Patents
Patents for E21B 17 - Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings (27,800)
01/2007
01/23/2007CA2351849C Downhole tool with extendable members
01/23/2007CA2289129C Earth formation surveying device
01/18/2007WO2007008481A1 Hydrostatic-set open hole packer with electric, hydraulic and/or optical feed throughs
01/18/2007WO2007008183A1 Hollow rod and a split casing pump for a deep-seated sucker rod pump
01/18/2007WO2007008087A1 A manual locking assembly for a quick connect coupling
01/18/2007WO2007006963A2 Method and installation for connecting a rigid submarine pipeline and a flexible submarine pipeline
01/18/2007US20070012456 Wellbore Casing
01/18/2007US20070012452 System and method for limiting vortex-induced vibrations on an offshore production riser
01/18/2007US20070012451 Piggable flowline-riser system
01/18/2007US20070012436 Cable duct device in a swelling packer
01/18/2007CA2614814A1 A manual locking assembly for a quick connect coupling
01/17/2007EP1743081A1 Optical fiber equipped tubing and methods of making and using
01/17/2007EP1554459B1 Well packer for a pipe string and a method of leading a line past the well packer
01/17/2007CN2858927Y Sliding sucker rod safety joint
01/17/2007CN1896453A Self-sealed compensated beam-pumping stabilizer
01/17/2007CN1896452A Two-way protecting beam-pumping unit connected hoop
01/17/2007CN1295294C Method for making quasi-incompressible phase-change material with low thermal conductivity, and resulting product
01/16/2007US7163069 Telescopable boring rod mechanism
01/16/2007US7163062 Riser
01/16/2007US7163057 Completion apparatus and methods for use in hydrocarbon wells
01/16/2007US7163054 Breechblock connectors for use with oil field lines and oil field equipment
01/16/2007CA2278844C Downhole clutch with flow ports
01/14/2007CA2552030A1 Activating mechanism for hydraulically operable downhole tool
01/11/2007WO2007005765A1 Downhole multi-action jetting tool
01/11/2007WO2007005671A2 Mud motor force absorption tools
01/11/2007WO2007004891A1 Well having inductively coupled power and signal transmission
01/11/2007US20070009329 Offshore petroleum discharge system
01/11/2007US20070007760 Threaded connections and methods for forming threaded connection
01/11/2007US20070007043 Cutting device with multiple cutting structures
01/11/2007US20070007015 Centraliser
01/11/2007US20070007011 Shoe for expandable liner system
01/11/2007DE102006027545A1 Verbinder zum Verbinden von Hilfsdurchflussleitungen und Verfahren hierfür Connector for connecting the auxiliary flow lines and method therefor
01/11/2007CA2612731A1 Well having inductively coupled power and signal transmission
01/10/2007EP1740871A1 Tube connector and device for production of a tube connector
01/10/2007EP1740793A1 A telescopic conductor casing for a well installation and a method of driving same into the underground
01/10/2007EP1476635B1 Drill string member
01/10/2007EP1350003B8 Method of drilling and operating a subsea well
01/10/2007EP1290369B1 Composite pipe assembly and method for its preparation
01/10/2007EP1222359B1 Apparatus for transferring electrical energy between rotating and non-rotating members of downhole tools
01/10/2007CN2856377Y Centering anti-grinding device of sucker rod
01/10/2007CN2856376Y Drilling parts
01/10/2007CN1891846A Martensite stainless steel
01/09/2007US7159674 Method and device for directional down-hole drilling
01/09/2007US7159668 Centralizer
01/09/2007US7159666 Method to install a cylindrical pipe in a wellbore
01/09/2007US7159665 Wellbore casing
01/09/2007US7159654 Apparatus identification systems and methods
01/09/2007US7159653 Spacer sub
01/09/2007CA2428338C Integrated modular connector in a drill pipe
01/09/2007CA2422458C Sub apparatus with exchangeable modules
01/09/2007CA2402479C Threaded spacer
01/09/2007CA2309615C A friction reducing tool
01/09/2007CA2305299C Gas-filled accelerator
01/09/2007CA2260358C Sealed lateral wellbore junction assembled downhole
01/09/2007CA2220115C Device for controlling the weight on an earth drill bit
01/06/2007CA2552073A1 Rod for a well string
01/04/2007WO2007001186A1 A method for forming a closed canal in a pipe wall, and such a pipe
01/04/2007US20070003374 Subsea structure and methods of construction and installation thereof
01/04/2007US20070003366 Joint for panels provided with a seal preventing penetration of water
01/04/2007US20070001457 Locking device for built pipe connections
01/04/2007US20070000677 Power tool
01/04/2007US20070000669 Coiled tubing dimple connection
01/03/2007EP1264068B1 Threaded spacer
01/03/2007EP1261801B1 Recirculatable ball-drop release device for lateral oilwell drilling applications
01/03/2007CN2854054Y Device for preventing slanting abrasion of frictionl block centralising tube
01/03/2007CN2854053Y Casing dust-proof cover of pumping well
01/03/2007CN2854052Y Casing leap well double releasing gadget centralising tool
01/03/2007CN2854051Y Self-sealing compensation oil pumping centralising device
01/03/2007CN2854050Y Sucker rod centralising device of increasing oil pumping
01/03/2007CN2854049Y Anti-corrosion protector for oil pipe hoop
01/03/2007CN2854048Y Y-shape self-fastening sealing device
01/03/2007CN2854047Y Drill rod of long spiral piling machine
01/03/2007CN1890499A Improvement of resistance to fatigue of a threaded tubular connection
01/03/2007CN1890451A System and method for damping vibration in a drill string
01/03/2007CN1888119A Sulfur-preventing oil well pipe and its production process
01/03/2007CN1293713C Method and apparatus for determining position in pipe
01/02/2007US7156583 Compensating suspension element configuration
01/02/2007US7156176 Installation and use of removable heaters in a hydrocarbon containing formation
01/02/2007US7156171 Dual diameter and rotating centralizer/sub
01/02/2007CA2305148C Composite spoolable tube with sensor
01/02/2007CA2161930C Composite rod storing and handling apparatus
12/2006
12/30/2006CA2551364A1 Coiled tubing dimple connection
12/28/2006WO2006136960A2 Hybrid riser tower and methods of installation thereof
12/28/2006US20060289154 Top drive swivel apparatus and method
12/28/2006US20060289074 Pipe with a canal in the pipe wall
12/28/2006DE10336040B4 Adapter für einen selbstbohrenden Gebirgsanker Adapter for a self-drilling rock bolts
12/28/2006DE10116103B4 Vorrichtung zum Auffahren einer unterirdischen Bohrung Apparatus for tailgating a subterranean well
12/27/2006EP1736697A1 Threaded joint for steel pipe and process for producing the same
12/27/2006EP1735642A2 Multiple distributed sensors along a drillstring
12/27/2006EP1735522A2 Multiple distributed pressure measurements
12/27/2006EP1735521A1 A component used in the formation, construction, repair and production phase of a well bore and a method for identifying same
12/27/2006EP1567745B1 Large diameter flush-joint pipe handling system
12/27/2006CN2851533Y Blowout-prevention tubing anchor
12/27/2006CN2851520Y Hydraulic diameter-changeable type stabilizer
12/27/2006CN2851519Y Hollow centralizer for casing
12/27/2006CN2851518Y 旋转稳定器 Rotating stabilizer
12/27/2006CN2851517Y Antiwear centralizer for sucker rod
12/27/2006CN2851516Y Antiwear protector for oil pumping pipe
12/27/2006CN2851515Y Damping centralizer for sucker rod
12/27/2006CN2851514Y Separated casing head