| Patents for E21B 17 - Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings (27,800) |
|---|
| 08/10/2004 | CA2232034C Single bore riser system |
| 08/05/2004 | WO2004065835A2 Connection assembly for directional drilling |
| 08/05/2004 | WO2004053935A3 High power umbilicals for electric flowline immersion heating of produced hydrocarbons |
| 08/05/2004 | WO2004033840A3 Methods and apparatus for open hole drilling |
| 08/05/2004 | WO2004018823A3 Interposed joint sealing layer method of forming a wellbore casing |
| 08/05/2004 | WO2003086675A3 Protective sleeve for threaded connections for expandable liner hanger |
| 08/05/2004 | WO2003042489A3 Method and apparatus for a monodiameter wellbore, monodiameter casing, monobore, and/or monowell |
| 08/05/2004 | US20040150533 Downhole tool adapted for telemetry |
| 08/05/2004 | US20040150532 Method and apparatus for transmitting and receiving data to and from a downhole tool |
| 08/05/2004 | US20040149492 Drilling assembly and method |
| 08/05/2004 | US20040149471 Data transmission system for a downhole component |
| 08/05/2004 | US20040149453 Well provided with flexible production tubing |
| 08/05/2004 | US20040149450 Method and apparatus for expanding a welded connection |
| 08/05/2004 | US20040149449 Vent screen pressure deployment tool and method of use |
| 08/05/2004 | US20040149439 Flash welding process for field joining of tubulars for expandable applications |
| 08/05/2004 | US20040149431 Method and apparatus for a monodiameter wellbore, monodiameter casing and monobore |
| 08/05/2004 | US20040149428 Downhole cable protection device |
| 08/05/2004 | US20040148758 Radially expandable tubular with supported end portion |
| 08/05/2004 | CA2513435A1 Connection assembly for directional drilling |
| 08/04/2004 | EP1159510B1 Wellbore primary barrier and related systems |
| 08/04/2004 | EP1030957B1 Improvements in or relating to downhole tools |
| 08/04/2004 | CN2630473Y Efficient wear-resist elongated drill collar |
| 08/04/2004 | CN2630472Y Oil well bias-wear preventing device |
| 08/04/2004 | CN2630471Y Rapid-mounted paraffin-scraping type nylon sucker rod centralising device |
| 08/04/2004 | CN2630470Y Heat-insulated pipe hooping sealer |
| 08/04/2004 | CN2630469Y Lifting oblique joint |
| 08/04/2004 | CN2630468Y Pressure compensating heat-insulating retractable pipe |
| 08/04/2004 | CN2630467Y Special knucle thread casing pipe for oil well |
| 08/04/2004 | CN2630466Y Nano-coated anti corrosive oil pipe |
| 08/03/2004 | US6769489 Well stimulation tool and method of using same |
| 07/29/2004 | WO2004063523A1 Actuation devices, tools and apparatus |
| 07/29/2004 | WO2004063522A1 Wellstring assembly |
| 07/29/2004 | WO2004018824A3 Magnetic impulse applied sleeve method of forming a wellbore casing |
| 07/29/2004 | WO2004007895A3 Mud saver valve |
| 07/29/2004 | US20040145492 Data Transmission Element for Downhole Drilling Components |
| 07/29/2004 | US20040145184 Helically wound expandable tubular insert |
| 07/29/2004 | US20040144571 Locking swivel apparatus with a supplemental internal locking mechanism |
| 07/29/2004 | US20040144567 Locking swivel apparatus with replaceable internal gear members |
| 07/29/2004 | US20040144530 Toroidal choke inductor for wireless communication and control |
| 07/29/2004 | DE202004008061U1 Steigleitungsrohr für einen Tiefbrunnen Riser pipe for a deep well |
| 07/29/2004 | DE202004008060U1 Vorrichtung zum Evakuieren eines Steigleitungsrohres Apparatus for evacuating a riser pipe |
| 07/28/2004 | CN2628709Y Blowout preventing pipe assemblage with adjustable length |
| 07/28/2004 | CN2628708Y Screw pump oil production pipe column pressure test apparatus |
| 07/28/2004 | CN2628707Y Oil well pipe screwed joints |
| 07/28/2004 | CN1516776A Underwater pipeline connection jointed to riser |
| 07/27/2004 | US6768700 Method and apparatus for communications in a wellbore |
| 07/27/2004 | US6767156 Thread joint and threaded components for percussive drilling components |
| 07/27/2004 | US6766853 Apparatus for interconnecting continuous tubing strings having sidewall-embedded lines therein |
| 07/27/2004 | CA2162698C Drill pipe for directional drilling |
| 07/22/2004 | WO2004061269A1 Communication system for down hole use |
| 07/22/2004 | WO2004061261A1 Drilling with casing |
| 07/22/2004 | WO2004060590A2 Pressure relieved thread connection |
| 07/22/2004 | US20040140159 Centrifugal applicator |
| 07/22/2004 | US20040140133 Fracture and wear resistant compounds and down hole cutting tools |
| 07/22/2004 | US20040140090 Shock absorber |
| 07/22/2004 | CA2512069A1 Pressure relieved thread connection |
| 07/21/2004 | EP1438480A1 Method for conditioning wellbore fluids and sucker rod therefor |
| 07/21/2004 | EP1438479A2 Liquid seal for wet roof bit |
| 07/21/2004 | EP1218619B1 Packer system |
| 07/21/2004 | EP0968352A4 Friction reducing tool |
| 07/21/2004 | CN2627198Y Rotating centralizer for pumping rod |
| 07/21/2004 | CN2627197Y Localizer for pumping rod centralizer |
| 07/21/2004 | CN2627196Y Oil and water well evacuation sealing joint |
| 07/21/2004 | CN2627195Y Lose-hand device for oil extraction well narrow-bore water blocking tube |
| 07/20/2004 | US6764365 Buoyancy control systems for tubes |
| 07/20/2004 | US6764108 Assembly of hollow torque transmitting sucker rods |
| 07/20/2004 | US6764103 Method and apparatus for locking a tubular quick coupling |
| 07/20/2004 | US6763887 Drill pipe having an internally coated electrical pathway |
| 07/15/2004 | WO2004059119A1 Deep water flexible riser protection |
| 07/15/2004 | WO2004044379A3 Downhole hydraulic control line connector |
| 07/15/2004 | WO2004044377A9 Perforating gun quick connection system |
| 07/15/2004 | WO2002103161A3 Perforating gun assembly for use in multi-stage stimulation operations |
| 07/15/2004 | US20040136267 Dual imaging sonde including a rotationally and vertically offset second imaging tool |
| 07/15/2004 | US20040135372 Submersible pump drop pipe and casing assembly connection and method of manufacture |
| 07/15/2004 | US20040135370 Tubing connection arrangement |
| 07/15/2004 | US20040134667 Releasable wireline cablehead |
| 07/15/2004 | US20040134662 High power umbilicals for electric flowline immersion heating of produced hydrocarbons |
| 07/15/2004 | US20040134652 Subsurface signal transmitting apparatus |
| 07/14/2004 | EP1436485A1 Apparatus and methods for remote installation of devices for reducing drag and vortex induced vibration |
| 07/14/2004 | EP1436482A2 High power umbilicals for subterranean electric drilling machines and remotely operated vehicles |
| 07/14/2004 | EP1232321B1 A thread joint, a male portion and a female portion |
| 07/14/2004 | EP1175577A4 Threaded connection with high compressive rating |
| 07/14/2004 | CN2625562Y Roller type centralizer for pump well slick rod |
| 07/14/2004 | CN1157303C Continuous pumping rod welding tractor |
| 07/13/2004 | US6761574 Coiled tubing connector |
| 07/13/2004 | US6761507 Method and apparatus for replacement of underground pipe |
| 07/13/2004 | US6761232 Sprung member and actuator for downhole tools |
| 07/13/2004 | US6761231 Rotary driven drilling hammer |
| 07/13/2004 | CA2307488C Corrugated thick-walled pipe for use in wellbores |
| 07/13/2004 | CA2174769C Well tool |
| 07/08/2004 | WO2004057715A2 A cable duct device in a swelling packer |
| 07/08/2004 | WO2004057151A1 Wellbore consolidating tool for rotary drilling applications |
| 07/08/2004 | WO2004038163A3 Drill pipe having an internally coated electrical pathway |
| 07/08/2004 | WO2004010039A3 Protective sleeve for threaded connections for expandable liner hanger |
| 07/08/2004 | US20040131480 Bearing assembly for a progressive cavity pump and system for liquid lower zone disposal |
| 07/08/2004 | US20040130152 Pressure relieved thread connection |
| 07/08/2004 | US20040129457 Torque absorber for downhole drill motor |
| 07/08/2004 | US20040129430 Downhole latch |
| 07/08/2004 | US20040129425 Hybrid tension-leg riser |
| 07/08/2004 | DE4220636B4 Verbindungselement, insbesondere Kupplungsmuffe, für eine Schraubverbindung von Injektionsankerstangen von Injektionsankern Connecting element, in particular coupling sleeve for a screw of injection anchor rods for injection of anchors |