| 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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| 07/04/2012 | CN202300251U 一种冲扣钳支架 One kind of red buckle clamp bracket |
| 07/04/2012 | CN202300250U 动力大钳液压双向侧矩及系统补油装置 Bi-lateral hydraulic power tong torque up oil installations and systems |
| 07/04/2012 | CN202300249U 具有自锁双开式门栓安全机构的动力大钳 Power tongs with self-locking double open-bolt safety agency |
| 07/04/2012 | CN202300248U 一种钻杆机械排放系统 One kind of drill pipe mechanical exhaust system |
| 07/04/2012 | CN202300247U 翻转钻杆盒 Flip drill box |
| 07/04/2012 | CN202300246U 可升降式拖挂猫道 Can lift trailer Catwalk |
| 07/04/2012 | CN202300245U 一种可调节坡板架 An adjustable slope plate rack |
| 07/04/2012 | CN202300244U 一种拉管钳 One kind trombone pliers |
| 07/04/2012 | CN202300243U 折叠式钻杆推移器 Folding drill goes devices |
| 07/04/2012 | CN202300242U 孔口液压夹持助力装置 Orifice hydraulic clamping power devices |
| 07/04/2012 | CN202300241U 加力装置 Urging means |
| 07/04/2012 | CN202300240U 单导轨双液压缸高精度送钻系统 Single rail double-precision hydraulic cylinders deliver drilling systems |
| 07/04/2012 | CN202300239U 一种吸附式吊卡销 An adsorption-type elevator pin |
| 07/04/2012 | CN202300238U 一种抽油机光杆防脱卡 One kind of anti-rod pumping unit off card |
| 07/04/2012 | CN202300237U 一种棘齿吊卡销子 One kind of ratchet pin Elevators |
| 07/04/2012 | CN202300236U 抽油机悬绳器 Pumping hanging rope |
| 07/04/2012 | CN202300235U 一种坡板防卡装置 One kind of slope plate anti-card device |
| 07/04/2012 | CN202300192U Underground drilling rig and hydraulic power head device thereof |
| 07/04/2012 | CN102536141A Automatic drill-rod-replacing control system for rock-drilling drill carriage |
| 07/04/2012 | CN102536140A Automatic discharge mechanical movement mechanism for two-layer bench drill column three-joint unit of drilling machine and discharge method for automatic discharge mechanical movement mechanism |
| 07/04/2012 | CN102536139A Movement mechanism for conveying drill columns for drilling platform |
| 07/04/2012 | CN102536138A Hydraulic chuck of drilling machine |
| 07/04/2012 | CN102536137A Combined-type hydraulic chuck for tunnel drilling rig |
| 07/04/2012 | CN102536136A Steel wire fixing device of intelligent bailing type oil pumping unit |
| 07/04/2012 | CN102536135A Bellows type adjustable casing |
| 07/04/2012 | CN102536111A High-torque drilling machine with power-shifting gearbox |
| 07/04/2012 | CN102535445A Molding device and molding method for long spiral extruding rock-entering cast-in-place pile |
| 07/04/2012 | CN101781973B Clamping device of injection head of continuous string coiled tubing |
| 07/03/2012 | US8210279 Methods and systems for tripping pipe |
| 07/03/2012 | US8210269 Arrangements, systems, and methods for pipe handling |
| 07/03/2012 | US8210268 Top drive system |
| 07/03/2012 | US8210267 Downhole pressure chamber and method of making same |
| 06/28/2012 | WO2012087465A1 Connection assembly for through tubing conveyed submersible pumps |
| 06/28/2012 | WO2012087119A1 Drilling installation and offshore drilling vessel with drilling installation |
| 06/28/2012 | WO2012083364A1 Drilling orientation apparatus |
| 06/28/2012 | US20120160518 Apparatus for Applying an Axial Force to Well Pipe Slips |
| 06/28/2012 | US20120160517 Wellbore tubular running devices, systems and methods |
| 06/28/2012 | US20120160516 System and Method for Positioning a Bottom Hole Assembly in a Horizontal Well |
| 06/28/2012 | US20120160513 Tubing hanger shuttle valve |
| 06/28/2012 | US20120160474 Apparatus for Fluidically Coupling Tubular Sections on a Well Platform |
| 06/28/2012 | DE102010013846A1 Verfahren und Vorrichtung zum Zuführen und Abführen von Bohrgestängen zu einer Bohrvorrichtung Method and device for supplying and removing drill pipes in a drilling device |
| 06/28/2012 | CA2822242A1 Connection assembly for through tubing conveyed submersible pumps |
| 06/27/2012 | EP2467560A1 Gripper for petroleum pipes |
| 06/27/2012 | CN202284454U 液压安全卡瓦 Hydraulic safety kava |
| 06/27/2012 | CN102518403A General drill rod clamping device used for coal mine drilling machine |
| 06/27/2012 | CN102518402A General chuck for coal drilling machine |
| 06/27/2012 | CN102518396A Automatic drilling machine |
| 06/27/2012 | CN102518394A Hydraulic driving two-stage feeding dovetail groove guiding asymmetrically-arranged anchor drilling machine |
| 06/27/2012 | CN102515049A Rotary drilling machine, control method for descending of main winch of rotary drilling machine and main winch descending control system of rotary drilling machine |
| 06/27/2012 | CN101775965B Open-top composite clamp holder |
| 06/27/2012 | CN101575940B Drilling operation method by utilizing dual drill drilling system |
| 06/27/2012 | CN101310092B Method and device at rock drilling |
| 06/26/2012 | US8205679 Method for efficient deployment of intelligent completions |
| 06/26/2012 | US8205670 Metal annulus seal |
| 06/26/2012 | CA2495918C Method and a device for automatic control of coil pipe operations |
| 06/26/2012 | CA2399786C Improved tubular running tool |
| 06/21/2012 | WO2012082620A2 Improved alignment of downhole strings |
| 06/21/2012 | WO2012048180A3 Electrically driven coiled tubing injector assembly |
| 06/21/2012 | US20120152530 Electronic control system for a tubular handling tool |
| 06/21/2012 | US20120152521 Disconnect assembly for cylindrical members |
| 06/21/2012 | CA2819155A1 Electronic control system for a tubular handling tool |
| 06/20/2012 | EP2464812A2 A transportation cradle for tubular goods |
| 06/20/2012 | CN202280434U 一种带有定位功能的固定钳支架装置 A device with a fixed caliper bracket positioning function |
| 06/20/2012 | CN202280433U 螺杆泵井光杆提升吊卡 Well screw rod upgrade Elevators |
| 06/20/2012 | CA2724587A1 Chuck apparatus and method |
| 06/19/2012 | US8201808 Multi-sized wood and metal stake pulling device |
| 06/19/2012 | CA2610005C Well servicing support structure |
| 06/14/2012 | WO2012078268A1 Enclosed coiled tubing boat and methods |
| 06/14/2012 | WO2012076874A2 Apparatus for handling tubular members |
| 06/14/2012 | WO2012075585A1 Tubing injector with built in redundancy |
| 06/14/2012 | WO2011126377A3 System and method for feeding a coiled tubing in or out of a well |
| 06/14/2012 | US20120145409 High Collapse Resistance Solid Expandable Technology |
| 06/14/2012 | US20120145408 Apparatus and method for facilitating the connection of tubulars using a top drive |
| 06/14/2012 | CA2822866A1 Enclosed coiled tubing boat and methods |
| 06/13/2012 | EP2463475A1 Apparatus for positioning and protecting control lines being coupled to a pipe string on a rig |
| 06/13/2012 | EP2462369A1 Tubular handling system and method for handling tubulars |
| 06/13/2012 | EP2462047A1 Apparatus and method for use in handling a load |
| 06/13/2012 | CN202273614U 井架油管扶正装置 Derrick tubing righting device |
| 06/13/2012 | CN202273613U 钻机拧卸钻杆的液压冲击式拧管机 Hydraulic drill rig breakout impact screwed pipe machine |
| 06/13/2012 | CN202273612U 一种抽油杆倒扣器 Flip is one kind of sucker |
| 06/13/2012 | CN202273611U 机械式防顶卡瓦 Mechanical anti-slip top |
| 06/13/2012 | CN202273610U 一种轻便液动卡瓦 A portable hydraulic slips |
| 06/13/2012 | CN202273609U 一种轻便气动卡瓦 A lightweight pneumatic slips |
| 06/13/2012 | CN202273608U 扳扣式磁卡销 Button magnetic pull pin |
| 06/13/2012 | CN102498259A Downhole intervention |
| 06/13/2012 | CN102498258A Production riser |
| 06/13/2012 | CN101776096B Oil distribution disc of power head |
| 06/12/2012 | US8196666 Flexible riser and method for pulling-in and hanging up thereof |
| 06/12/2012 | US8196649 Thru diverter wellhead with direct connecting downhole control |
| 06/12/2012 | CA2661394C Oilfield tubular torque wrench |
| 06/08/2012 | CA2724860A1 Tubing injector with built in redundancy |
| 06/07/2012 | WO2012074976A2 Latching rod box |
| 06/07/2012 | WO2012074928A2 Bottom preventer for use in a drilling system |
| 06/07/2012 | WO2012074409A1 Device for handling hoses of a working well for a drilling rig |
| 06/07/2012 | WO2012071666A1 Gripper block for production tubing with integral hydraulic conduits |
| 06/07/2012 | US20120138314 Method and system for radially expanding a tubular element |
| 06/07/2012 | US20120137834 Jaw assembly for gripping pipes |
| 06/07/2012 | US20120137833 Reversible Rod Tong Assembly |
| 06/07/2012 | CA2819639A1 Bottom preventer for use in a drilling system |
| 06/07/2012 | CA2768312A1 Reversible rod tong assembly |