| Patents for E21B 17 - Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings (27,800) |
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| 09/26/2006 | US7111688 Clamping well casings |
| 09/26/2006 | US7111680 Bore-lining tubing and method of use |
| 09/22/2006 | CA2540054A1 Fatigue resistant rotary shouldered connection and method |
| 09/21/2006 | WO2006097710A1 Multi-function downhole tool |
| 09/21/2006 | WO2006097706A1 Downhole apparatus |
| 09/21/2006 | US20060210403 Method of running a down hole rotary pump |
| 09/21/2006 | US20060208488 Protective compression and tension sleeves for threaded connections for radially expandable tubular members |
| 09/21/2006 | US20060208031 Concentric, insulated tubular conduits and method for assembly |
| 09/21/2006 | US20060207801 Technique for drilling straight bore holes in the earth |
| 09/21/2006 | US20060207798 Steerable drilling system |
| 09/21/2006 | US20060207797 Selectively actuatable expandable underreamer/stabilizer |
| 09/21/2006 | US20060207796 Multi-function downhole tool |
| 09/21/2006 | US20060207768 Tubular stabbing protector and method |
| 09/20/2006 | EP1703074A2 Tubular filling system |
| 09/20/2006 | EP1702133A1 Method for drilling and lining a wellbore |
| 09/20/2006 | CN2818762Y Lengthened thread sleeve for drilling well |
| 09/20/2006 | CN2818761Y Tubular column construction and pressure-test integrated equipment under well |
| 09/19/2006 | US7108079 Electric power tool |
| 09/19/2006 | US7108072 Lubrication and self-cleaning system for expansion mandrel |
| 09/19/2006 | US7108063 Connectable rod system for driving downhole pumps for oil field installations |
| 09/19/2006 | US7108061 Expander for a tapered liner with a shoe |
| 09/19/2006 | US7107875 Methods and apparatus for connecting tubulars while drilling |
| 09/19/2006 | US7107663 Expandable coupling |
| 09/19/2006 | CA2415637C Well management system |
| 09/19/2006 | CA2296858C Cementing head |
| 09/19/2006 | CA2229109C Methods of completing a subterranean well and associated apparatus |
| 09/14/2006 | US20060204341 Method and device for rock bolting |
| 09/14/2006 | US20060204338 Umbilical anchoring clamp |
| 09/14/2006 | US20060203612 Sonde System Including Rotationally and Vertically Offset Tools |
| 09/14/2006 | US20060201717 Gap sub assembly |
| 09/14/2006 | US20060201680 Method and device by a displacement tool |
| 09/14/2006 | US20060201670 Downhole apparatus |
| 09/13/2006 | EP1700999A2 Tubular filling system |
| 09/13/2006 | EP1700998A2 Tubular Filling System |
| 09/13/2006 | EP1699998A1 A stiffener fixation assembly for a protective assembly that protects a flexible tube against wear due to friction |
| 09/13/2006 | EP1699997A1 A telescopic data coupler |
| 09/13/2006 | CN2816329Y Expnding elastic sleeve-pipe righter |
| 09/13/2006 | CN2816328Y Thick-oil hot-production sleeve-pipe head |
| 09/13/2006 | CN2816327Y High-strength large-pump tripping jointing device |
| 09/13/2006 | CN1831341A Subsea pumping system |
| 09/13/2006 | CN1831291A Continuous strenth compound tube for oil production of oil field and its production technology |
| 09/13/2006 | CN1274939C Integrated transmitter surveying while boring (SWB) entrenching powering device for continuation of guided bore hole |
| 09/12/2006 | US7105104 Liquid phase phase change material and thickener |
| 09/12/2006 | US7104345 Downhole rotatable-shaft connector assembly and method |
| 09/12/2006 | US7104330 Marine riser tower |
| 09/12/2006 | US7104324 Intelligent well system and method |
| 09/12/2006 | US7104318 Self-contained centralizer system |
| 09/12/2006 | US7104317 Expandable composition tubulars |
| 09/08/2006 | WO2006092649A1 Drill stem connection |
| 09/08/2006 | CA2759755A1 Drill stem connection |
| 09/07/2006 | US20060196697 Stabilizing system and methods for a drill bit |
| 09/07/2006 | US20060196696 Electrically sequenced tractor |
| 09/07/2006 | US20060196694 Electrically sequenced tractor |
| 09/07/2006 | US20060196676 Sliding sleeve devices and methods using O-ring seals as shear members |
| 09/07/2006 | US20060196670 Well testing system |
| 09/07/2006 | US20060196658 Tubular slug reducer |
| 09/07/2006 | US20060196657 Apparatus for connecting sucker rods |
| 09/07/2006 | US20060196036 Wear protectors |
| 09/06/2006 | CN2813888Y Sand control well sectional oil producing pipe column |
| 09/06/2006 | CN2813876Y Centralising device for sucker rod |
| 09/06/2006 | CN2813875Y Hydraulic antireleasing shock absorber |
| 09/06/2006 | CN2813874Y Welding non-excavation drilling rod |
| 09/06/2006 | CN2813873Y Drilling rod of central placing roofbolt driller |
| 09/06/2006 | CN1273718C Threaded spacer and its forming process |
| 09/05/2006 | USRE39259 Apparatus and method for providing electrical transmission of power and signals in a directional drilling apparatus |
| 09/05/2006 | US7100994 injecting a heated fluid into the well bore, producing a second fluid from the formation, conducting an in situ conversion process in the selected section. |
| 09/05/2006 | US7100713 Expandable apparatus for drift and reaming borehole |
| 09/05/2006 | US7100711 Single cone rock bit having inserts adapted to maintain hole gage during drilling |
| 09/05/2006 | US7100699 High tensile loading top entry sub and method |
| 09/05/2006 | US7100697 Method and apparatus for reforming tubular connections |
| 09/05/2006 | US7100696 Disconnect for use in a wellbore |
| 09/05/2006 | US7100694 Marine riser tower |
| 09/05/2006 | US7100690 Gravel packing apparatus having an integrated sensor and method for use of same |
| 09/05/2006 | US7100685 Mono-diameter wellbore casing |
| 09/05/2006 | US7100684 Liner hanger with standoffs |
| 09/05/2006 | CA2367608C Method and apparatus for accurate milling of windows in well casings |
| 08/31/2006 | WO2006089617A1 Method and apparatus suitable for hole cleaning during drilling operations |
| 08/30/2006 | EP1696101A1 Method and apparatus suitable for hole cleaning during drilling operations |
| 08/30/2006 | CN2811566Y Well deviation azimuth sensor |
| 08/30/2006 | CN2811552Y Adjustable rotating oil extraction well head |
| 08/30/2006 | CN2811542Y Drilling casing protection device |
| 08/30/2006 | CN2811541Y Horizontal well casing centering device |
| 08/30/2006 | CN2811540Y Torque sucker rod |
| 08/30/2006 | CN2811537Y Drilling tool without waste discharge for long auger boring machine |
| 08/30/2006 | CN1272521C Tubular threaded joint with reinforced stop |
| 08/29/2006 | US7098767 Element for use in an inductive coupler for downhole drilling components |
| 08/29/2006 | US7097387 Engineered material buoyancy system and device |
| 08/29/2006 | US7096982 Drill shoe |
| 08/29/2006 | US7096981 Alternating inclinations of compacts for drill bit |
| 08/29/2006 | US7096975 Modular design for downhole ECD-management devices and related methods |
| 08/29/2006 | US7096961 Method and apparatus for performing diagnostics in a wellbore operation |
| 08/29/2006 | US7096958 Compliant buoyancy can guide |
| 08/29/2006 | US7096957 Internal beam buoyancy system for offshore platforms |
| 08/29/2006 | US7096950 Combined milling and scraping tool |
| 08/29/2006 | US7096946 Rotating blast liner |
| 08/29/2006 | US7096942 In situ thermal processing of a relatively permeable formation while controlling pressure |
| 08/29/2006 | US7096940 Centralizer system for insulated pipe |
| 08/29/2006 | US7096939 Slotted expandable centraliser |
| 08/29/2006 | CA2345129C A reinforced flexible tubular pipe with conveying back of leak fluid |
| 08/29/2006 | CA2210592C Joint assembly |