| 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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| 07/25/2012 | CN102606089A Hydraulic clamp holder |
| 07/25/2012 | CN102606088A Gear-rack displacement multiplication type drill string heave compensator for floating drilling platform |
| 07/25/2012 | CN102606087A Gear-rack drill string heave compensator for floating drilling platform |
| 07/25/2012 | CN102606071A Multifunctional road pile drilling machine |
| 07/25/2012 | CN101929314B Drilling machine advancing mechanism for connecting internal gear tooth profiles of swing movable teeth |
| 07/24/2012 | US8225876 Continuous communications conduit apparatus and method |
| 07/24/2012 | US8225875 Method and apparatus to position and protect control lines being coupled to a pipe string on a rig |
| 07/24/2012 | US8225865 System and method for aligning a component of a borehole assembly |
| 07/24/2012 | US8225858 Lubricating washpipe system and method |
| 07/19/2012 | WO2012051530A3 Tubing grab assembly |
| 07/19/2012 | WO2012040469A3 Apparatus and methods for limiting movement of gripping members |
| 07/19/2012 | WO2011084735A3 Active heave compensation with active damping control |
| 07/19/2012 | US20120181084 System and Methods for Continuous and Near Continuous Drilling |
| 07/19/2012 | US20120181047 Collar Assembly for Breaking Tubing Hanger Connections |
| 07/19/2012 | US20120181046 Adjustable support system for manifold to minimize vibration |
| 07/19/2012 | US20120181014 Method and system for servicing a wellbore |
| 07/19/2012 | US20120181013 Modular skid system for manifolds |
| 07/19/2012 | CA2764546A1 Collar assembly for breaking tubing hanger connections |
| 07/18/2012 | EP2475839A1 Rock drilling unit, feed beam, and method for damping vibration |
| 07/18/2012 | CN202338234U 便携式钻杆走齐装置 Portable drill to go together means |
| 07/18/2012 | CN202338233U 减震油管规 Damping tubing Regulation |
| 07/18/2012 | CN202338232U 抽油机钢丝绳的快速提拉卡 Quick Tila Ka pumping rope |
| 07/18/2012 | CN202338231U Steel wire rope type riser tensioner device |
| 07/18/2012 | CN202338230U Automatic driller for motor |
| 07/18/2012 | CN202338229U 一种可连接抽油杆短节的光杆卡子 One kind can be connected to a short section of sucker rod clamp |
| 07/18/2012 | CN202338228U 双固定卡瓦悬绳器 Dual fixed rope hanging kava |
| 07/18/2012 | CN102597414A Articulated apparatus for handling a drilling tool |
| 07/18/2012 | CN102587848A Devices and methods for locally replacing seal surface |
| 07/18/2012 | CN102587847A Continuous conveying device for petroleum tubular column |
| 07/18/2012 | CN102587846A Drilling rod feeding system |
| 07/18/2012 | CN102587834A Drilling tool and piling machinery |
| 07/18/2012 | CN102587828A Gas extraction and drilling cooperative drilling and protecting integrated system for soft coal seams and process |
| 07/18/2012 | CN102587825A Linkage hydraulic system for fully hydraulic drilling machine for coal mines |
| 07/17/2012 | CA2725055C Retrieval tool with slips for retrieving bottom hole assembly during casing while drilling operations |
| 07/17/2012 | CA2646014C Apparatus and method for running tubulars |
| 07/12/2012 | WO2012092657A1 Well tool with shearable collet |
| 07/12/2012 | US20120175326 Portable Pipe Storage Device |
| 07/12/2012 | US20120175130 Apparatus and methods for facilitating the connection of tubulars using a top drive |
| 07/11/2012 | CN202325523U 一种微型自动取样钻机 A miniature automatic sampling rig |
| 07/11/2012 | CN202325320U 取心钻头底座 Coring drill base |
| 07/11/2012 | CN202325319U 水平定向钻机虎钳夹持座 Horizontal directional drilling vise grip seat |
| 07/11/2012 | CN202325318U 弧面牙板与颚板槽侧面限位结构 Arc tooth and jaw plate and side walls defining structure |
| 07/11/2012 | CN202325317U 油管滑车 Tubing tackle |
| 07/11/2012 | CN202325316U 钻井用安全跑道 Drilling runway safety |
| 07/11/2012 | CN202325315U 防砸减震小滑车 Anti-smashing damping small pulley |
| 07/11/2012 | CN202325314U 自动复位夹持器 Automatic reset holder |
| 07/11/2012 | CN202325313U 一种加压长螺旋钻机 A pressurized long auger |
| 07/11/2012 | CN202325312U 两级液压驱动钻杆进给的动力装置 Two-stage hydraulic drive power unit drill feed |
| 07/11/2012 | CN202325311U 抽油机井光杆卡子 Clamp rod pumping wells |
| 07/11/2012 | CN202325310U 光杆快速卡子 Quick clamp rod |
| 07/11/2012 | CN202325309U 井口安全钳 Wellhead safety gear |
| 07/11/2012 | CN202325308U 抽油机悬绳快装端子 Packaged Terminal Pumping hanging rope |
| 07/11/2012 | CN202325307U 抽油光杆连接器 Pumping shiny pole connector |
| 07/11/2012 | CN202325306U 可控式辅助销钉装置 Controllable auxiliary pin device |
| 07/11/2012 | CN202325305U 车载式双动力电驱动修井机 Hybrid electric drive vehicle-mounted workover |
| 07/11/2012 | CN202325304U 可调节式杆、管桥凳子 Adjustable rod, pipe bridge stool |
| 07/11/2012 | CN202325303U 一种前置式液压蓄能修井机 A before-type hydraulic accumulator workover rig |
| 07/11/2012 | CN202325270U 波浪补偿分离式液压钻机 Heave Compensation separate hydraulic rig |
| 07/11/2012 | CN202325225U 一种铁路施工螺旋钻注机 A railway construction auger injection machine |
| 07/11/2012 | CN102575500A Rock drilling unit, feed beam, and method for damping vibration |
| 07/11/2012 | CN102562009A Efficient open water riser deployment |
| 07/11/2012 | CN102561978A Long-stroke no-killing well working device of oil-water well |
| 07/11/2012 | CN102561977A High-pressure high-flow water burst hole drilling safety system, mounting process thereof and service process |
| 07/11/2012 | CN102561975A Lifting pressurized well-repairing technology in closed oil pipe |
| 07/11/2012 | CN102561968A Large-tonnage continuous tube drawing bench |
| 07/11/2012 | CN102561961A Quick-change type continuous oil tube drum device |
| 07/11/2012 | CN102561960A Oilfield drill stem conveying device |
| 07/11/2012 | CN102561959A Two-stage pushing device for tubular columns |
| 07/11/2012 | CN102561958A Connecting device for hydraulic stepping drill rod of coal bed methane drilling machine |
| 07/11/2012 | CN102561957A Hand-injury preventive tool for assembling and disassembling square clips and method |
| 07/11/2012 | CN102561948A Rock-drilling drill carriage with foldable arm and automatic drill rod replacing device |
| 07/11/2012 | CN102561945A Drilling rig with intelligent flexible pipe |
| 07/11/2012 | CN101781975B Screwing and buckling clamp for connecting and disassembling drill rod and sleeve pipe |
| 07/10/2012 | US8215888 Cartridge tubular handling system |
| 07/10/2012 | US8215887 Pipe-handling apparatus and methods |
| 07/10/2012 | US8215872 Ram style tensioner with fixed conductor and floating frame |
| 07/10/2012 | US8215687 Remotely operated single joint elevator |
| 07/10/2012 | US8215499 Pipeline pig storage rack apparatus |
| 07/10/2012 | US8215410 Apparatus and method for electrical packer feedthrough |
| 07/09/2012 | DE202011004613U1 Bauarbeitsgerät Construction apparatus |
| 07/05/2012 | WO2012092091A2 Remote actuation testing tool for high pressure differential downhole environments |
| 07/05/2012 | WO2012092029A2 Drill rod guide |
| 07/05/2012 | WO2012092023A2 System and method for positioning a bottom hole assembly in a horizontal well |
| 07/05/2012 | WO2012091727A1 Tubular handling device and methods |
| 07/05/2012 | WO2012091706A1 Subsea pressure control system |
| 07/05/2012 | WO2012091657A1 Device and method for handling drill string components, as well as rock drilling rig |
| 07/05/2012 | US20120170998 Header Structure for a Pipe Handling Apparatus |
| 07/05/2012 | US20120168179 Coil tubing rig and carrier system |
| 07/05/2012 | US20120168177 Apparatus and Method for Supplying Electrical Power to an Electrocrushing Drill |
| 07/05/2012 | US20120168164 Method and apparatus for controlling fluid flow into a wellbore |
| 07/05/2012 | CA2823033A1 Drill rod guide |
| 07/05/2012 | CA2822962A1 Tubular handling device and methods |
| 07/05/2012 | CA2822743A1 Device and method for handling drill string components, as well as rock drilling rig |
| 07/04/2012 | EP2472052A1 Downhole apparatus and method |
| 07/04/2012 | EP2470800A1 Improved gripper for coiled tubing injectors |
| 07/04/2012 | EP2470748A2 Methods and apparatus for manipulating and driving casing |
| 07/04/2012 | EP2470747A1 Handling device for drill pipes, especially devices known as pipe handlers or top drives with pipe handlers, and operating method therefor |
| 07/04/2012 | EP2470746A2 Pull tube sleeve stress joint for floating offshore structure |
| 07/04/2012 | CN202300253U Continuous pipe injection head |
| 07/04/2012 | CN202300252U 一种冲扣钳的摆动支架 One kind of red buckle swing clamp bracket |