| 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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| 02/12/2008 | CA2457307C Hybrid coiled tubing/fluid pumping unit |
| 02/12/2008 | CA2412694C Drill rod holder |
| 02/12/2008 | CA2269393C Power tong and backup tong system |
| 02/07/2008 | WO2008003974A3 Workover riser compensator system |
| 02/07/2008 | WO2007070805A3 Apparatus for gripping a tubular on a drilling rig |
| 02/07/2008 | US20080029276 Downhole tool retrieval and setting system |
| 02/07/2008 | DE102006034890A1 Perpendicular drilling system for deep drilling hole, has drill head guided to drilling mast, and feeding device engaged at drill head and formed as hydraulic-piston-cylinder units whose stroke corresponds to length of drilling rod units |
| 02/06/2008 | CN201016284Y Adjustable holder type back-up tong of top driving drilling rig |
| 02/06/2008 | CN201016283Y Environment-friendly type damping type rat-hole conduit for oil-well rig |
| 02/06/2008 | CN201016282Y Miss-proof pipe elevator |
| 02/06/2008 | CN201016281Y Breaking-proof polish rod clip for pumping unit rope hanger |
| 02/06/2008 | CN201016280Y Single guide rail assembly |
| 02/05/2008 | US7325610 Methods and apparatus for handling and drilling with tubulars or casing |
| 01/31/2008 | WO2008012580A1 Racking module |
| 01/31/2008 | WO2008012482A1 Method and apparatus for erecting a mast |
| 01/31/2008 | US20080023228 Geothermal heat loop installation |
| 01/31/2008 | US20080023227 Coiled tubing and drilling system |
| 01/31/2008 | US20080023195 Hydrodynamic, down-hole anchor |
| 01/31/2008 | US20080023192 Method and device to clamp control lines to tubulars |
| 01/31/2008 | US20080022811 Power tong having cam followers with sliding contact surfaces |
| 01/30/2008 | CN201013875Y Petroleum well drilling vehicle mounted type drilling machine clamp tail cable guide sheave |
| 01/30/2008 | CN201013275Y Top driven drilling tool assembling and disassembling apparatus |
| 01/30/2008 | CN201013274Y Dual spindle extension hydraulic cat-work |
| 01/30/2008 | CN201013273Y Anti-backoff pumping rod co-start device |
| 01/30/2008 | CN201013272Y Power tongs gate |
| 01/30/2008 | CN201013271Y Fully-hydraulic drilling rod bleeder |
| 01/30/2008 | CN201013270Y Slips device with pressing-up down pipe string |
| 01/30/2008 | CN201013269Y Lever-type hydraulic chuck |
| 01/30/2008 | CN201013268Y Novel polish rod square clamp |
| 01/30/2008 | CN201013267Y Lift sub crescent moon handgrip assembly |
| 01/30/2008 | CN201013266Y Special-shaped pipe elevator |
| 01/30/2008 | CN201013265Y Lifting ring fending-rod plug hole inclined pipe elevator |
| 01/30/2008 | CN201013264Y Simple structured combination hook-block |
| 01/30/2008 | CN201013263Y Portable intelligent petroleum oil workover rig |
| 01/30/2008 | CN201013262Y Novel hydraulic energy-accumulation workover rig |
| 01/30/2008 | CN201013261Y Back frame type hydraulic energy-accumulation workover rig |
| 01/30/2008 | CN101113662A Self locking safety pneumatic gripping hook |
| 01/29/2008 | US7322430 Apparatus and method for reducing required torque |
| 01/29/2008 | US7322421 Fiber optic deployment apparatus and method |
| 01/29/2008 | US7322418 Continuous circulation drilling method |
| 01/29/2008 | US7322406 Elevation sensor for a service hose and an apparatus for positioning and stabbing well tubulars |
| 01/29/2008 | CA2533836C Method of ensuring that well tubing was properly stretched |
| 01/29/2008 | CA2390847C Reel for supporting composite coiled tubing |
| 01/29/2008 | CA2334470C Method and system for moving equipment into and through a conduit |
| 01/29/2008 | CA2267508C Apparatus for static underground drilling |
| 01/29/2008 | CA2256298C Tong for well pipe |
| 01/24/2008 | WO2008011199A2 Conductor casing installation by anchor handling/tug/supply vessel |
| 01/24/2008 | US20080018099 Protective compression and tension sleeves for threaded connections for radially expandable tubular members |
| 01/24/2008 | US20080017388 Well string injection system and method |
| 01/24/2008 | US20080017385 Buoyancy element and module |
| 01/24/2008 | US20080017368 Well Operations System |
| 01/23/2008 | EP1881151A1 Drilling unit |
| 01/23/2008 | EP1880974A1 Material handling apparatus |
| 01/23/2008 | EP1880076A1 Pipe handling device and safety mechanism |
| 01/23/2008 | EP1706579B1 Holding wrench for rock drilling machine and rock drilling machine including such a holding wrench |
| 01/23/2008 | EP1502000B1 Height-adjustable pipe pick-up and laydown machine |
| 01/23/2008 | CN201011299Y Auxiliary lever-switching device of horizontal orienting drilling rig |
| 01/23/2008 | CN101109274A Safety-door device of hydraulic pressure tubing tong |
| 01/23/2008 | CN101109273A Back-ups cramping arrangement of hydraulic pressure tubing tong |
| 01/22/2008 | US7320374 Wellbore top drive systems |
| 01/22/2008 | CA2506405C Hydraulic circuit and method for operating a gripping device |
| 01/22/2008 | CA2349988E Polish rod locking clamp |
| 01/17/2008 | US20080011470 Tong Positioning and Alignment Device |
| 01/16/2008 | EP1877644A1 Gripping tool |
| 01/16/2008 | EP0939687B1 Interlocking jaw power tongs |
| 01/16/2008 | CN201007194Y Anti-jack device special for drill plug |
| 01/16/2008 | CN201007183Y Novel oil-well rig compound gearing device |
| 01/15/2008 | US7318387 Water intake riser |
| 01/15/2008 | CA2344034C Drilling machine and method for sinking a well |
| 01/15/2008 | CA2292214C Coiled tubing drilling rig |
| 01/15/2008 | CA2238998C Remotely accessible mobile repair unit for wells |
| 01/10/2008 | WO2008003974A2 Workover riser compensator system |
| 01/10/2008 | WO2007106377A3 Manipulatable spider components adapted for cooperation with a vertically reciprocating control line guide |
| 01/10/2008 | WO2007103035A3 Device to enable rope pulling functionality using a rotational power source |
| 01/10/2008 | US20080006401 Stabbing guide adapted for use with saver sub |
| 01/10/2008 | US20080006400 Arm for moving flexible lines at a wellsite |
| 01/10/2008 | CA2656808A1 Improved workover riser compensator system |
| 01/09/2008 | EP1875035A1 Improved coiled tubing injector head |
| 01/09/2008 | EP1875034A2 Quill saver sub |
| 01/09/2008 | CN201003387Y Elevator rotor device for well repairing |
| 01/09/2008 | CN201003385Y Hydraulic power pliers locking mechanism |
| 01/09/2008 | CN201003384Y Quick drill pipe hoisting device |
| 01/09/2008 | CN201003383Y Hydraulic lifting device for oil well operation under pressure |
| 01/09/2008 | CN201003372Y Modular drilling machine |
| 01/09/2008 | CN100360764C Two-part telescopic tensioner for risers at a floating installation for oil and gas production |
| 01/09/2008 | CN100360763C Telescopic feed beam for rock drill and method of measuring rock drill travel |
| 01/09/2008 | CN100360762C Directional drilling apparatus |
| 01/08/2008 | US7316280 Method for producing earth boreholes |
| 01/08/2008 | US7316276 Side entry apparatus and method |
| 01/08/2008 | US7316269 Enclosed radial wire-line cable conveying method and apparatus |
| 01/08/2008 | CA2522910C Liner hanger |
| 01/08/2008 | CA2503057C Multi-function well servicing vehicle |
| 01/03/2008 | WO2006000919A8 Floating lowering and lifting device |
| 01/03/2008 | US20080001107 Ram bop shear device |
| 01/03/2008 | US20080000645 Radial Expansion System |
| 01/03/2008 | US20080000644 System and method for steam-assisted gravity drainage (SAGD)-based heavy oil well production |
| 01/03/2008 | US20080000642 Wireline slip hanging bypass assembly and method |
| 01/03/2008 | DE102006039096B3 Machine for screwing pipes together has counter-clamp attached to plate pivoted on pendular supports whose opposite ends are pivoted on swing arms connected by tube attached to frame and whose opposite ends are attached to spring retainers |
| 01/02/2008 | EP1873115A2 Material storage rackfor an aerial lift with a work platform |
| 01/02/2008 | EP1871973A1 Flexible riser and method for pulling-in and hanging up thereof |