| 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) |
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| 01/27/2011 | US20110017473 Slip ring apparatus for a rotary steerable tool |
| 01/27/2011 | US20110017463 Use of a spoolable compliant guide and coiled tubing to clean up a well |
| 01/27/2011 | CA2767769A1 Offshore drilling system |
| 01/26/2011 | EP2278116A2 Flush mounted spider |
| 01/26/2011 | EP1370395B1 Gripping claw for tubular goods |
| 01/26/2011 | CN201723185U Hydraulic clamping device for universal pumping rod |
| 01/26/2011 | CN201723184U Driller propelling mechanism connected by straight line enveloped equidistance triangle profiles |
| 01/26/2011 | CN201723183U Trochoidal profile-connected drill propelling mechanism |
| 01/26/2011 | CN201723182U High-order elliptic profile connection and drilling rig feeding mechanism employing same |
| 01/26/2011 | CN201723181U Safe polished rod clamp |
| 01/26/2011 | CN201723173U Air-permeable elevating device for rotary drilling rig |
| 01/26/2011 | CN201723152U Gripper of horizontal position drilling machine |
| 01/26/2011 | CN101956537A Hydraulic chunk with function of compensatory clamping |
| 01/26/2011 | CN101343986B Automatized shaft mouth operation clamp for petroleum well workover |
| 01/25/2011 | US7874435 Pipeline pig storage rack apparatus |
| 01/25/2011 | US7874378 Vibratory and impact connector for a power tool |
| 01/25/2011 | US7874372 Well access line positioning assembly |
| 01/25/2011 | US7874370 Drill stem connection and method |
| 01/25/2011 | US7874369 Progressive cavity pump (PCP) drive head stuffing box with split seal |
| 01/25/2011 | US7874353 Bearing assembly retaining apparatus and well drilling equipment comprising same |
| 01/25/2011 | US7874352 Apparatus for gripping a tubular on a drilling rig |
| 01/25/2011 | US7874351 Devices and systems for measurement of position of drilling related equipment |
| 01/25/2011 | US7874054 Method for producing tubular component provided with mutually oriented threaded elements |
| 01/25/2011 | CA2578027C A system for assuring engagement of a hydromatic brake on a drilling or well service rig |
| 01/20/2011 | WO2011008835A2 Downhole intervention |
| 01/20/2011 | WO2011008834A2 Production riser |
| 01/20/2011 | WO2011008391A2 Lift wash-through facility |
| 01/20/2011 | US20110011578 Expansion System for Expandable Tubulars |
| 01/20/2011 | US20110011574 Hydrocarbon Recovery Drill String Apparatus, Subterranean Hydrocarbon Recovery Drilling Methods, and Subterranean Hydrocarbon Recovery Methods |
| 01/20/2011 | CA2768168A1 Downhole intervention |
| 01/20/2011 | CA2768165A1 Production riser |
| 01/19/2011 | EP2274546A1 Pipe gripping assembly |
| 01/19/2011 | EP2274499A2 Sonic latch mechanism |
| 01/19/2011 | EP2274496A1 A device for registration of rotational parameters during assembly of a pipe string |
| 01/19/2011 | CN201714322U Continuous oil pipe injection head driving device |
| 01/19/2011 | CN201714321U Cushioning device for shifting cylinder of power tongs |
| 01/19/2011 | CN201714320U Chain type sealing slip |
| 01/19/2011 | CN201714296U Double-roller wheel-type well dredger |
| 01/19/2011 | CN101010483B Method and apparatus for drilling and servicing subterranean wells with rotating coiled tubing |
| 01/18/2011 | CA2634534C Top drive |
| 01/18/2011 | CA2564090C Backup tong with swing arms |
| 01/18/2011 | CA2564084C Power tong with reduced die markings |
| 01/18/2011 | CA2481736C Power tong with sliding jaw |
| 01/13/2011 | WO2011005501A2 Large diameter tubular lifting apparatuses and methods |
| 01/13/2011 | WO2011005111A2 Centring means in a rotary tong |
| 01/13/2011 | WO2011005102A1 Device and method for rotation of torque tong |
| 01/13/2011 | WO2010128119A3 Device and method for handling rod-shaped elements |
| 01/13/2011 | WO2010114968A3 Raise-assist and smart energy system for a pipe handling apparatus |
| 01/13/2011 | WO2010105159A3 Derrickless tubular servicing system and method |
| 01/13/2011 | US20110006150 Method for automatic slip clutch tension on a reel |
| 01/13/2011 | US20110005777 Tool storage assembly |
| 01/13/2011 | US20110005775 Apparatus and methods to protect connections |
| 01/13/2011 | US20110005774 Single trip, tension set, metal-to-metal sealing, internal lockdown tubing hanger |
| 01/13/2011 | US20110005766 Deployment System |
| 01/13/2011 | US20110005743 Mounts for Blowout Preventer Bonnets and Methods of Use |
| 01/13/2011 | US20110005162 Tubulars storage device |
| 01/13/2011 | CA2767551A1 Centring means in a rotary tong |
| 01/13/2011 | CA2767530A1 Device and method for rotation of torque tong |
| 01/13/2011 | CA2766066A1 Large diameter tubular lifting apparatuses and methods |
| 01/12/2011 | EP2273064A1 Procedures and equipment for profiling and jointing of pipes |
| 01/12/2011 | EP2273062A2 Method and apparatus to complete a well having tubing inserted through a valve |
| 01/12/2011 | EP2273061A2 Method and apparatus for gripping tubulars |
| 01/12/2011 | EP2273060A2 Coupling apparatus |
| 01/12/2011 | EP2273059A1 Coupling apparatus |
| 01/12/2011 | EP2273058A2 Apparatus, system and method for communicating while logging with wired drill pipe |
| 01/12/2011 | EP2035650B1 Triple activity drilling ship |
| 01/12/2011 | EP1825096B1 Wellbore tubular handling torque multiplier |
| 01/12/2011 | CN201705248U Continuous pipe injection head control device |
| 01/12/2011 | CN201705247U Spinning wrench used for mounting or dismounting drilling rod and casing |
| 01/12/2011 | CN201705246U Hydraulic tong and safety door interlocking device |
| 01/12/2011 | CN201705245U Automatic tubing block restorer |
| 01/12/2011 | CN201705244U Portable drill pipe pneumatic slip |
| 01/12/2011 | CN201705243U Anti-distortion pneumatic drilling slip |
| 01/12/2011 | CN201705242U Rotary digging drilling machine and construction method conversion device thereof |
| 01/12/2011 | CN201705241U Double-drum well drilling and repairing machine |
| 01/12/2011 | CN201705240U Holding device |
| 01/12/2011 | CN201705206U Drilling machine clamp holder |
| 01/12/2011 | CN101942976A Drill rod joint positioning and controlling method of continuous cycle drilling system |
| 01/12/2011 | CN101942975A Back-up wrench for oil drilling |
| 01/12/2011 | CN101942974A Clamping device of hexagonal drill stem of drilling machine |
| 01/12/2011 | CN101637909B Clamping mechanism |
| 01/12/2011 | CN101054889B Device and method for controlling oil pipe placing and lifting |
| 01/11/2011 | US7866721 Oilfield elevator |
| 01/11/2011 | US7866407 Method for construction of low thermal expansion and low resistance wire for logging applications |
| 01/11/2011 | US7866405 Securement of lines to well sand control screens |
| 01/11/2011 | US7866404 Tubular member connection |
| 01/11/2011 | US7866403 Work string controller |
| 01/11/2011 | CA2588730C Apparatus and method for guiding pipe |
| 01/11/2011 | CA2442379C Automated pipe racking process and apparatus |
| 01/06/2011 | WO2011002602A2 Wellsite equipment replacement system and method for using same |
| 01/06/2011 | WO2011001295A2 Method and apparatus for delivery of a tubular to a drilling apparatus |
| 01/06/2011 | WO2011000039A1 Facilitating subsea intervention |
| 01/06/2011 | WO2010102077A3 System and method of using a saver sub in a drilling system |
| 01/06/2011 | WO2009061978A3 Apparatus for gripping a down hole tubular for use in a drilling machine |
| 01/06/2011 | US20110000683 Deployment of a wireline tool |
| 01/06/2011 | US20110000682 Method and Apparatus for Making Up and Breaking Out Threaded Tubular Connections |
| 01/06/2011 | US20110000681 Radial Spring Latch Apparatus and Methods for Making and Using Same |
| 01/06/2011 | CA2766976A1 Drip mat |
| 01/05/2011 | EP2268888A2 Grip head for an earth boring unit |
| 01/05/2011 | CN201695972U 钻机动力头浮动结构 Drill head floating structures |