| Patents for E21B 17 - Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings (27,800) |
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| 05/26/2005 | WO2005047641A1 Composite riser with integrity monitoring apparatus and method |
| 05/26/2005 | WO2005047640A2 Sytem and method for damping vibration in a drill string |
| 05/26/2005 | WO2003076760A8 Steerable soil penetration system |
| 05/26/2005 | US20050109542 Steerable drilling system |
| 05/26/2005 | US20050109538 [apparatus and method for acquiring information while drilling] |
| 05/26/2005 | US20050109513 Buoyancy can for offshore oil and gas riser |
| 05/26/2005 | US20050109097 Downhole tool sensor system and method |
| 05/26/2005 | CA2755416A1 A torsional bearing assembly for transmitting torque to a drill bit |
| 05/25/2005 | EP1533467A2 Multilateral well drilling and completion method and apparatus |
| 05/25/2005 | EP1532474A1 Marking of pipe joints |
| 05/25/2005 | EP1532388A1 Tubular threaded joint which is impervious to the external environment |
| 05/25/2005 | EP1532345A1 Securing arrangement for reamers in raise boring |
| 05/25/2005 | EP1432886B1 Disconnect for use in a wellbore |
| 05/25/2005 | EP1259703B1 Thread joint and rock drill element |
| 05/25/2005 | CN2702049Y Protector for preventing rod from breaking and dropping off in pumping well |
| 05/25/2005 | CN2702042Y Device for preventing screw drill from falling into well |
| 05/25/2005 | CN1619098A Downhole tool sensor system and method |
| 05/25/2005 | CN1619095A Column surface loading pipe type drill rod |
| 05/25/2005 | CN1619005A Deep well, ultra deep well petroleum sleev in petroleum natural extraction gas and its production method |
| 05/24/2005 | US6896447 Vortex induced vibration suppression device and method |
| 05/24/2005 | US6896062 Riser buoyancy system |
| 05/24/2005 | US6896054 Microorganism enhancement with earth loop heat exchange systems |
| 05/24/2005 | CA2391158C A thread joint, a male portion and a female portion |
| 05/24/2005 | CA2300331C Pressure-actuated running tool |
| 05/24/2005 | CA2217899C Dual-member pipe joint for a dual member drill string |
| 05/24/2005 | CA2167676C Method for controlling the head of a drilling or core-drilling device and apparatus for carrying out this method |
| 05/19/2005 | WO2005045190A1 Bubble breaker assembly |
| 05/19/2005 | WO2005045188A1 High-stregth sealed connection for expandable tubulars |
| 05/19/2005 | WO2005045185A1 Gravel pack completion with fluid loss control and fiber optic wet connect |
| 05/19/2005 | WO2005045178A1 A disconnect device |
| 05/19/2005 | WO2005045175A2 Downhole fiber optic wet connect and gravel pack completion |
| 05/19/2005 | WO2005045174A2 Gravel pack completion with fiber optic monitoring |
| 05/19/2005 | WO2004083592A3 Apparatus and method for running a radially expandable tubular member |
| 05/19/2005 | WO2004023014A8 Threaded connection for expandable tubulars |
| 05/19/2005 | US20050103527 Dual wall drill string assembly |
| 05/19/2005 | US20050103503 Selectively retrievable wear bushing for subsea or surface applications |
| 05/19/2005 | US20050103501 Disengageable downhole tool |
| 05/19/2005 | US20050103498 Production of natural gas from hydrates |
| 05/19/2005 | DE10357505A1 Anschlussstück mit verbesserter Struktur zur Verwendung mit einem Kernbohrer sowie Kernbohrer und Anschlussstückbaugruppe mit einem derartigen Anschlussstück Fitting with an improved structure for use with a core drill and core drill and connector assembly with such a connecting piece |
| 05/19/2005 | CA2544161A1 A disconnect device |
| 05/18/2005 | CN2700543Y Rotary sucker rod coupling sleeve centralizer |
| 05/18/2005 | CN2700542Y Special casing joint for thermal production well |
| 05/18/2005 | CN2700541Y Thread off prevention device for sucker rod in screw pump well |
| 05/18/2005 | CN1617973A Steerable rotary drill bit assembly with pilot bit |
| 05/17/2005 | US6892834 Piloted drill barrel and method of using same |
| 05/17/2005 | US6892832 Breakable washer earth boring bit |
| 05/17/2005 | US6892831 Method and apparatus for boring through a solid material |
| 05/17/2005 | US6892830 Rotary steerable drilling tool and associated method of use |
| 05/17/2005 | US6892829 Two string drilling system |
| 05/17/2005 | CA2283958C Abnormal torque absorber for drilling |
| 05/12/2005 | WO2005042908A2 Three in one combined power unit for nitrogen system, fluid system, and coiled tubing system |
| 05/12/2005 | WO2005042905A2 A piggable flowline-riser system |
| 05/12/2005 | WO2004010163A8 Marking of pipe joints |
| 05/12/2005 | US20050100414 Composite riser with integrity monitoring apparatus and method |
| 05/12/2005 | US20050098356 Auto-extending/retracting electrically isolated conductors in a segmented drill string |
| 05/12/2005 | US20050098353 Variable gauge drilling apparatus and method of assembly thereof |
| 05/12/2005 | US20050098350 Three dimensional steering system and method for steering bit to drill borehole |
| 05/12/2005 | US20050098349 Control systems and methods for active controlled bottomhole pressure systems |
| 05/12/2005 | CA2540996A1 Three in one combined power unit for nitrogen system, fluid system, and coiled tubing system |
| 05/11/2005 | EP1529149A2 Offshore well production riser |
| 05/11/2005 | EP1529148A1 Welded joints for rotary-vibratory drills having reduced stress |
| 05/11/2005 | CN2698961Y Bidirectional traceless tubing anchor |
| 05/11/2005 | CN2698958Y Hydraulic expansion reinforcing device for down-hole casing patch |
| 05/11/2005 | CN2698957Y Screw pump centralizer |
| 05/11/2005 | CN2698956Y Anti-wear and anti-corrosive coupling |
| 05/11/2005 | CN2698955Y Reusable oil pipe with replaceable joint |
| 05/11/2005 | CN1201062C Integral joint for connecting two pipes |
| 05/10/2005 | US6890007 Coiled tubing connector and method of manufacture |
| 05/06/2005 | WO2005040547A1 Downhole connector |
| 05/05/2005 | US20050095827 An internal coaxial cable electrical connector for use in downhole tools |
| 05/05/2005 | US20050093296 An Upset Downhole Component |
| 05/05/2005 | US20050093250 High-strength sealed connection for expandable tubulars |
| 05/05/2005 | US20050092527 Vibration damper systems for drilling with casing |
| 05/05/2005 | US20050092499 Improved drill string transmission line |
| 05/05/2005 | US20050092490 Completion apparatus and methods for use in hydrocarbon wells |
| 05/05/2005 | US20050092483 In situ thermal processing of a hydrocarbon containing formation using a natural distributed combustor |
| 05/04/2005 | EP1527254A1 An expandable metal liner for downhole components |
| 05/04/2005 | CN2697305Y Lock block type hydraulic releasing gadget |
| 05/04/2005 | CN2697302Y Rotary protector for pipe tool |
| 05/04/2005 | CN2697301Y Stabilizer for sucker rod |
| 05/04/2005 | CN2697300Y Shock-damping dropping resisting device for sucker rod |
| 05/04/2005 | CN2697299Y All closed multi-thread anti-twisting sucker rod |
| 05/03/2005 | US6888272 Unipolar transverse magnetic flux machine |
| 05/03/2005 | US6886645 Liquid seal for wet roof bit |
| 05/03/2005 | US6886638 Field weldable connections |
| 05/03/2005 | US6886637 Cylinder-stem assembly to floating platform, gap controlling interface guide |
| 05/03/2005 | US6886391 Redundant metal-metal seal |
| 05/03/2005 | CA2329471C Decentralizing, centralizing, locating and orienting subsystems and methods for subterranean multilateral well drilling and completion |
| 04/28/2005 | WO2005038326A1 Guide tube for a flexible duct for transporting hydrocarbons |
| 04/28/2005 | WO2005038190A1 Method for interconnecting electrical conduits in a borehole |
| 04/28/2005 | WO2003059549A8 Protective sleeve for threaded connections for expandable liner hanger |
| 04/28/2005 | US20050087983 Reinforced tubular joint for improved sealing-tightness after plastic expansion |
| 04/28/2005 | US20050087368 Downhole telemetry system and method |
| 04/28/2005 | US20050087338 Disconnect device |
| 04/27/2005 | CN2695626Y Polish rod break and drop protecter |
| 04/27/2005 | CN2695605Y Outer slid case type releasing gadget tool for anti-sand process |
| 04/27/2005 | CN2695604Y Sucker rod coupling wrapped with special engineering playstic layer |
| 04/27/2005 | CN2695603Y Safety double-joint |
| 04/27/2005 | CN1609410A Redundant telemetry system |
| 04/26/2005 | US6883623 Earth boring apparatus and method offering improved gage trimmer protection |