E21B 17 - Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings

Patents for E21B 17 - Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings (27,800)
10/2007
10/31/2007	CN101063403A Coupling device
10/30/2007	US7289943 Lumping and delumping method for describing hydrocarbon-containing fluids
10/30/2007	US7287935 Tendon assembly for mooring offshore structure
10/30/2007	US7287608 Method and device for drilling a hole in soil or rock material and for forming an anchoring
10/30/2007	US7287604 Steerable bit assembly and methods
10/30/2007	US7287584 Anchoring device for a wellbore tool
10/30/2007	CA2339683C Device for application of dope on male threads
10/30/2007	CA2247844C A sinker bar for cable-operated well apparatus in a hydrocarbon well
10/27/2007	CA2585669A1 Apparatus for interconnecting and sealing between fixed and rotating conduits and method of installing same
10/26/2007	CA2582125A1 Coupling device
10/25/2007	US20070246934 Protective compression and tension sleeves for threaded connections for radially expandable tubular members
10/25/2007	US20070246238 Power hand tool
10/25/2007	US20070246224 Offset valve system for downhole drillable equipment
10/25/2007	US20070246217 Downhole Swivel Joint Assembly and Method of Using Said Swivel Joint Assembly
10/25/2007	DE102006019396A1 Bohrgestänge Drill pipe
10/24/2007	CN200964850Y Oil pipe coupling monitoring device
10/24/2007	CN200964806Y Wax-block prevention centralising device for sucker rod
10/24/2007	CN200964805Y Spiral arch-shaped bushing centralizer
10/24/2007	CN200964804Y Rolling body centralizer
10/24/2007	CN200964803Y Pump well polish rod square clip
10/24/2007	CN200964802Y Rotary sealing joint
10/24/2007	CN200964801Y Eccentric wear prevention antiseptic joint
10/24/2007	CN200964800Y Double acting drill rod for screw pile pile-driving machine
10/24/2007	CN200964794Y Slant-proof drill combination device
10/24/2007	CN101061290A 岩石钻头 Rock drill
10/24/2007	CN101059063A Oil pipe coupling monitoring device
10/24/2007	CN101059062A Catch hoop tube adaptor type drill rod construction drill machine
10/23/2007	US7284616 Selectively retrievable wear bushing for subsea or surface applications
10/23/2007	US7284614 Wellbore system for simultaneous drilling and production
10/23/2007	US7284608 Casing strings and methods of using such strings in subterranean cementing operations
10/23/2007	CA2450391C Logging while tripping with a modified tubular
10/18/2007	WO2007117630A1 Slotted thread protection device
10/18/2007	WO2007117209A1 A connector assembly for an off shore riser
10/18/2007	WO2007039875A3 Flexible hollow shaft
10/18/2007	US20070240892 Cordless outdoor power tool system
10/17/2007	EP1625277B1 A connection rod for rock drilling and a method of producing the same.
10/17/2007	CN200961455Y Centralising device for casing shear
10/17/2007	CN200961454Y Centralizer for well port pipe string
10/17/2007	CN200961453Y Double rotation centralizer for sucker rod
10/17/2007	CN200961452Y Rolling type mighty centralizer
10/17/2007	CN200961451Y Tooth breadth variable inverse trapezia bush screw connection structure
10/17/2007	CN200961450Y Collar presetted sucker rod
10/17/2007	CN200961449Y Oil sucking rod for resisting eccentric wear
10/17/2007	CN101057002A 双相不锈钢 Duplex stainless steel
10/17/2007	CN101054888A Flexible composite high pressure vertical tube
10/17/2007	CN100343483C A measuring sonde for a hydrocarbon well
10/17/2007	CN100343473C Radially expandable tubular with supported end portion
10/16/2007	US7283061 Method and system for performing operations and for improving production in wells
10/16/2007	US7281578 Apparatus and methods for positioning in a borehole
10/16/2007	CA2444657C Apparatus and methods for conveying instrumentation within a borehole using continuous sucker rod
10/16/2007	CA2116520C Drilling fluid containment apparatus for use in disconnecting a kelly from a drill string
10/11/2007	WO2007114706A1 Adapter for directional control of two oppositely directed hydraulic jars
10/11/2007	WO2007114460A1 Tubular threaded joint
10/10/2007	EP1843006A1 Centraliser
10/10/2007	EP1639227B1 Bottom tensioned offshore oil well production riser
10/10/2007	EP1485570B1 Thrust control apparatus
10/10/2007	CN200958378Y Prefabricated window well completion tool for branched well
10/10/2007	CN200958370Y Deflection vibration reducer of drilling collar
10/10/2007	CN200958369Y Weldless drilling rod for coal mine
10/10/2007	CN200958368Y Vacuum thermal-insulating double pipe of oil well
10/10/2007	CN200958224Y Well-pipe butt-jointed disk
10/10/2007	CN101050694A Friction reducing and shock reducing automatic rotary device for oil well pole
10/10/2007	CN101050693A Method for producing self lubricating iron base alloy spray welding oil pumping rod collar
10/10/2007	CN101050692A Method for preparing self lubricating nickel base alloy spray welding oil pumping rod collar
10/10/2007	CN101050691A Glass fiber reinforced plastic oil pumping rod
10/09/2007	USRE39869 High efficiency drill pipe
10/09/2007	US7278480 Apparatus and method for sensing downhole parameters
10/09/2007	US7278479 Downhole cable protection device
10/09/2007	US7278476 Retrievable stress and torque reducing tool
10/09/2007	US7278211 Bore hole tool assembly and method of designing same
10/09/2007	CA2424194C Drill string shock absorber
10/09/2007	CA2413794C Inductively coupled method and apparatus of communicating with wellbore equipment
10/09/2007	CA2350002C Wire guard device for wells
10/04/2007	WO2007112387A2 Method and system for forming a non-circular borehole
10/04/2007	WO2007109878A1 Apparatus for keeping a down hole drilling tool vertically aligned
10/04/2007	WO2007075855A3 Concentric coiled tubing annular fracturing string
10/04/2007	US20070231083 Systems and Methods for the Installation of Earth Anchors
10/04/2007	US20070231077 Vacuum Formed Cladding
10/04/2007	US20070231074 Clamp to anchoring the production tube, the electrohydraulic hose and the electric cable simultaneously
10/04/2007	US20070227780 Drill string system for performing measurement while drilling and logging while drilling operations
10/04/2007	US20070227778 Methods for the Installation of Earth Anchors
10/04/2007	US20070227742 Casing transition nipple and method of casing a well to facilitate well completion, re-completion and workover
10/03/2007	EP1838947A2 Centraliser
10/03/2007	EP1838946A1 A sealing element and a coupling device provided with such a sealing element
10/03/2007	CN200955361Y Frictior-reducing resistance-reducing drilling-well tool
10/03/2007	CN200955360Y Anti-drop righter
10/03/2007	CN200955359Y Drill-rod joint
10/03/2007	CN200955358Y Pile-foundation drill rod quick-jointing joint
10/03/2007	CN200955356Y Prolongable-flexible-axle drill-bit for drilling concrete, brick wall and dredging pipeline
10/02/2007	US7277025 Telescopic data coupler
10/02/2007	US7275605 Rotatable drill shoe
10/02/2007	US7275594 Stab guide
10/02/2007	CA2337543C Downhole drilling apparatus and method for use of same
10/02/2007	CA2280399C Offshore accumulation development facility and riser pipe set-up process
09/2007
09/28/2007	CA2582900A1 Sensor
09/27/2007	WO2007108823A1 System and method of installing and maintaining an offshore exploration and production system having an adjustable buoyancy chamber
09/27/2007	WO2007108693A1 Vibration reducer for reducing flow induced vibrations in a pipe and method of reducing such vibrations
09/27/2007	US20070223992 Knuckle swivel for servicing wells
09/27/2007	US20070221414 Releasable mill
09/27/2007	US20070221413 Flow system for a hydraulic choke solids Strainer

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