| Patents for E21B 17 - Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings (27,800) |
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| 02/28/2006 | US7004250 Sealing system for the interspace in the transition region between two well pipes of different diameters, and mounting tool for this |
| 02/28/2006 | CA2360472C Sand screen with communication line conduit |
| 02/28/2006 | CA2307627C Mill for use in a wellbore and method of milling |
| 02/23/2006 | WO2006019346A1 A rock drill bit and a thread joint |
| 02/23/2006 | US20060037757 Protection means for a flexible riser |
| 02/23/2006 | US20060037745 Expandable device for use in a well bore |
| 02/23/2006 | CA2577083A1 Tubular member expansion apparatus |
| 02/23/2006 | CA2577043A1 Radial expansion system |
| 02/23/2006 | CA2576145A1 A rock drill bit and a thread joint |
| 02/22/2006 | EP1628060A1 Marine hose |
| 02/22/2006 | EP1627985A1 Rotary drill bit |
| 02/22/2006 | CN2760217Y Collar clamp type eccentric wear proof centralizer |
| 02/22/2006 | CN2760216Y Adapter for fast mounting of hollow diverting rotor |
| 02/22/2006 | CN2760215Y Non-excavating drilling rod |
| 02/22/2006 | CN2760214Y A drilling machine |
| 02/22/2006 | CN1738961A Wellstring assembly |
| 02/21/2006 | US7002445 Loaded transducer for downhole drilling components |
| 02/21/2006 | US7001234 Marine riser system |
| 02/21/2006 | US7000715 Rotary drill bits exhibiting cutting element placement for optimizing bit torque and cutter life |
| 02/21/2006 | US7000699 Method and apparatus for orienting perforating devices and confirming their orientation |
| 02/21/2006 | CA2355571C Deep well instrumentation |
| 02/16/2006 | WO2006016155A1 Downhole device |
| 02/16/2006 | US20060032640 Protective sleeve for threaded connections for expandable liner hanger |
| 02/16/2006 | DE102004034703A1 Vorrichtung zur Betätigung der Verriegelungsbolzen der Werkzeugaufnahme einer Bohrvorrichtung A device for operating the lock bolt of the tool holder of a drilling |
| 02/16/2006 | DE102004027048B3 Verfahren und Vorrichtung zum Einbringen von geophysikalischen Messkabeln in horizontale und vertikale Bohrlöcher Method and apparatus for the introduction of cables in geophysical measuring horizontal and vertical boreholes |
| 02/15/2006 | EP1626155A2 Cable protector for tubulars |
| 02/15/2006 | EP1625277A1 A connection rod for rock drilling and a method of producing the same. |
| 02/15/2006 | EP1625192A2 Resin bonded particulate anti-seize agent, lubricating system made therefrom and methods of making and using same |
| 02/15/2006 | EP1341987B1 Protective element for a riser segment |
| 02/15/2006 | CN2758472Y Fracturing pipe column |
| 02/15/2006 | CN2758465Y Rotary release proof sand carrier |
| 02/15/2006 | CN2758448Y Anti offset grinding centralizer of oilo pumping rod |
| 02/15/2006 | CN2758447Y Rigid locking relieving device |
| 02/15/2006 | CN2758446Y Combined casing head |
| 02/15/2006 | CN2758445Y infiltration plated alloy corrosion proof oil pumping rod |
| 02/15/2006 | CN2758438Y Special fine drill for hydraulic drill wagon |
| 02/15/2006 | CN1734053A Down-hole sand control apparatus |
| 02/14/2006 | US6997271 Drilling string torsional energy control assembly and method |
| 02/14/2006 | US6997266 Expandable hanger and packer |
| 02/14/2006 | US6997264 Method of jointing and running expandable tubulars |
| 02/14/2006 | US6997254 Method of making a centering device and centering device formed by that method |
| 02/09/2006 | WO2006012731A2 Integrated magnetic ranging tool |
| 02/09/2006 | US20060028321 Integrated magnetic ranging tool |
| 02/09/2006 | US20060027400 Device for generating electrical energy from a vibrating tool |
| 02/09/2006 | US20060027359 Whipstock assembly and method of manufacture |
| 02/09/2006 | DE102004033706A1 Device for making foundation boreholes in ground has drill rod with telescopic segments, load application arrangement for applying top load to drill head, lifting arrangement for raising and lowering drilling rod and drill head |
| 02/09/2006 | CA2506348A1 Junction assembly system and method for providing a downhole junction |
| 02/08/2006 | EP1624151A2 Accomodation for tubular drilling tool |
| 02/08/2006 | EP1623092A1 Device for rock bolting and for automized rock bolting and rock bolting |
| 02/08/2006 | EP1623087A1 Limit clamp for use with casing attachments |
| 02/08/2006 | EP1451443B1 Severe dog leg swivel for tubing conveyed perforating |
| 02/08/2006 | CN2756814Y Anti-unstabilizing compensating device for sucker rod |
| 02/08/2006 | CN2756813Y Anti-wear pumping aid efficient centralizer centering ring |
| 02/08/2006 | CN2756812Y Wedge type fixing oil pumping rod centralizer |
| 02/08/2006 | CN2756811Y Inter plug-in-type sucker rod position limitor |
| 02/08/2006 | CN2756810Y Drillable automatic filling and casing float hoop inner core |
| 02/08/2006 | CN2756809Y Irregular round steel positioning centralizing anti-deviation wearing sucker rod |
| 02/08/2006 | CN1730896A Strapdown type stable platform apparatus |
| 02/08/2006 | CN1240928C Variable-thread connecting hoop |
| 02/08/2006 | CN1240800C Well casing adhesive sand combing glue |
| 02/07/2006 | US6994628 Locking swivel apparatus with replaceable internal gear members |
| 02/07/2006 | US6994494 Device for producing bored piles |
| 02/07/2006 | US6994492 Methods for remote installation of devices for reducing drag and vortex induced vibration |
| 02/07/2006 | CA2424608C Drill string shutoff valve |
| 02/07/2006 | CA2404885C Slim type oil well pipe fitting |
| 02/07/2006 | CA2328190C External casing anchor |
| 02/07/2006 | CA2315024C Apparatus and method for injecting treatment fluids into an underground formation |
| 02/07/2006 | CA2211085C Multilateral sealing |
| 02/02/2006 | WO2006012186A1 Drilling systems and methods utilizing independently deployable multiple tubular strings |
| 02/02/2006 | WO2006012131A2 Drill pipe assembly |
| 02/02/2006 | US20060022840 Communication system for down hole use |
| 02/02/2006 | US20060022786 Armored flat cable signalling and instrument power acquisition |
| 02/02/2006 | US20060021799 Biased Insert for Installing Data Transmission Components in Downhole Drilling Pipe |
| 02/02/2006 | US20060021755 Underbalanced marine drilling riser |
| 02/02/2006 | US20060021560 Tail fairing designed with features for fast installation and/or for suppression of vortices addition between fairings, apparatus incorporating such fairings, methods of making and using such fairings and apparatus, and methods of installing such fairings |
| 02/01/2006 | EP1045958A4 A drill pipe and method of forming and reconditioning a drill pipe |
| 02/01/2006 | EP1034355B1 Tool cooling system |
| 02/01/2006 | CN2755268Y Harmless oil pipe anchor for oil leakage |
| 02/01/2006 | CN2755266Y Screw connecting drill rod |
| 02/01/2006 | CN1727633A Drill pipe of the center emplacement type jumbolter and construction method |
| 02/01/2006 | CN1727510A Steel product for oil country tubular good |
| 02/01/2006 | CN1239808C Electroreleasing device |
| 01/31/2006 | US6992554 Data transmission element for downhole drilling components |
| 01/31/2006 | US6991267 Assembly of hollow torque transmitting sucker rods and sealing nipple with improved seal and fluid flow |
| 01/31/2006 | US6991045 Forming openings in a hydrocarbon containing formation using magnetic tracking |
| 01/31/2006 | US6991038 Method for dimensioning a riser element with integrated auxiliary lines |
| 01/31/2006 | US6991036 Thermal processing of a relatively permeable formation |
| 01/31/2006 | US6991035 Drilling jar for use in a downhole network |
| 01/31/2006 | US6990719 Connection |
| 01/27/2006 | CA2513998A1 Armoured flat cable signalling and instrument power acquisition |
| 01/26/2006 | US20060016623 One trip well drilling to total depth |
| 01/26/2006 | US20060016590 Downhole Component with A Pressure Equalization Passageway |
| 01/26/2006 | US20060016502 Umbilical filling |
| 01/25/2006 | EP1618283A1 Well string assembly |
| 01/25/2006 | EP1248893B1 Integrated transmitter surveying while boring (swb) entrenching powering device for the continuation of a guided bore hole |
| 01/25/2006 | CN2754072Y Load sensor wiring device for oil-pumping unit ergogram measurement |
| 01/25/2006 | CN2753880Y Oil pumping motor-pumped well eccentric pipe anchoring test tubular column |
| 01/25/2006 | CN2753867Y Wear-resistant sucker rod hopping |
| 01/24/2006 | US6988555 Method for installing a water well pump |
| 01/24/2006 | CA2383894C Threaded joint for oil well pipe |