| Patents for E21B 17 - Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings (27,800) |
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| 03/30/2004 | US6712146 Downhole assembly releasable connection |
| 03/30/2004 | CA2229105C Tool deployment apparatus and method |
| 03/25/2004 | WO2004025078A1 A measuring sonde for a hydrocarbon well |
| 03/25/2004 | WO2004025069A2 System and method of drilling and completion |
| 03/25/2004 | WO2004025068A2 System and method for well workover with horizontal tree |
| 03/25/2004 | WO2004025042A2 Method of installing adjustable flange on tube |
| 03/25/2004 | US20040057798 Constant tension steel catenary riser system |
| 03/25/2004 | US20040055761 Pressure compensating apparatus and method for downhole tools |
| 03/25/2004 | US20040055756 Collapse resistance of tubing |
| 03/24/2004 | EP1399644A1 Method for preparing wellbore casing for installation |
| 03/24/2004 | EP1399642A1 Centering device |
| 03/24/2004 | EP1399641A1 Pipe centralizer and method of attachment |
| 03/24/2004 | CN2607437Y Internal supporting strip type sucker rod paraffin-scraping centralising device |
| 03/24/2004 | CN2607436Y Inserted centralising device |
| 03/23/2004 | US6708785 Fluid controlled adjustable down-hole tool |
| 03/23/2004 | US6708762 Methods and apparatus for forming a lateral wellbore |
| 03/23/2004 | US6708761 Apparatus for absorbing a shock and method for use of same |
| 03/23/2004 | CA2093544C Flexible line installing device with bend limiting device |
| 03/18/2004 | WO2004023014A2 Threaded connection for expandable tubulars |
| 03/18/2004 | WO2004022903A2 Top drive swivel apparatus and method |
| 03/18/2004 | WO2003050375A3 Thrust control apparatus |
| 03/18/2004 | WO2002079605A9 Downhole axial force generating tool |
| 03/18/2004 | US20040052586 Offshore platform with vertically-restrained buoy and well deck |
| 03/18/2004 | US20040050592 Male portion, drill bit and threaded joint for percussive rock drilling |
| 03/17/2004 | EP1398455A2 Drilling system including eccentric adjustable diameter blade stabilizer |
| 03/17/2004 | EP1398454A2 Drilling apparatus |
| 03/17/2004 | EP1398267A1 Compliant buoyancy cans and guides for stem pipe of risers |
| 03/17/2004 | CN2606785Y Guidable oil pumping rod centralizer |
| 03/17/2004 | CN2606784Y Striking sheet type anti-jet short joint |
| 03/16/2004 | US6706348 Composite spoolable tube with sensor |
| 03/16/2004 | US6705648 Pipe joint |
| 03/16/2004 | US6705415 Directional drilling apparatus |
| 03/11/2004 | WO2004020889A1 Tubular threaded joint which is impervious to the external environment |
| 03/11/2004 | WO2004020777A1 Suppression element for vortex-induced vibrations, construction kit, apparatus for extracting minerals, and mold |
| 03/11/2004 | WO2004020776A2 Well treatment apparatus and method |
| 03/11/2004 | WO2004020775A2 Method and apparatus for removing cuttings |
| 03/11/2004 | US20040046387 Coupling apparatus |
| 03/11/2004 | US20040045741 Borehole stabilization while drilling |
| 03/11/2004 | US20040045717 Method and apparatus for reforming tubular connections |
| 03/11/2004 | US20040045704 Disconnect devices |
| 03/11/2004 | US20040045616 Tubular liner for wellbore casing |
| 03/11/2004 | DE10240361A1 Drehende und schlagende Elektrohandwerkzeugmaschine Rotating and percussive electric hand tool |
| 03/11/2004 | CA2439788A1 Compliant stem buoyancy can and guide |
| 03/10/2004 | EP1395731A1 Underwater pipeline connection joined to a riser |
| 03/10/2004 | EP1099133B1 Optical fiber cable for use in harsh environments |
| 03/10/2004 | CN2606173Y Enlarged diameter tapered stabilizer |
| 03/10/2004 | CN2606172Y Universal flexible pup joint |
| 03/10/2004 | CN2606171Y Antiloosen screw pump sucker rods with wedge inserting connection |
| 03/09/2004 | US6703091 Structural lining system for pipes and method for applying same |
| 03/09/2004 | US6702046 Drill device for a drilling apparatus |
| 03/09/2004 | US6702042 Method and device for rotary well drilling |
| 03/09/2004 | US6702041 Combined logging and drilling system |
| 03/09/2004 | US6702040 Telescopic drilling method |
| 03/09/2004 | US6702011 Combined nitrogen treatment system and coiled tubing system in one tractor/trailer apparatus |
| 03/09/2004 | CA2402035A1 Shock sub for absorbing torsional impact loads |
| 03/04/2004 | WO2004018966A1 Apparatuses and methods for monitoring stress in steel catenary risers |
| 03/04/2004 | WO2004018832A1 A method and device by a displacement tool |
| 03/04/2004 | WO2004018830A1 Wash out preventer |
| 03/04/2004 | WO2004018828A1 Reverse circulation directional and horizontal drilling using concentric coil tubing |
| 03/04/2004 | WO2004018827A1 Reverse circulation directional and horizontal drilling using concentric drill string |
| 03/04/2004 | WO2004018825A2 Riser connector |
| 03/04/2004 | WO2004018824A2 Magnetic impulse applied sleeve method of forming a wellbore casing |
| 03/04/2004 | WO2004018823A2 Interposed joint sealing layer method of forming a wellbore casing |
| 03/04/2004 | US20040040751 Directional drilling apparatus |
| 03/04/2004 | US20040040749 Method and apparatus for removing cuttings |
| 03/04/2004 | US20040040715 In situ production of a blending agent from a hydrocarbon containing formation |
| 03/04/2004 | US20040040709 Apparatus and method for disconnecting a tail pipe and maintaining fluid inside a workstring |
| 03/04/2004 | US20040040707 Well treatment apparatus and method |
| 03/04/2004 | US20040040704 Downhole tool |
| 03/03/2004 | EP1394351A2 Apparatus for producing drilled piles |
| 03/03/2004 | EP1393864A1 Hand held electric tool with rotation and percussion |
| 03/03/2004 | EP1392952A1 Apparatus and method for rotary bored drilling |
| 03/03/2004 | EP0928359B1 Marine riser and method of use |
| 03/03/2004 | CN2605378Y Hydraulic rigid centralising device for well drilling and well cementation |
| 03/03/2004 | CN2605377Y Petroleum thick-wall casting and oil pipe sealing connection structure |
| 03/02/2004 | US6698976 Grouting pipe equipment and method of grouting using the same for an underground water well |
| 03/02/2004 | US6698537 Bit retention system |
| 03/02/2004 | US6698514 Remote operated coil connector apparatus |
| 03/02/2004 | CA2234089C Drill pipe/casing protector assembly |
| 03/02/2004 | CA2207809C Cutting bed impeller |
| 02/26/2004 | WO2004016902A1 High expansion anchor system |
| 02/26/2004 | WO2004001182A3 Internal support apparatus for downhole tubular structures |
| 02/26/2004 | WO2003089161A3 Protective sleeve for threaded connections for expandable liner hanger |
| 02/26/2004 | US20040036286 Screw threaded joint for continous-profile tubes |
| 02/26/2004 | US20040035584 Well configuration and method of increasing production from a hydrocarbon well |
| 02/26/2004 | US20040035572 Knuckle-swivel for drilling wells |
| 02/26/2004 | US20040035216 Apparatuses and methods for monitoring stress in steel catenary risers |
| 02/25/2004 | CN2604511Y Sucker rod contact roller type centralising device |
| 02/25/2004 | CN2604510Y Fastening sucker rod joining hoop centralising device |
| 02/25/2004 | CN2604509Y Rotary sucker rod hoop centering device |
| 02/25/2004 | CN2604508Y Special forward and backward rotary drilling rod joint for drilling well or repairing well |
| 02/25/2004 | CN1139517C Floating offshore construction and floating element |
| 02/24/2004 | US6695542 Riser guide |
| 02/24/2004 | US6695540 Vortex induced vibration suppression device and method |
| 02/24/2004 | US6695539 Apparatus and methods for remote installation of devices for reducing drag and vortex induced vibration |
| 02/24/2004 | US6695065 Tubing expansion |
| 02/24/2004 | US6695056 System for forming a window and drilling a sidetrack wellbore |
| 02/24/2004 | CA2264360C Downhole tool catcher |
| 02/24/2004 | CA2144497C Modular measurement while drilling sensor assembly |
| 02/19/2004 | WO2004015239A2 Offshore platform with vertically-restrained buoy and well deck |