| 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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| 08/10/2011 | CN101469604B Adjustable centering side hanging back-ups |
| 08/09/2011 | US7992909 Single joint elevator with jaws secured by a powered door |
| 08/09/2011 | US7992646 Horizontal offline stand building system |
| 08/09/2011 | US7992634 Adjustable pipe guide for use with an elevator and/or a spider |
| 08/09/2011 | CA2663309C Ring sheave |
| 08/04/2011 | WO2011093716A1 Device and method for drilling with continous tool rotation and continous drilling fluid supply |
| 08/04/2011 | WO2011093715A1 Rotary table device for a pipe string |
| 08/04/2011 | US20110188973 Pipe handling system for a drilling rig |
| 08/04/2011 | US20110186305 Gas-blanketed piping connections |
| 08/04/2011 | US20110186298 Method And System For Treating A Subterranean Formation Using Diversion |
| 08/04/2011 | US20110186285 Guide Part Device |
| 08/04/2011 | CA2788151A1 Device and method for drilling with continous tool rotation and continous drilling fluid supply |
| 08/04/2011 | CA2786078A1 Rotary table device for a pipe string |
| 08/04/2011 | CA2721496A1 Methods and systems for orienting in a bore |
| 08/03/2011 | EP2351903A2 Method and device for establishing and/or enlarging a borehole |
| 08/03/2011 | EP2350431A1 Mechanised wrench device |
| 08/03/2011 | EP2350430A2 Apparatus and method for pre-loading of a main rotating structural member |
| 08/03/2011 | EP2350429A2 Telescoping jack for a gripper assembly |
| 08/03/2011 | EP2350428A2 Header structure for a pipe handling apparatus |
| 08/03/2011 | EP2350427A1 Device, method and use for transfer of equipment for a wireline operation in a well |
| 08/03/2011 | EP2350426A2 Pipe handling apparatus with arm stiffening |
| 08/03/2011 | EP2350425A2 Vessel for operating on underwater wells and working method of said vessel |
| 08/03/2011 | EP2350424A2 Method and apparatus for subsea installations |
| 08/03/2011 | EP2350422A1 Downhole tool protector apparatus and method |
| 08/03/2011 | CN201915939U 组油管立柱防井内落物托筒装置 Group tubing uprights anti-cylinder unit wells Litters care |
| 08/03/2011 | CN201915870U 钻机钻杆半自动接卸杆机构 Drill rig semi-automatic loading and unloading lever mechanism |
| 08/03/2011 | CN201915869U 带自锁机构的卡瓦装置 Kava unit with self-locking mechanism |
| 08/03/2011 | CN201915868U 一种带导斜槽的卡瓦座 A seat belt guide chute slip |
| 08/03/2011 | CN201915867U 绞车刹车毂自动喷淋冷却系统 Winch brake hub automatic spray cooling system |
| 08/03/2011 | CN201915866U 抽油机井安全悬绳器 Safety rope hanging pumping wells |
| 08/03/2011 | CN201915865U 一种旋挖钻机提引器防倾倒装置 One kind of rotary drilling rig to mention the anti-tip device is cited |
| 08/03/2011 | CN201915864U 抽油机自动调节悬绳器 Pumping unit automatically adjusts the suspension rope |
| 08/03/2011 | CN201915834U 多功能钻机 Multifunctional Drilling Rig |
| 08/03/2011 | CN102140898A Coiled tubing clamping device and injection head using same |
| 08/03/2011 | CN102140897A Automatic racking device for drill rod |
| 08/03/2011 | CN102140896A Multi-hydraulic cylinder electric energy-accumulation well repairing machine with energy accumulator |
| 08/02/2011 | US7988385 Ram style tensioner with fixed conductor and floating frame |
| 08/02/2011 | US7987904 Sealed well cellar |
| 08/02/2011 | CA2613262C Pipe running tool having internal gripper |
| 07/28/2011 | WO2011090390A1 Lift object for a component of a bottomhole assembly |
| 07/28/2011 | WO2011090320A2 Rod-mounting apparatus for a drilling apparatus |
| 07/28/2011 | WO2011049982A3 Method and apparatus to position and protect control lines being coupled to a pipe string on a rig |
| 07/28/2011 | WO2011043953A3 Multi-stage pressure equalization valve assembly of subterranean valves |
| 07/28/2011 | US20110180273 Tapered Spline Connection for Drill Pipe, Casing, and Tubing |
| 07/28/2011 | US20110180271 Integrated Completion String and Method for Making and Using |
| 07/28/2011 | US20110180265 Spoolable riser hanger |
| 07/28/2011 | CA2787432A1 Rod-mounting apparatus for drilling apparatus |
| 07/27/2011 | CN201908590U Safety protection device for open type hydraulic power tongs |
| 07/27/2011 | CN201908589U Suspending tool for replacing steel wire rope of oil pumping unit |
| 07/27/2011 | CN201908570U Air feeding device of air circuit system of workover rig |
| 07/27/2011 | CN201908569U Variable control device of electric drive energy storage type workover rig |
| 07/27/2011 | CN102134974A Drill stem hoisting device |
| 07/27/2011 | CN102134973A Rapid drill stem hoisting adapter |
| 07/27/2011 | CN101581198B Overhead hoisting and butt-joint method for box-type headframe |
| 07/27/2011 | CN101343985B Transverse beam type pipe clamping device |
| 07/27/2011 | CN101040098B Housing arrangement |
| 07/26/2011 | US7984757 Drilling rig with a top drive with an air lift thread compensator and a hollow cylinder rod providing minimum flexing of conduit |
| 07/26/2011 | CA2705075C Power slips |
| 07/21/2011 | US20110176874 Coiled Tubing Compensation System |
| 07/21/2011 | US20110174540 Draw-works for maneuvering of drilling devices |
| 07/21/2011 | US20110174503 Method and apparatus for installing a wireline for logging or other operations in an under-balanced well |
| 07/21/2011 | US20110174502 Pipe section guide system with flexible member |
| 07/21/2011 | US20110174501 Cable bypass and method for controlled entry of a tubing string and a cable adjacent thereto |
| 07/21/2011 | US20110174495 Latch System for Friction-Locked Tubular Members |
| 07/21/2011 | US20110174489 Fracturing/gravel packing tool system with dual flow capabilities |
| 07/21/2011 | US20110174483 Apparatus for gripping a tubular on a drilling rig |
| 07/21/2011 | US20110174479 Method and apparatus for connecting tubulars using a top drive |
| 07/20/2011 | EP2344716A1 Tubular handling device |
| 07/20/2011 | CN201902182U Notch aligning device for hydraulic power tongs |
| 07/20/2011 | CN201902181U Pipe fitting delivery device for oilfield headframe pipe delivery machine |
| 07/20/2011 | CN201902180U Low noise injection head |
| 07/20/2011 | CN201902160U Drilling machine capable of quarrying stone in cave/channel and drilling device |
| 07/20/2011 | CN102132001A Subsea structure installation or removal |
| 07/20/2011 | CN102128010A Oil/electric integrated power wheel-type workover rig |
| 07/19/2011 | US7980802 Pipe handling apparatus with arm stiffening |
| 07/19/2011 | US7980326 Method and system for controlling force in a down-hole drilling operation |
| 07/19/2011 | US7980298 Wedge device |
| 07/19/2011 | CA2545872C A power tong |
| 07/14/2011 | WO2011084690A2 Apparatus and method to support a tubular member |
| 07/14/2011 | WO2011084294A1 Hose tensioner for a rock drill system |
| 07/14/2011 | WO2011083320A2 Electric subsea coiled tubing injector apparatus |
| 07/14/2011 | WO2011083028A2 Mouse hole dampening system |
| 07/14/2011 | WO2011039587A3 Riser termination |
| 07/14/2011 | US20110170955 Tensioning a Riser |
| 07/14/2011 | US20110168406 Downhole hydraulic coupling assembly |
| 07/14/2011 | US20110168401 Electric Subsea Coiled Tubing Injector Apparatus |
| 07/14/2011 | US20110168397 Apparatus for use in top filling of tubulars and associated methods |
| 07/14/2011 | DE102010004287A1 Verfahren und Anordnung zum Herstellen und/oder Aufweiten einer Erdbohrung Method and apparatus for producing and / or expanding a well bore |
| 07/14/2011 | CA2846749A1 Rotating continuous flow sub |
| 07/14/2011 | CA2785750A1 Apparatus and method to support a tubular member |
| 07/14/2011 | CA2784593A1 Rotating continuous flow sub |
| 07/14/2011 | CA2782535A1 Hose tensioner for a rock drill system |
| 07/13/2011 | EP2342420A1 Power tong device |
| 07/13/2011 | EP1709285B1 Split locking ring for wellhead components |
| 07/13/2011 | CN201896595U Novel rapidly rotary clamp |
| 07/13/2011 | CN201896594U Hydraulic chuck of drilling rig |
| 07/13/2011 | CN102121373A Lifting system of hollow traveling block drill |
| 07/13/2011 | CN102121372A Electrical control system for oil well maintenance vehicle |
| 07/12/2011 | US7975766 Top filling tubing |
| 07/12/2011 | US7975760 Tool wrench assembly |