| 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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| 01/14/2009 | CN201180056Y Winch lift hook assembly |
| 01/14/2009 | CN101346529A Apparatus and method for facilitating connecting and disconnecting members |
| 01/14/2009 | CN101346528A Wedge device |
| 01/14/2009 | CN101343986A Automatized shaft mouth operation clamp for petroleum well workover |
| 01/14/2009 | CN101343985A Transverse beam type pipe clamping device |
| 01/13/2009 | US7475722 Method and apparatus for restraining tubular members during well servicing |
| 01/08/2009 | WO2009005362A2 Clamp ram device |
| 01/08/2009 | US20090008081 Running Wellbore Tubulars |
| 01/07/2009 | EP2011959A2 Pipe roller assembly |
| 01/07/2009 | EP2010749A1 Rock drilling device |
| 01/07/2009 | EP2010748A2 Tubular running tool |
| 01/07/2009 | CN201176858Y Anticollision polished rod eye |
| 01/07/2009 | CN201176857Y Polished rod eye without beating clip for bumping pump |
| 01/07/2009 | CN201176856Y Rope torquemoment releaser |
| 01/06/2009 | US7473065 Oilfield pipe-handling apparatus |
| 01/06/2009 | US7472762 Top drive oil flow path seals |
| 01/01/2009 | US20090003974 Transport assembly |
| 01/01/2009 | US20090000793 Methods and apparatus for well construction |
| 01/01/2009 | US20090000781 Wellhead Assembly and Method for An Injection Tubing String |
| 01/01/2009 | US20090000780 Top drive systems with reverse bend bails |
| 12/31/2008 | WO2009002189A1 Drilling tower device and drilling machine system |
| 12/31/2008 | WO2009001036A1 Improved well intervention system |
| 12/31/2008 | WO2008127084A3 A seamless steel tube for work-over riser and method of manufacturing |
| 12/31/2008 | CN201173096Y Hydraulic dynamic pliers back-ups |
| 12/31/2008 | CN101336332A Safety interlock for control lines |
| 12/31/2008 | CN101333915A Fastener device for connecting and detaching bore rod |
| 12/31/2008 | CA2694345A1 Improved well intervention system |
| 12/30/2008 | US7469755 Method and apparatus for drilling and servicing subterranean wells with rotating coiled tubing |
| 12/30/2008 | US7469749 Mobile snubbing system |
| 12/25/2008 | US20080314580 Integrated Top Drive and Coiled Tubing Injector |
| 12/25/2008 | US20080314577 Stress, strain and fatigue measuring of well piping |
| 12/24/2008 | WO2008052058A3 Apparatus for radially expanding and plastically deforming a tubular member |
| 12/24/2008 | EP2004949A1 Drill rod handler |
| 12/24/2008 | EP2004945A2 Mobile drilling rig with dual carriers |
| 12/24/2008 | EP1135576B1 Improved oilfield tubular elevator and method for using same |
| 12/24/2008 | CA2819812A1 Control line running system |
| 12/24/2008 | CA2809210A1 Control line running system |
| 12/24/2008 | CA2809152A1 Control line running system |
| 12/23/2008 | US7467676 Method and device for preventing pipeskidding |
| 12/23/2008 | US7467670 Method and apparatus for indexing between selected columns in a drill rod magazine |
| 12/23/2008 | US7467659 Tubing injector head |
| 12/23/2008 | CA2455143C Fluid collecting device |
| 12/18/2008 | WO2008154545A2 Pull-style tensioner system for a top-tensioned riser |
| 12/18/2008 | WO2008154544A1 Pivoting pipe handler for off-line make up drill pipe joints |
| 12/18/2008 | WO2008154388A2 Use of low impact expansion to reduce flow friction |
| 12/18/2008 | WO2008153410A1 A collector device for drilling fluid |
| 12/18/2008 | WO2008152505A1 Disconnectable riser-mooring system |
| 12/18/2008 | US20080308319 Guide Rail Plate For Top Drive Of A Drilling System |
| 12/18/2008 | US20080308281 Control line running system |
| 12/18/2008 | CA2691315A1 A collector device for drilling fluid |
| 12/17/2008 | EP2003285A1 Umbilical deployment system |
| 12/17/2008 | CN201165855Y Drill rod slide track vehicle |
| 12/17/2008 | CN201165854Y Novel moving system of hoisting side arranging well head equipment |
| 12/17/2008 | CN101323421A Winch intelligent control rope guiding method and digital intelligent control rope guiding apparatus |
| 12/16/2008 | US7464750 Rotary fluid-sealing structure using speed-reduction stages |
| 12/16/2008 | CA2362522C Method of making a conductive downhole wire line system |
| 12/15/2008 | CA2634976A1 A guide rail plate for top drive of a drilling system |
| 12/11/2008 | US20080304939 System for Handling Pipes Between a Pipe Rack and a Derrick, and Also a Device for Assembling and Disassembling Pipe Stands |
| 12/11/2008 | US20080304938 Strongback Traveling Clamp |
| 12/11/2008 | US20080303266 Coupling apparatus |
| 12/11/2008 | US20080302541 Grooved Expandable Recess Shoe and Pipe for Deployment of Mechanical Positioning Devices |
| 12/11/2008 | US20080302539 Method and apparatus for lengthening a pipe string and installing a pipe string in a borehole |
| 12/11/2008 | US20080302525 Pipe handling device, method and system |
| 12/10/2008 | CN201162503Y Suspension clamp of liquid-controlled pumping rod |
| 12/09/2008 | US7461830 Multiple sensor for preventing a crown-block incursion on an oil well rig |
| 12/09/2008 | US7461700 Apparatus and method for a C-plate used in a cable guided fishing assembly |
| 12/09/2008 | CA2528473C Method and apparatus for deploying a line in coiled tubing |
| 12/09/2008 | CA2353501C Improved oilfield tubular elevator and method for using same |
| 12/08/2008 | CA2630638A1 Apparatus and method for engaging a tubular |
| 12/07/2008 | CA2633883A1 Roller chain and sprocket system |
| 12/04/2008 | WO2008147210A2 A device for a top drive drilling machine for continuous circulation of drilling mud |
| 12/04/2008 | WO2008033831A3 Tong positioning and alignment device |
| 12/04/2008 | WO2008033738A3 Coiled tubing wellbore drilling and surveying using a through the drill bit apparatus |
| 12/04/2008 | US20080296065 Drill Floor Device |
| 12/04/2008 | US20080296028 Downhole pressure chamber and method of making same |
| 12/04/2008 | US20080296013 Top mounted injector for coiled tubing injection |
| 12/04/2008 | US20080296012 Cementing manifold with canister fed dart and ball release system |
| 12/04/2008 | US20080296011 Cam-Actuated Centrifugal Brake for Preventing Backspin |
| 12/04/2008 | CA2690007A1 A device for a top drive drilling machine for continuous circulation of drilling mud |
| 12/03/2008 | EP1996789A2 System for conducting jointed pipe and coiled tubing operations |
| 12/03/2008 | CN201159059Y Hanging tongs for petroleum well drilling and repairing with data-logging equipment |
| 12/03/2008 | CN201159058Y Fast interchanging slip device of petroleum drill lever |
| 12/02/2008 | US7458750 Pipe conveyor system |
| 11/28/2008 | CA2633961A1 Low ground pressure and amphibious coring system |
| 11/28/2008 | CA2590562A1 Top mounted injector for coiled tubing injection |
| 11/27/2008 | WO2008142201A1 Arrangement for employing drill steel centralizer travelling on feed beam of rock drill machine |
| 11/27/2008 | WO2007146931A3 Linear rod pump apparatus and method |
| 11/27/2008 | US20080292405 Marine J-Lay Pipelaying System |
| 11/27/2008 | US20080289817 Method and apparatus for re-entering an abandoned well |
| 11/27/2008 | CA2687405A1 Arrangement for employing drill steel centralizer travelling on feed beam of rock drill machine |
| 11/26/2008 | EP1799955B1 Tubular handling apparatus and a drilling rig |
| 11/26/2008 | EP1608839B1 Method and apparatus to complete a well having tubing inserted through a valve |
| 11/26/2008 | CN201155305Y Top drive rotating shaft type bore rod dismounting device |
| 11/26/2008 | CN201155304Y Petroleum well drilling boring tool conveyer device |
| 11/25/2008 | US7455128 Automated arm for positioning of drilling tools such as an iron roughneck |
| 11/25/2008 | US7455105 Apparatus and method for installing coiled tubing in a well |
| 11/20/2008 | WO2008141045A1 Single joint elevator with gripping jaws |
| 11/20/2008 | WO2008103156A3 Simultaneous tubular handling system |
| 11/20/2008 | US20080283300 Drilling rig and vibration dampening support frame |
| 11/20/2008 | US20080283253 Expandable Centralizer For Expandable Pipe String |