| 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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| 07/24/2013 | CN203080902U Telescopic type racking platform pedal railing |
| 07/24/2013 | CN103221630A Two speed direct drive drawworks |
| 07/24/2013 | CN103221629A Remote operation of a rotating control device bearing clamp |
| 07/24/2013 | CN103216200A Multifunctional fixture for drilling rigs |
| 07/24/2013 | CN103216199A Automatic hydraulic slip |
| 07/24/2013 | CN103216198A Lift sub anti-drop method used for oil drilling |
| 07/24/2013 | CN102016222B Spring-loaded rod handling device |
| 07/23/2013 | US8490718 Portable pipe storage device |
| 07/23/2013 | CA2712526C Pipe-handling apparatus and methods |
| 07/23/2013 | CA2537511C Mobile snubbing system |
| 07/18/2013 | WO2013106374A1 Apparatus and methods utilizing progressive cavity motors and pumps with independent stages |
| 07/18/2013 | WO2013106011A2 Downhole oscillator |
| 07/18/2013 | WO2013104233A1 Wind-directly-driven oil pumping machine |
| 07/18/2013 | WO2012166931A3 Method of incorporating remote communication with oilfield tubular handling apparatus |
| 07/18/2013 | CA2861006A1 Wind-directly-driven oil pumping machine |
| 07/18/2013 | CA2837938A1 Downhole oscillator |
| 07/17/2013 | EP2614214A2 Electrically driven coiled tubing injector assembly |
| 07/17/2013 | EP2614213A1 Method for automatic handling of drilling rods and tubular wellbore casing elements, excavation equipment, and associated computer program. |
| 07/17/2013 | CN203070038U Electric workover machine control system |
| 07/17/2013 | CN203066909U Clamping and unscrewing device for iron roughneck |
| 07/17/2013 | CN203066908U Assembling mechanism of raise boring machine grabbing rod mechanical arm |
| 07/17/2013 | CN203066907U Iron roughneck |
| 07/17/2013 | CN203066906U Spinner device for iron roughneck |
| 07/17/2013 | CN203066905U Slewing and translating extension mechanism of iron roughneck |
| 07/17/2013 | CN203066904U Rapid assemble-and-disassemble boring rod set of raise boring machine |
| 07/17/2013 | CN203066903U Drill rod clamping device for deep well drilling rig |
| 07/17/2013 | CN203066902U Dismounting device of raise boring machine drilling stem |
| 07/17/2013 | CN203066901U Automatic pipe dividing and taking mechanism |
| 07/17/2013 | CN203066900U Fully-hydraulic automatic drilling tool conveying device of deep well drilling rig |
| 07/17/2013 | CN203066899U Steel wire rope elasticity limiting device |
| 07/17/2013 | CN203066898U Double-wedge steel rope clamping device |
| 07/17/2013 | CN203066897U Oil cylinder type drill rod lifting tower rack for drilling machine |
| 07/17/2013 | CN203066876U Sliding frame and power device and rotary drilling rig |
| 07/17/2013 | CN203066875U Detachable anti-skidding work walking board for deep well drilling rig |
| 07/17/2013 | CN103210174A A seafastening apparatus for a tensioner assembly |
| 07/17/2013 | CN103206177A Method for installing underwater wellhead cap without occupying wellhead and hoisting apparatus for method |
| 07/17/2013 | CN102305586B Visualization system of oil-water well operating under pressure |
| 07/17/2013 | CN102121373B Lifting system of hollow traveling block drill |
| 07/17/2013 | CN101636552B Tubular handling device |
| 07/17/2013 | CN101611215B Top drive apparatus and method for removing device connecting with top drive apparatus |
| 07/17/2013 | CN101044293B Modular drill system requiring limited field assembly |
| 07/16/2013 | US8485577 Gripping for lifting material web rolls, particularly paper-and paperboard rolls |
| 07/16/2013 | US8485269 Control line running system |
| 07/16/2013 | US8485250 Sealed well cellar |
| 07/16/2013 | US8485067 Tubular joint detection system |
| 07/16/2013 | CA2768312C Reversible rod tong assembly |
| 07/16/2013 | CA2724796C Diverting tool |
| 07/11/2013 | WO2013103920A2 Boom mounted coiled tubing guide and method for running coiled tubing |
| 07/11/2013 | WO2013103786A2 Gravel pack inner string adjustment device |
| 07/11/2013 | WO2013019746A3 Method and apparatus for forcing a pipeline into or out of a borehole |
| 07/11/2013 | WO2012092023A3 System and method for positioning a bottom hole assembly in a horizontal well |
| 07/11/2013 | US20130175048 Boom mounted coiled tubing guide and method for running coiled tubing |
| 07/10/2013 | EP2612982A2 Apparatus and method for positioning connection equipment |
| 07/10/2013 | CN203050570U Guide frame follow-up mechanism on high-speed hydraulic drilling rig |
| 07/10/2013 | CN203050569U High-speed hydraulic drilling rig |
| 07/10/2013 | CN203050568U Rapid centering device for mandrel hanger |
| 07/10/2013 | CN203050567U Continuous oil pipe displacement winding device |
| 07/10/2013 | CN203050566U Real-time torque detecting device in casing or tubing work |
| 07/10/2013 | CN203050565U Fully hydraulic drilling tool automatic groove-drilling device |
| 07/10/2013 | CN203050564U Clamp holder |
| 07/10/2013 | CN203050563U Multi-layer polish rod clip without indentation |
| 07/10/2013 | CN203050562U Petroleum pipe line elevator |
| 07/10/2013 | CN203050561U Novel rotary connector |
| 07/10/2013 | CN203050560U Automatic start-stop hoisting ring device |
| 07/10/2013 | CN203048518U Oil cylinder drive rotating mechanism |
| 07/10/2013 | CN203048433U Remote intelligent control system of workover rig |
| 07/10/2013 | CN103195377A General barrel type sucker rod elevator |
| 07/10/2013 | CN103195376A Well-uncontrolled snubbing device |
| 07/10/2013 | CN103195359A Hydraulic power head engineering driller |
| 07/10/2013 | CN102434117B Drill rod assembling and disassembling mechanical arm of myriameter well drill |
| 07/10/2013 | CN102359346B Lunar soil deep drilling sample recycling mechanism |
| 07/09/2013 | US8479828 Wellhead control line deployment |
| 07/09/2013 | US8479827 Disconnect devices for downhole strings |
| 07/09/2013 | US8479824 Power slip assembly for wellhead casing and wellbore tubing |
| 07/09/2013 | US8479807 Well fluid leak detection and response apparatus and method |
| 07/09/2013 | US8479614 Internally retained jaw roller pin |
| 07/05/2013 | CA2854028A1 Fast transportable drilling rig system |
| 07/04/2013 | WO2013102030A1 Downhole tool hydraulic retriever |
| 07/04/2013 | WO2013101601A1 Method and system for wireline intervention in a subsea well from a floating vessel |
| 07/04/2013 | WO2013101434A2 Control line securement method and system |
| 07/04/2013 | WO2013101426A1 Reducing axial wave reflections and identifying sticking in wireline cables |
| 07/04/2013 | WO2013101395A2 Pipe drive sealing system and method |
| 07/04/2013 | WO2013097034A1 Apparatus for retaining rig slips in alignment with a flow control device |
| 07/04/2013 | WO2012177324A3 Shoulder yielding detection during tubular makeup |
| 07/04/2013 | US20130168107 Control line securement method and system |
| 07/04/2013 | US20130168106 Pipe drive sealing system and method |
| 07/04/2013 | US20130168105 Pipe drive sealing system and method |
| 07/04/2013 | US20130168103 Damping sleeve and anchoring method |
| 07/04/2013 | DE102011122610A1 Device for rotating drill pipes for drilling vertical and horizontal holes in ground without platform, has tongs with rotationally movable thin rollers coated internally with elastic material, for rotary movement of drill pipes |
| 07/04/2013 | CA2860838A1 Control line securement method and system |
| 07/04/2013 | CA2798377A1 Apparatus and method for positioning connection equipment on a drilling rig |
| 07/03/2013 | EP2609278A1 Parking and automatic handling equipment of drilling rods and associated drilling machine |
| 07/03/2013 | CN203035133U Strengthening and wedge-caulking structure of opened shell body V-door grooves |
| 07/03/2013 | CN203035132U Hydraulic transmission device used for hydraulic power tongs |
| 07/03/2013 | CN203035131U Novel pipe setback box of drilling machine |
| 07/03/2013 | CN203035130U Light type modularized hydraulic system of core drill |
| 07/03/2013 | CN203035129U 油管吊卡 Tubing Elevators |
| 07/03/2013 | CN203035128U Anti-falling cap |
| 07/03/2013 | CN203035127U Multifunctional beam hanger |
| 07/03/2013 | CN203033697U Electric well repairing machine control system |