Steerable rotary drill bit assembly with pilot bit
12/02/2004US20040238219 Drilling string torsional energy control assembly and method
12/02/2004US20040238185 Selective running tool with separation feature
12/02/2004US20040238182 System to connect conduit sections in a subterranean well
12/02/2004US20040238167 Method of installing control lines in a wellbore
12/02/2004DE102004023862A1 Chassis für ein Bohrlochwerkzeug Chassis for a downhole tool
12/02/2004CA2525958A1 Composite coiled tubing end connector
12/02/2004CA2525509A1 Resin bonded particulate anti-seize agent, lubricating system made therefrom and methods of making and using same
12/02/2004CA2468943A1 A riser
12/01/2004EP1482124A1 Non-rotating expandable connection with collapsing type seal
12/01/2004EP1481183A1 Pipe system and method for its manufacture
12/01/2004CN2660102Y Improved wellhead sealing structure for polished rod of beam unit
12/01/2004CN2660098Y Integrated slip type tubing anchor
12/01/2004CN2660096Y Non-parallel drill stem
12/01/2004CN2660095Y Anti-grinding centering guide of sucker rod
12/01/2004CN2660094Y Sliding coupler of wellhead casing
12/01/2004CN2660093Y Tubing insulation short joint
12/01/2004CN2660092Y Anti-jacking slip
12/01/2004CN2660091Y High reliability two-way hydraulic tubing anchor
12/01/2004CN2660090Y Flexible sucker rod
12/01/2004CN1177992C Method for thermal producing ultrathick oil by cyclic steam stimulation and special apparatus thereof
11/2004
11/30/2004US6824847 Expandable and curable flexible preform containing unsaturated resins, for casing a well or a line
11/30/2004US6824330 Constant tension steel catenary riser system
11/30/2004US6824171 Riser connector
11/30/2004US6823945 Pressure compensating apparatus and method for downhole tools
11/30/2004CA2724709A1 Field weldable connections
11/30/2004CA2320571C Protector system for fiber optic system components in subsurface applications
11/30/2004CA2167486C Coiled tubing composite
11/25/2004WO2004101949A1 Limit clamp for use with casing attachments
11/25/2004WO2004101948A1 A connection rod for rock drilling and a method of producing the same.
11/25/2004US20040234344 Keel joint arrangements for floating platforms
11/25/2004US20040231854 Casing wear band and method of attachment
11/25/2004US20040231839 Thread integrity feature for expandable connections
11/25/2004US20040231127 Threaded connection engagement and disengagement system and method
11/25/2004CA2525718A1 A connection rod for rock drilling and a method of producing the same
11/24/2004EP1479872A1 Thread integrity feature for expandable connections
11/24/2004EP1478824A2 Well system
11/24/2004CN2658394Y Centering oil pumping aid apparatus on sucker rod
11/24/2004CN2658372Y Safety joint of releasing pump clamp
11/23/2004US6821147 Internal coaxial cable seal system
11/23/2004US6821055 Marine buoyancy modules and units
11/23/2004US6820698 Method of selectively locking a telescoping joint
11/18/2004WO2004099568A1 Device for rock bolting and for automized rock bolting and rock bolting
11/18/2004WO2004099559A1 Apparatus and methods for remote installation of devices for reducing drag and vortex induced vibration
11/18/2004WO2003042488A3 Deepwater slim hole well construction
11/18/2004US20040229759 Resin bonded particulate anti-seize agent, lubricating system made therefrom and methods of making and using same
11/18/2004US20040226754 Connection rod and method for production thereof
11/18/2004US20040226753 Chassis for Downhole Drilling Tool
11/18/2004US20040226751 Drill shoe
11/18/2004US20040226750 Connection design and sonde housing assembly for a directional drill
11/18/2004US20040226714 Limit clamp for use with casing attachments
11/18/2004CA2523278A1 Device for rock bolting and for automatized rock bolting and rock bolting method
11/18/2004CA2517910A1 Apparatus and methods for remote installation of devices for reducing drag and vortex induced vibration
11/17/2004EP1476635A1 Drill string member
11/17/2004EP1476634A1 Drill member for rock drilling and a method for manufacturing the drill member
11/17/2004EP1101057A4 Multi-start wedge thread for tubular connection
11/17/2004CN2656606Y Sucker rod guide device