| Patents for E21B 17 - Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings (27,800) |
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| 03/20/2007 | CA2537867C Apparatus and methods for separating and joining tubulars in a wellbore |
| 03/15/2007 | WO2007008183A8 Hollow rod and a split casing pump for a deep-seated sucker rod pump |
| 03/15/2007 | US20070056773 Downhole impeller device |
| 03/15/2007 | US20070056760 Portable tool having cover and label to be stuck on the portable tool for identification |
| 03/15/2007 | US20070056759 Handheld power tool |
| 03/15/2007 | US20070056743 Method of radially expanding and plastically deforming tubular members |
| 03/15/2007 | US20070056742 Production system |
| 03/15/2007 | US20070056741 Apparatus and method for supporting a steel catenary riser |
| 03/15/2007 | US20070056723 Hanger Mounted in the Bore of a Tubular Component |
| 03/15/2007 | US20070056155 Method of installing flange on tubular body at desired elevation |
| 03/15/2007 | DE102005040482A1 Drill pipe centering device, has two guide bushes connected by three leaf springs, where one bush is fixed immovably with respect to longitudinal direction of drill pipe and another bush is movable in longitudinal direction relative to pipe |
| 03/14/2007 | EP1762697A2 Coupling tubulars |
| 03/14/2007 | EP1762695A1 Expansion activated anti-rotation device |
| 03/14/2007 | EP1761680A1 Improved well servicing tool storage system for subsea well intervention |
| 03/14/2007 | CN2878652Y Cross-section variable screw drill rod |
| 03/14/2007 | CN2878651Y Composite drill rod |
| 03/14/2007 | CN2878650Y Eccentrically wearing-resistant collar for sucker rod |
| 03/14/2007 | CN2878649Y Welding method for drill rod of rotary drilling machine |
| 03/14/2007 | CN1930365A System for sealing an annular space in a wellbore |
| 03/14/2007 | CN1930363A Clamping apparatus, drill string component and rock drilling rig |
| 03/14/2007 | CN1304726C Expandable tubes with overlapping end portions |
| 03/14/2007 | CN1304722C Airlifting ball and airlifting pipe column structure for oil well |
| 03/14/2007 | CN1304721C Centering device and method of forming the same |
| 03/14/2007 | CN1304619C Deep well, ultra deep well petroleum sleev in petroleum natural extraction gas |
| 03/13/2007 | USRE39509 Top entry sub arrangement |
| 03/13/2007 | US7190280 Method and apparatus for transmitting and receiving data to and from a downhole tool |
| 03/13/2007 | US7189029 Multi-catenary type rising column |
| 03/13/2007 | US7188689 Variable gauge drilling apparatus and method of assembly therefor |
| 03/13/2007 | US7188684 Locking pin assembly for locking dog housing |
| 03/13/2007 | US7188678 Expandable composite tubulars |
| 03/13/2007 | US7188672 Well string assembly |
| 03/13/2007 | US7188671 System, method, and apparatus for survey tool having roller knuckle joints for use in highly deviated horizontal wells |
| 03/13/2007 | CA2295466C Lateral well tie-back method and apparatus |
| 03/13/2007 | CA2219426C Drill string fitting |
| 03/08/2007 | WO2007027804A2 Dead spindle chucking system with sliding sleeve |
| 03/08/2007 | WO2007026149A1 Damping device |
| 03/08/2007 | WO2006136960A3 Hybrid riser tower and methods of installation thereof |
| 03/08/2007 | WO2006016155A8 Downhole device |
| 03/08/2007 | US20070053749 Pipe assembly and a method for installation in a borehole |
| 03/08/2007 | US20070051510 Polymer protective coated polymeric components for oilfield applications |
| 03/07/2007 | EP1760252A1 Intervention device for a subsea well, and method and cable for use with the device |
| 03/07/2007 | EP1759085A1 Device for controlling stiffeners of flexible pipes |
| 03/07/2007 | CN2876375Y Pumping assist protective device of oil pump |
| 03/07/2007 | CN2876310Y Rotary antiloosing device of clutch type oil pumping rod |
| 03/07/2007 | CN2876309Y Screw pump stem location centralizing anti deviation device |
| 03/07/2007 | CN1926304A Downhole drilling of a lateral hole |
| 03/07/2007 | CN1924285A Two-rolling bearing type pumping rod centralizer |
| 03/07/2007 | CN1924284A Device for staging actions prevention for underwell hydraulic tools |
| 03/07/2007 | CN1924068A Oil well tube resisting stress corrosion of H2S and manufacture method thereof |
| 03/07/2007 | CN1924061A Low-alloy high-strength steel for manufacturing J55 grade welding petroleum sheath |
| 03/06/2007 | US7186182 Drive line for down hole mud motor |
| 03/06/2007 | US7185721 Male portion, drill bit and threaded joint for percussive rock drilling |
| 03/06/2007 | US7185716 Electrically sequenced tractor |
| 03/06/2007 | US7185715 Apparatus and method of controlling motion and vibration of an NMR sensor in a drilling bha |
| 03/06/2007 | US7185700 Separable plug for use with a wellbore tool |
| 03/06/2007 | CA2289097C Ultra high torque double shoulder tool joint |
| 03/01/2007 | WO2007025210A2 Preloaded riser coupling system |
| 03/01/2007 | WO2007024140A1 A method of incorporating a fast, readable data chip into metallic surfaces for electronic identification |
| 03/01/2007 | WO2007023233A1 Installation comprising at least two seafloor-surface connectors for at least two submarine pipelines resting on the seafloor |
| 03/01/2007 | US20070049093 Anti-Rotation Device for Mating Connectors and Methods of Using Same |
| 03/01/2007 | US20070045007 Connection design and sonde housing assembly for a directional drill |
| 03/01/2007 | US20070044984 Hand-held power tool having main and handle housings with a connection device for connecting the housings |
| 03/01/2007 | US20070044983 Housing device for hand-held power tool |
| 03/01/2007 | US20070044975 Preloaded riser coupling system |
| 03/01/2007 | US20070044974 Riser make-up tool |
| 03/01/2007 | US20070044973 Riser joint coupling |
| 03/01/2007 | US20070044972 Self-supported riser system and method of installing same |
| 02/28/2007 | EP1757769A1 Percussion drill bit |
| 02/28/2007 | EP1706714B1 Instrumented tubular device for the transport of a pressurised fluid using bragg grating rosettes |
| 02/28/2007 | CN2874007Y Pipe colume automatic centralizer |
| 02/28/2007 | CN2874006Y Sealed solid anti-scale, anti-wax and anti-corrosion device |
| 02/28/2007 | CN1920238A Oil field floor pipeline quick-acting connector |
| 02/28/2007 | CN1302197C Drill string member |
| 02/27/2007 | US7183239 Made with anionic or cationic polymers, a smaller amount of a surfactant having a charge opposite that of the polymer, and a hydrophobic alcohol. |
| 02/27/2007 | US7182161 Drill string tool with bearing sleeve |
| 02/27/2007 | US7182160 Drill string element having at least one bearing zone, a drill string, and a tool joint |
| 02/27/2007 | US7182159 Drill member for rock drilling and a method for manufacturing the drill member |
| 02/27/2007 | US7182158 Drilling device comprising a rotational drive |
| 02/27/2007 | US7182152 Sampling isolator |
| 02/27/2007 | US7182134 Intelligent well system and method |
| 02/27/2007 | US7182131 Dual diameter and rotating centralizer/sub and method |
| 02/22/2007 | WO2007022451A2 Retaining lines in bypass groove on downhole equipment |
| 02/22/2007 | WO2007019594A1 Method and device for releasing a block on a bore-crown during a boring process |
| 02/22/2007 | WO2007005671A3 Mud motor force absorption tools |
| 02/22/2007 | US20070039759 Mud saver valve |
| 02/22/2007 | US20070039757 Tension/collar/reamer assemblies and methods |
| 02/22/2007 | US20070039730 Apparatus and method for aquiring information while drilling |
| 02/21/2007 | EP1754920A1 Screw coupling for oil well pipe |
| 02/21/2007 | EP1753934A1 System and methods using fiber optics in coiled tubing |
| 02/21/2007 | EP1601855B1 Apparatus and methods for remote installation of devices for reducing drag and vortex induced vibration |
| 02/21/2007 | EP1399641B1 Pipe centralizer and method of attachment |
| 02/21/2007 | EP0894353B1 Underground well electrical cable transition, seal and method |
| 02/21/2007 | CN2871805Y Positive-punch and reverse-circulation sand-washing tool |
| 02/21/2007 | CN2871804Y Stabilizer of high-magnetic waxproofing oil-pumping unit |
| 02/21/2007 | CN2871803Y Stabilizer of strong-magnetic waxproofing oil-pumping unit |
| 02/21/2007 | CN2871802Y Shock-absorbing stabilizer of polished rod of oil-pumping unit |
| 02/21/2007 | CN2871801Y Self-rotating stabilizer |
| 02/21/2007 | CN2871800Y Stabilizer of ball oil-pumping unit |
| 02/21/2007 | CN2871799Y Magnetic-stabilized carbon fibre unit against eccentric abrasion |
| 02/21/2007 | CN2871798Y High-abrasion-resisting and anticorrosive torsional-moment polished rod |