| Patents for E21B 17 - Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings (27,800) |
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| 08/24/2006 | WO2006089051A2 Drill chuck |
| 08/24/2006 | WO2006088379A1 Centralization and running tool and method |
| 08/24/2006 | WO2006072761A3 Downhole tool |
| 08/24/2006 | WO2006012131A3 Drill pipe assembly |
| 08/24/2006 | WO2006007240B1 Retrofit kit for a modular control apparatus for a power impact tool |
| 08/24/2006 | US20060188342 Method of manufacturing composite riser |
| 08/24/2006 | US20060186602 Improved seal |
| 08/24/2006 | US20060185907 Device for transporting particles of a magnetic material and tool comprising such a device |
| 08/24/2006 | US20060185905 Dynamic damper for use in a drill string |
| 08/24/2006 | US20060185870 Drill chuck |
| 08/23/2006 | EP1692424A1 Improvement of resistance to fatigue of a threaded tubular connection |
| 08/23/2006 | EP1692421A1 Production by plastic expansion of a sealed tubular joint with inclined abutting surface(s) |
| 08/23/2006 | EP1692366A2 Thread proctector for use on pin end of oilfield tubulars |
| 08/23/2006 | EP1328702B1 Drill string member |
| 08/23/2006 | EP1299615B1 Apparatus and methods for orientation of a tubular string in a non-vertical wellbore |
| 08/23/2006 | CN2809194Y Deflection abrasion preventing multiplier for oil well |
| 08/23/2006 | CN2809193Y Centralizer for sucker rod |
| 08/23/2006 | CN2809192Y Eight-arm roller centralizer |
| 08/23/2006 | CN2809191Y High seal and high strength petroleum drill rod joint |
| 08/23/2006 | CN2809190Y End face opposite jacking torsion-bearing connection structure for casing |
| 08/23/2006 | CN2809189Y Reinforced sucker rod |
| 08/23/2006 | CN2809188Y Sleeve for oil extraction well |
| 08/23/2006 | CN1823208A Open hole tractor with tracks |
| 08/23/2006 | CN1271309C Pipe joint, method of connecting pipe joint, pipe-shape drill pipe column and method for drilling borehole |
| 08/22/2006 | US7093680 Subsurface signal transmitting apparatus |
| 08/22/2006 | US7093675 Drilling method |
| 08/22/2006 | US7093671 Pneumatic rock-boring device and method for starting such a device |
| 08/22/2006 | US7093654 Downhole component with a pressure equalization passageway |
| 08/22/2006 | CA2277228C Method and device for joining oilfield tubulars |
| 08/22/2006 | CA2216459C Rod joint |
| 08/17/2006 | US20060181159 Machine tool and arrangement for the throughflow collant |
| 08/17/2006 | US20060180351 Air injection collar |
| 08/17/2006 | US20060180228 Assembly and method for stiffening a flexible pipe |
| 08/16/2006 | EP1509671B1 Multi-catenary type rising column |
| 08/16/2006 | EP1299614B1 Aluminium riser apparatus, system and method of manufacturing |
| 08/16/2006 | EP1248895B1 Centraliser |
| 08/16/2006 | EP1242711B1 Drilling bit for drilling while running casing |
| 08/16/2006 | CN2806745Y Wearable dead-space adjuster for rod-pumped well |
| 08/16/2006 | CN2806744Y Automatic deflection-preventing centering device with built-in ball bearing for sucker rod |
| 08/16/2006 | CN2806743Y Wearable corrosion-resistant sliding sealed bearing bar |
| 08/15/2006 | US7091810 Element of an inductive coupler |
| 08/15/2006 | US7090035 Method and system for connecting pipe to a top drive motor |
| 08/15/2006 | US7090033 Drill string shutoff valve |
| 08/15/2006 | US7090008 System to connect conduit sections in a subterranean well |
| 08/15/2006 | US7090007 Centralizer for wireline tools |
| 08/15/2006 | US7090006 Replaceable liner for metal lined composite risers in offshore applications |
| 08/15/2006 | CA2433645C System and method for fail-safe disconnect from a subsea well |
| 08/15/2006 | CA2406857C Method and apparatus for determining reservoir characteristics |
| 08/15/2006 | CA2257951C Drilling apparatus |
| 08/10/2006 | WO2006082421A1 Apparatus and method |
| 08/10/2006 | US20060178049 Connector |
| 08/10/2006 | US20060177276 Seafloor-surface coupling device comprising a flexible, leak-tight connection between a riser and a float |
| 08/10/2006 | US20060177273 Deep water flexible riser protection |
| 08/10/2006 | US20060175826 Electrical isolation connector subassembly for use in directional drilling |
| 08/10/2006 | US20060175404 Process and assembly for identifying and tracking assets |
| 08/10/2006 | US20060175093 Method and device for boring holes in soil or rock |
| 08/10/2006 | US20060175069 Power tool |
| 08/10/2006 | DE202006009320U1 Sleeve pipe component for a drilling unit, comprises elements which ca be inserted into one another |
| 08/09/2006 | EP1687506A1 A disconnect device |
| 08/09/2006 | CN2804366Y Wear-proof device for oil filling tube of sucker rod |
| 08/09/2006 | CN2804365Y Device of reducing space of sucker rod centralizer |
| 08/09/2006 | CN2804364Y 限位式抽油杆扶正器 Limit type rod centralizer |
| 08/09/2006 | CN2804363Y Hot extraction casing head with double casing slip |
| 08/09/2006 | CN2804362Y Casing buckle of cased hole |
| 08/09/2006 | CN2804361Y Drill rod of rotary digging driller |
| 08/09/2006 | CN1814984A Internal-rolling sucker rod centralizer |
| 08/08/2006 | US7086669 Method and apparatus for sealing radially expanded joints |
| 08/08/2006 | US7086481 Wellbore isolation apparatus, and method for tripping pipe during underbalanced drilling |
| 08/08/2006 | US7086475 Method of inserting a tubular member into a wellbore |
| 08/08/2006 | US7086465 In situ production of a blending agent from a hydrocarbon containing formation |
| 08/08/2006 | US7086464 Well testing system |
| 08/08/2006 | CA2367613C Dual diverter and orientation device for multilateral completions and method |
| 08/08/2006 | CA2245502C Method of suspending an esp within a wellbore |
| 08/03/2006 | WO2006079703A1 Tubular drill rod |
| 08/03/2006 | WO2005065364A3 Instrumented internal blowout preventer valve for measuring drill string drilling parameters |
| 08/02/2006 | CN2802064Y Automatic polish rod clip with wounded |
| 08/02/2006 | CN2802063Y Guide centering guide |
| 08/02/2006 | CN2802062Y Spring type Y-shaped joint for well |
| 08/02/2006 | CN2802061Y Excavating transporting device of drilling machine |
| 08/02/2006 | CN1267620C Sucker polish rod manufacturing process |
| 08/01/2006 | US7084782 Drill string telemetry system and method |
| 08/01/2006 | US7083452 Device and a method for electrical coupling |
| 08/01/2006 | US7083010 Apparatus and method for drilling and reaming a borehole |
| 08/01/2006 | US7083008 Apparatus and method for pressure-compensated telemetry and power generation in a borehole |
| 08/01/2006 | US7083005 Apparatus and method of drilling with casing |
| 08/01/2006 | US7082998 Systems and methods for placing a braided, tubular sleeve in a well bore |
| 08/01/2006 | US7082997 Pipe centralizer and method of attachment |
| 08/01/2006 | US7082994 Radially adjustable downhole devices and methods for same |
| 08/01/2006 | CA2413947C Rock drill head |
| 08/01/2006 | CA2204018C 2-stage underreamer |
| 07/27/2006 | WO2006077482A1 A sealing element and a coupling device provided with such a sealing element |
| 07/27/2006 | WO2006077399A2 Centraliser |
| 07/27/2006 | WO2006059220A3 A hybrid riser system |
| 07/27/2006 | WO2005100735A3 Self-contained centralizer system |
| 07/27/2006 | US20060162966 Rotary drag bit including a central region having a plurality of cutting structures, method of manufacture thereof, and displacement for manufacture thereof |
| 07/27/2006 | US20060162937 Protective sleeve for threaded connections for expandable liner hanger |
| 07/27/2006 | US20060162934 Subsea Pumping System |
| 07/27/2006 | US20060162145 Method for producing a treaded tubular connection sealed by radial expansion |
| 07/26/2006 | EP1339940B1 Slip connector for use with coiled tubing |
| 07/26/2006 | CN2799839Y Centralizer of pumping rod |