Patents
Patents for E21B 17 - Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings (27,800)
07/2009
07/15/2009CN100513740C Method in situ recovery from a hydrocarbon containing formation using barriers
07/14/2009US7559582 Tubing connection arrangement
07/14/2009US7559375 Flow control device for choking inflowing fluids in a well
07/14/2009CA2574132C Tubing connection arrangement
07/14/2009CA2517978C Drilling with casing latch
07/14/2009CA2475631C Sealing expandable tubing
07/14/2009CA2369473C Sand barrier for a level 3 multilateral wellbore junction
07/14/2009CA2362875C Floating offshore construction, and floating element
07/09/2009WO2009086442A2 Wellbore pipe centralizer having increased restoring force and self-sealing capability
07/09/2009WO2009086254A2 Communication connections for wired drill pipe joints for providing multiple communication paths
07/09/2009WO2009083523A1 Sealed threaded tubular connection which is resistant to successive pressure loads
07/09/2009WO2006007242A3 Side entry apparatus and method
07/09/2009US20090173504 Transverse magnetization of casing string tubulars
07/09/2009US20090173406 Fiber Reinforced Spoolable Pipe
07/09/2009CA2711468A1 High pressure pipe liner coupling assembly and method
07/09/2009CA2710857A1 Wellbore pipe centralizer having increased restoring force and self-sealing capability
07/09/2009CA2709580A1 Sealed threaded tubular connection which is resistant to successive pressure loads
07/08/2009EP2077374A1 Submersible pump assembly
07/08/2009EP2076652A1 Arrangement for foundation
07/08/2009EP1792052A4 Integrated magnetic ranging tool
07/08/2009CN201269052Y Antiskid protection connector
07/08/2009CN201269051Y Safe protection apparatus of oil pumping rod
07/08/2009CN101479440A Tubular member connection
07/08/2009CN101476449A Aligning anti-release and anti-bias wearing apparatus used for pumping rod
07/08/2009CN101476448A Pumping rod universal conduction device
07/08/2009CN101476447A Hot diaphragm type ultrahigh molecular weight polyethylene composite oil pumping pipe
07/08/2009CN101476446A Drilling rod assembly
07/08/2009CN100510311C Method for producing self lubricating iron base alloy spray welding oil pumping rod collar
07/08/2009CN100510310C Method for preparing self lubricating nickel base alloy spray welding oil pumping rod collar
07/07/2009US7556452 Control of flexible riser curvature at the keel of a floating structure
07/07/2009US7556093 Downhole fiber optic wet connect and gravel pack completion
07/07/2009CA2578491C Expansion member mated to tubing by threaded connection and methods of use
07/07/2009CA2532088C Connector for perforating gun tandem
07/07/2009CA2426020C Guide tube with threaded ends and waist
07/07/2009CA2403932C Method of joining metal oilfield tubulars and well provided therewith
07/07/2009CA2397154C Thread joint and rock drill element
07/02/2009WO2009080556A1 Well tubings with polymer liners
07/02/2009WO2009079784A1 Styrenic insulation for pipe
07/02/2009US20090166043 Riser Pipe with Rigid Auxiliary Lines
07/02/2009US20090166036 Progressive cavity pump rod guide
07/02/2009US20090166027 Wellbore pipe centralizer having increased restoring force and self-sealing capability
07/02/2009US20090166023 Well Having Inductively Coupled Power and Signal Transmission
07/02/2009CA2709648A1 Well tubings with polymer liners
07/02/2009CA2708687A1 Styrenic insulation for pipe
07/01/2009EP2075402A1 Composite marine riser
07/01/2009EP2074015A1 Loading system
07/01/2009EP1692421B1 Production by plastic expansion of a sealed tubular joint with inclined abutting surface(s)
07/01/2009CN201265373Y Rotary sand centralizing nipple of pumping rod
07/01/2009CN201265372Y Flushing connector of exhaustible casing tube
07/01/2009CN201265371Y Groove type safety connector
07/01/2009CN201265370Y Gas-tight drill rod connector
07/01/2009CN201265369Y Underwater hydraulic connector in ocean
07/01/2009CN201265368Y Integral Y-shaped connector
07/01/2009CN201265367Y Suspension line connector of high-strength oil pumping machine
07/01/2009CN201265366Y Connection structure for composite material drill pipe body and steel connector
07/01/2009CN201265365Y Well drilling water-resistant pipe connector suitable for deep water operation
07/01/2009CN201265364Y Large-diameter hollow drill rod
07/01/2009CN100507203C Bi-directional thruster pig apparatus and method of utilizing same
06/2009
06/30/2009US7555391 Multiple distributed force measurements
06/30/2009US7552772 Locating recess in a shoe for expandable liner system
06/30/2009CA2317291C Method of manufacturing a continuous sucker rod on site
06/25/2009WO2009077735A1 Joining metal pipes
06/25/2009WO2009077714A1 Submersible pump assembly
06/25/2009WO2009040510A3 Down-hole wireless communication system
06/25/2009WO2008145862A3 Underwater buoy with modular members
06/25/2009US20090159693 Method of Incorporating a Fast, Readable Data Chip into Metallic Surfaces for Electronic Identification
06/25/2009US20090159291 Telescopic joint mini control panel
06/25/2009US20090159281 Running bore-lining tubulars
06/25/2009US20090159269 Self-Anchoring Device with Force Amplification
06/24/2009CN201262049Y Pumping-aided centralizer for self-adjusting type pumping rod
06/24/2009CN201262048Y Special tools for casing tube centralization
06/24/2009CN201262047Y Groove type helical stabilizer
06/24/2009CN201262046Y Down-hole column jacket expansion device
06/24/2009CN201262045Y Hydraulic back-off sub used for oil well water block
06/24/2009CN201262044Y Embedded combination type coal drill tool
06/24/2009CN201262043Y Special clamp assembly for flushing well
06/24/2009CN101463712A Eccentric center-adjustable reducing stabilizer
06/24/2009CN101463711A Heat dissipation
06/23/2009USRE40765 Fluid-operated power tool
06/23/2009CA2564815C Composite marine riser
06/23/2009CA2531549C System and technique for orienting and positioning a lateral string in a multilateral system
06/23/2009CA2473248C Perforating gun quick connection system
06/23/2009CA2401709C Wireless downhole well interval inflow and injection control
06/18/2009WO2009075683A1 Improved pneumatic tool design
06/18/2009WO2009073960A1 Staged actuation shear sub for use downhole
06/18/2009WO2009049006A3 Pipe connection system
06/18/2009WO2009016453A3 Drill pipe with tool joints
06/18/2009US20090152014 Female part and a method for manufacturing female parts
06/18/2009US20090152008 Microtunnelling system and apparatus
06/18/2009US20090151950 Active integrated well completion method and system
06/18/2009US20090151931 Well String Centralizer and Method of Forming
06/18/2009US20090151926 Inductive Power Coupler
06/18/2009DE102006045557B4 Gestängemitnehmer Gestängemitnehmer
06/17/2009EP2069603A1 Methods and apparatus for attenuating drillstring vibrations
06/17/2009CN201258699Y Novel slurry rotary joint
06/17/2009CN201258698Y Drill rod for revolving bore filling pile
06/17/2009CN201258697Y Hot melting alloy anti-abrasion sucker rod
06/17/2009CN100501115C Down-hole drill string speed-changing transmission joint
06/16/2009US7546871 Downhole tool
06/16/2009CA2452848C An expandable hanger and packer