| 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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| 04/19/2012 | WO2012001406A4 A method of installing a buoy and apparatus for tensioning a buoy to an anchoring location |
| 04/19/2012 | US20120093614 Pipe handling system and method |
| 04/19/2012 | US20120090853 Drill pipe connector |
| 04/19/2012 | US20120090829 Free mandrel, system, protected casing |
| 04/19/2012 | US20120090828 Manipulatable spider components adapted for cooperation with a vertically reciprocating control line guide |
| 04/19/2012 | CA2813023A1 Tubing grab assembly |
| 04/18/2012 | EP2440740A2 Drill rod handler |
| 04/18/2012 | CN202194644U 一钳双控装置 A clamp dual-control device |
| 04/18/2012 | CN202194598U 用于光电编码器连接装置的密封罩 Photoelectric encoder connection device for sealing cap |
| 04/18/2012 | CN202194597U 油井套管钳扭矩监测自动控制系统 Torque monitoring well casing tongs automatic control system |
| 04/18/2012 | CN202194596U 油井套管钳扭矩仪 Well casing tongs torque meter |
| 04/18/2012 | CN202194595U Support device for long workpiece |
| 04/18/2012 | CN202194594U 快装封井器吊卡 Elevators quick blowout preventer |
| 04/18/2012 | CN202194593U 用于石油钻井的游车大钩铸件 For oil drilling amusement Hook castings |
| 04/18/2012 | CN202194592U 毛辫子可调式悬挂器 Adjustable hanger hair braids |
| 04/18/2012 | CN202194591U Lift sub connected with drill collar in oil exploitation |
| 04/18/2012 | CN202194590U 井架式机电一体化修井机 Mechatronics workover rig derrick type |
| 04/18/2012 | CN202194589U 辅助式橇装多功能快装不压井作业机 Assisted skid-mounted multifunction quick snubbing unit |
| 04/18/2012 | CN102418483A Ratchet type combined lifter |
| 04/18/2012 | CN102418475A 一种具有换钎装置的伸缩臂露天凿岩钻车 Soldering apparatus having a change telescopic outdoor Rock Drill |
| 04/17/2012 | US8157495 Apparatus and method for a pipe handler |
| 04/17/2012 | US8157021 Chisel adapter |
| 04/17/2012 | US8157018 Torque wrench system having multiple torque stations |
| 04/17/2012 | US8157006 Telescopic fracturing isolation sleeve |
| 04/17/2012 | US8157004 Pipe handling apparatus |
| 04/17/2012 | CA2545585C Clamping well casings |
| 04/17/2012 | CA2519111C Distributed control system |
| 04/17/2012 | CA2428554C Power tong frames |
| 04/12/2012 | WO2012048180A2 Electrically driven coiled tubing injector assembly |
| 04/12/2012 | WO2012015641A3 Installation of tubular strings with lines secured thereto in subterranean wells |
| 04/12/2012 | WO2011148288A3 System and method for straightening tubing |
| 04/12/2012 | WO2011085031A3 Rotating continuous flow sub |
| 04/12/2012 | US20120085553 Electrically driven coiled tubing injector assembly |
| 04/12/2012 | US20120085552 Wellhead Rotating Breech Lock |
| 04/12/2012 | US20120085551 Manipulatable spider components adapted for cooperation with a vertically reciprocating control line guide |
| 04/12/2012 | US20120085550 Method and apparatus for stabbing tubular goods |
| 04/12/2012 | US20120085549 Pump Down Swage Expansion Method |
| 04/12/2012 | US20120085531 Cable Monitoring in Coiled Tubing |
| 04/12/2012 | CA2813990A1 Electrically driven coiled tubing injector assembly |
| 04/11/2012 | EP2438263A2 Device and method for handling rod-shaped elements |
| 04/11/2012 | EP2438262A2 Pipe stand transfer systems and methods |
| 04/11/2012 | EP2129863B1 Method and apparatus for forming tubular connections |
| 04/11/2012 | CN202187732U Wire rope pressurization lifting device and its drilling casing driller |
| 04/11/2012 | CN202187731U 抽油机井碰校装置 Correction means pumping wells touch |
| 04/11/2012 | CN202187723U 一种新型钻机升降式套管台 A new rig jack-sleeve Taiwan |
| 04/11/2012 | CN202187713U 一种轮式通井机 One kind of wheeled hoist |
| 04/11/2012 | CN102414392A 可变力/可变频率的声波钻头 Variable force / variable frequency sound waves drill |
| 04/11/2012 | CN102409988A 油管气动背钳 Pneumatic tubing clamp back |
| 04/11/2012 | CN102409987A 双向气动油管背钳 Two-way pneumatic tubing clamp back |
| 04/11/2012 | CN102409986A 自动平衡式铁钻工 Autobalance iron roughneck |
| 04/10/2012 | US8151909 Modular top drive lubrication system and methods |
| 04/10/2012 | US8151903 Rotary blasthole drilling rig flexible jaw pipe positioner |
| 04/10/2012 | US8151892 Wellhead conversion system and method |
| 04/10/2012 | CA2658711C Apparatus and method for use in suspending loads in wellbore operations |
| 04/10/2012 | CA2562351C A tension lift frame used as a jacking frame |
| 04/05/2012 | WO2011071757A3 Multi-function multi- hole drilling rig |
| 04/05/2012 | US20120080201 Double swivel apparatus and method |
| 04/05/2012 | US20120080200 Connector seal |
| 04/05/2012 | US20120080182 Fill Up and Circulating Tool with Well Control Feature |
| 04/05/2012 | US20120080181 Method and apparatus for connecting tubulars using a top drive |
| 04/05/2012 | US20120080180 System, Method and Apparatus for Conducting Earth Borehole Operations |
| 04/05/2012 | DE102011053079A1 Korrosionsbeständige Steigrohrspanner und Verfahren für deren Herstellung Corrosion-resistant riser tensioner and methods for their preparation |
| 04/04/2012 | CN202181865U Continuous oil pipe heave compensation device |
| 04/04/2012 | CN202181864U 一种液压钳偏离装置 A hydraulic clamp biasing means |
| 04/04/2012 | CN202181863U 石油钻井平台液压升降送管机 Hydraulic lift oil rig sent pipe machine |
| 04/04/2012 | CN202181862U 吊装抽油机光杆旋转器专用工具 Lifting pumping rod rotator special tools |
| 04/04/2012 | CN202181854U 微型折叠式自动钻井机 Miniature folding automatic drilling machine |
| 04/04/2012 | CN102400657A Leaking stoppage downward putting device for oil well with oil leakage |
| 04/04/2012 | CN102400641A Floating device of drilling machine |
| 04/03/2012 | US8150226 Method and apparatus for manufacturing an optical cable and cable so manufactured |
| 04/03/2012 | US8146971 Grapple attachment for use with drill pipes |
| 04/03/2012 | US8146680 Anti-stall tool for downhole drilling assemblies |
| 04/03/2012 | US8146671 Shoulder-type elevator and method of use |
| 04/03/2012 | US8146663 Seal configuration for top drive swivel apparatus and method |
| 04/03/2012 | CA2643310C Drilling device and drilling method |
| 04/03/2012 | CA2586317C Torque sub for use with top drive |
| 03/29/2012 | WO2012040469A2 Apparatus and methods for limiting movement of gripping members |
| 03/29/2012 | WO2012040419A2 Pressure balanced drilling system and method using the same |
| 03/29/2012 | WO2012039896A1 Coiled tubing injector with limited slip chain |
| 03/29/2012 | WO2012012024A3 Outer casing string and method of installing same |
| 03/29/2012 | US20120073833 Coiled tubing injector with limited slip chains |
| 03/29/2012 | US20120073832 Multi-purpose fill and circulate well tool |
| 03/29/2012 | US20120073831 Mud saver mat for rig floors and other areas |
| 03/29/2012 | CA2812396A1 Apparatus and methods for limiting movement of gripping members |
| 03/29/2012 | CA2812220A1 Coiled tubing injector with limited slip chain |
| 03/28/2012 | EP2434087A2 Adaptor flange for rotary control device |
| 03/28/2012 | EP2432721A1 Transporting and installing flexible pipe |
| 03/28/2012 | EP2235315B1 Top drive system |
| 03/28/2012 | CN202176314U 一种多功能洗井车 A multifunctional washing cars |
| 03/28/2012 | CN202176290U 套管接箍预紧机械手 Casing collar tightening robot |
| 03/28/2012 | CN202176289U 一种液压钳升降机构 A hydraulic clamp lifting mechanism |
| 03/28/2012 | CN202176288U 一种扭矩改变可见的扭矩控制仪 A torque change visible torque control device |
| 03/28/2012 | CN202176287U 新型动力大钳移送装置 New power tongs transfer device |
| 03/28/2012 | CN202176286U 绳卡装置 Shengka device |
| 03/28/2012 | CN202176285U 一种链型光杆卡紧装置 One chain-type optical lever clamping device |
| 03/28/2012 | CN202176284U 磁力安全吊卡销装置 Magnetic safety pin means Elevators |
| 03/28/2012 | CN202176283U 一种新型光杆卡子 A new rod clamp |
| 03/28/2012 | CN202176282U 油田钻井用双保险旋转吊钩 Oil drilling rotary hook with double insurance |
| 03/28/2012 | CN202176281U 一种抽油杆提篮 One kind of sucker basket |
| 03/28/2012 | CN102392611A Threaded drill pipe without bringing out soil and pilling method without bringing out soil for simultaneously forming thread and smooth rod |