| Patents for E21B 19 - Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables (17,198) |
|---|
| 05/11/2011 | EP2318636A1 Precision torque tool |
| 05/11/2011 | EP2232000B1 A tubulars storage device |
| 05/11/2011 | EP1825186B1 A pipe joint lubrication device |
| 05/11/2011 | CN201826790U Core sampler |
| 05/11/2011 | CN201826783U Ground operation vehicle for continuous pipes |
| 05/11/2011 | CN201826782U Four-bar linkage telescopic mechanism of pipe-column clamp for oilfield drilling |
| 05/11/2011 | CN201826781U Balancing device |
| 05/11/2011 | CN201826780U Drainage drilling machine provided with drill rod detaching device |
| 05/11/2011 | CN201826779U Special hydraulic lifting device for workover operation tube rod |
| 05/11/2011 | CN201826778U Continuous sucker rod single-disc welding vehicle |
| 05/11/2011 | CN201826777U Opening-and-closing controllable hydraulic rubber sleeve type chuck |
| 05/11/2011 | CN201826776U Drill advancing mechanism in three-circular-arc equidistant profile connection |
| 05/11/2011 | CN201826775U Well mouth power hanging device for drilling rig |
| 05/11/2011 | CN201826774U Double-roller suction type workover rig |
| 05/11/2011 | CN102052059A Dual-cylinder double-spring double-anchor hydraulic chuck |
| 05/10/2011 | US7938178 Distributed temperature sensing in deep water subsea tree completions |
| 05/05/2011 | WO2011053149A1 Elevator connector device |
| 05/05/2011 | WO2011011574A3 Use of a spoolable compliant guide and coiled tubing to clean up a well |
| 05/05/2011 | WO2011008391A3 Lift wash-through facility |
| 05/05/2011 | US20110103922 Pipe stabilizer for pipe section guide system |
| 05/05/2011 | US20110100646 Downhole Running Tool and Method |
| 05/05/2011 | US20110100643 Downhole sub with hydraulically actuable sleeve valve |
| 05/05/2011 | US20110100621 Tricam axial extension to provide gripping tool with improved operational range and capacity |
| 05/04/2011 | EP2315905A1 Device for mounting a flexible line on structure, and related equipment and method |
| 05/04/2011 | CN201818254U Guide device for trenchless pipe-paving drilling machine |
| 05/04/2011 | CN201818253U Pipe column tong for oilfield drilling |
| 05/04/2011 | CN201818252U Circular arc surface and circular arc tooth synthesizing dental plate |
| 05/04/2011 | CN201818251U Drilling pipe automatic delivery device directly driven by oil cylinder |
| 05/04/2011 | CN201818250U Mini-type leading sheave mechanism of rotary drilling rig |
| 05/04/2011 | CN1944944B Thread screw on and-off machine for sleeve oil pipe |
| 05/04/2011 | CN102041967A Recoverable track type deflection guider |
| 05/03/2011 | US7934548 Spooled device retaining system |
| 05/03/2011 | US7934545 Rotating control head leak detection systems |
| 05/03/2011 | CA2611771C Power tong device |
| 04/28/2011 | WO2011049982A2 Method and apparatus to position and protect control lines being coupled to a pipe string on a rig |
| 04/28/2011 | WO2011049467A1 Tool guide device for a drill floor |
| 04/28/2011 | WO2011008835A3 Downhole intervention |
| 04/28/2011 | WO2011008834A3 Production riser |
| 04/28/2011 | US20110094802 Slip device for suspending a drill or casing string in a drill floor |
| 04/28/2011 | US20110094731 Subsea grease system and method of operating said system |
| 04/28/2011 | US20110094430 Docking and Drilling Stations for Running Self-Standing Risers and Conducting Drilling, Production and Storage Operations |
| 04/28/2011 | US20110094346 Sucker Rod Coupling Extractor |
| 04/28/2011 | US20110094345 Sucker Rod Coupling Extractor |
| 04/28/2011 | CA2778430A1 Tool guide device for a drill floor |
| 04/27/2011 | EP2314827A2 Apparatus and method for facilitating connecting and disconnecting members |
| 04/27/2011 | EP2314826A1 Gripping device and jaw assembly for gripping a wellbore tubular |
| 04/27/2011 | EP2313601A1 Grip extension linkage to provide gripping tool with improved operational range, and method of use of the same |
| 04/27/2011 | EP2313600A1 Tricam axial extension to provide gripping tool with improved operational range and capacity |
| 04/27/2011 | CN201810296U Array type cluster well group workover operation device |
| 04/27/2011 | CN201810236U Button punching clamp of pipe column clamp used for oil field drilling |
| 04/27/2011 | CN201810235U Stroke control device for tubular column clamp of oilfield drilling |
| 04/27/2011 | CN201810234U Press device of square clamp |
| 04/27/2011 | CN201810233U High-strength pumping rod basket |
| 04/27/2011 | CN201810232U Beam hanger of vertical oil pumping unit |
| 04/27/2011 | CN201810231U Safety ejecter with pressing screwed plug |
| 04/27/2011 | CN201810230U Joint of adhesive tape of special steel wire rope for oil pumping unit |
| 04/27/2011 | CN201810229U Engineering truck for continuous sucker rod suspension operation equipment |
| 04/27/2011 | CN102037266A Pipe gripping assembly |
| 04/27/2011 | CN102037207A Grip head for an earth boring unit |
| 04/27/2011 | CN102031939A Hydraulic pipe screwing machine for screwing and unscrewing outer flat drill pipe and being capable of keeping off orifice |
| 04/26/2011 | US7931079 Tubing hanger and method of compensating pressure differential between a tubing hanger and an external well volume |
| 04/26/2011 | US7931077 Top drive drilling apparatus |
| 04/26/2011 | US7931076 Small footprint drilling rig |
| 04/26/2011 | CA2609027C Drilling rig placed on the sea bed and equipped for drilling of oil and gas wells |
| 04/21/2011 | WO2010141231A4 Pipe stand transfer systems and methods |
| 04/21/2011 | US20110091304 Cartridge tubular handling system |
| 04/20/2011 | EP2312115A2 Improved tubular running tool |
| 04/20/2011 | EP2312114A1 Coupling device between an assembly of tubular strings and drill strings and the means for rotating of said strings |
| 04/20/2011 | EP2310625A1 Work string controller |
| 04/20/2011 | EP2310617A1 Drill bit magazine, drill bit holder, and method for changing drill bit in rock drilling unit |
| 04/20/2011 | EP2310616A1 Rock-drilling unit, drill bit changer, and method for changing drill bit |
| 04/20/2011 | EP2310615A1 Draw-works for the maneuvering of drilling devices |
| 04/20/2011 | CN201802329U Underground hydraulic back-off no-load starting expansion piece |
| 04/20/2011 | CN201802328U Hydraulic safety control system for hydraulic power tongs |
| 04/20/2011 | CN201802327U Rig propulsion mechanism adopting moulding surface of tooth profile of internal gear with swing movable teeth for connection |
| 04/20/2011 | CN102027187A Wireline drilling system and method |
| 04/20/2011 | CN102022106A Drill stem connector automatic screwing control device and method |
| 04/20/2011 | CN102022090A Nitrogen spring type drilling machine hydraulic chuck |
| 04/20/2011 | CN102022089A Array type cluster well group workover operation device and operation method thereof |
| 04/19/2011 | US7926786 Post puller |
| 04/19/2011 | US7926578 Liner drilling system and method of liner drilling with retrievable bottom hole assembly |
| 04/19/2011 | US7926577 Methods and apparatus for supporting tubulars |
| 04/19/2011 | US7926576 Coiled tubing rig |
| 04/19/2011 | US7926560 Solid rubber packer for a rotating control device |
| 04/19/2011 | CA2634533C Top drive |
| 04/19/2011 | CA2512570C Casing feeder |
| 04/14/2011 | WO2011044028A2 Oilfield operation using a drill string |
| 04/14/2011 | WO2011043953A2 Multi-stage pressure equalization valve assembly of subterranean valves |
| 04/13/2011 | EP2307661A1 Tubular grip interlock system |
| 04/13/2011 | CN201794535U T-shaped safety door |
| 04/13/2011 | CN201794534U Vice buttering mechanism |
| 04/13/2011 | CN201794533U Slip for square drill rod of drilling machine |
| 04/13/2011 | CN201794532U Anti-torsion air operated slip for drill collar casing |
| 04/13/2011 | CN201794531U Lifting device for power head of drilling machine |
| 04/13/2011 | CN201794530U Clamping holder used for trenchless pipe laying big-tonnage drilling machine |
| 04/13/2011 | CN201794529U Multi-purpose hydraulic workover rig |
| 04/13/2011 | CN201794528U Spinner assembly for iron roughneck |
| 04/13/2011 | CN201794525U Sucker rod trip operating device under pressure |
| 04/13/2011 | CN201794516U Light-weight removable 90-ton workover rig in sea |
| 04/13/2011 | CN102016225A Drill rod spinner device |