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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11/14/2012 | CN202531056U Adjustable pipe rod rack buttress |
11/14/2012 | CN202531055U Integrated type vehicle-mounted workover rig capable of operating with pressure |
11/14/2012 | CN202531054U Friction reversing type pumping unit moving tool |
11/14/2012 | CN102782244A A drilling installation |
11/14/2012 | CN102777137A Centering and guide clamping integrated type power head |
11/14/2012 | CN102777136A Power catwalk for lifting workover rig |
11/14/2012 | CN101985873B Mechanical operation device for lifting and lowering oil tube of oil well |
11/14/2012 | CN101881141B Hydraulic oil pipe installing and dismounting equipment |
11/14/2012 | CN101832114B High-efficiency hydraulic twisting machine capable of staggering orifice |
11/14/2012 | CN101787861B Special multi-joint torque control valve for oil pipe tongs |
11/14/2012 | CN101730784B Disconnectable riser-mooring system |
11/14/2012 | CN101484658B Coupling for dual member pipe |
11/14/2012 | CN101451427B Drilling device and drilling method |
11/13/2012 | US8307904 System and method for maintaining position of a wellbore servicing device within a wellbore |
11/13/2012 | US8307889 Assembly for controlling annuli between tubulars |
11/13/2012 | US8307888 Method and apparatus for removing casing |
11/13/2012 | CA2643388C Flush mounted spider |
11/12/2012 | DE202012010458U1 Steuergerät eines Bohrwerkzeugs und Bohreinheit Control device of a drilling tool and drilling unit |
11/08/2012 | WO2012151148A2 Extended range single - joint elevator |
11/08/2012 | WO2012151147A2 Floating spider |
11/08/2012 | WO2012069822A3 Valve apparatus and improved ram |
11/08/2012 | US20120279726 System and method for monitoring and controlling snubbing slips |
11/08/2012 | DE102011100691A1 Bohrgerät und Verfahren zum Betreiben eines Bohrgeräts Drill and method of operating a drill |
11/08/2012 | CA2834880A1 Extended range single-joint elevator |
11/08/2012 | CA2834863A1 Floating spider |
11/07/2012 | EP2520758A2 Drill and method for operating a drill |
11/07/2012 | CN202520260U Sediment pressure-maintaining storage device matched with deep sea drilling machine |
11/07/2012 | CN202520253U Oil field tubing slide rail clamping device |
11/07/2012 | CN202520252U Suspended type self-adaptive automatic drill column racking device |
11/07/2012 | CN202520251U Dual-cylinder air operated slip |
11/07/2012 | CN202520250U Cam type holder |
11/07/2012 | CN202520249U Front holder connected hydraulic chuck in two ways |
11/07/2012 | CN202520248U Rod feeding system of drilling machine |
11/07/2012 | CN102767361A Intelligent hydraulic cable hanger device and working method |
11/07/2012 | CN102767358A System and method for monitoring and controlling snubbing slips |
11/07/2012 | CN102767341A Novel drill pipe bracket for horizontal directional drilling machine |
11/06/2012 | US8302677 Coiled tubing injector with a weight on bit circuit |
11/06/2012 | CA2734361C Method for using retainer, and retainer |
11/06/2012 | CA2673619C Umbilical termination assembly and launching system |
11/06/2012 | CA2659602C A top drive apparatus for drilling a bore hole |
11/05/2012 | CA2775990A1 System and method for monitoring and controlling snubbing slips |
11/05/2012 | CA2739280A1 System and method for monitoring and controlling snubbing slips |
11/01/2012 | WO2012149318A2 Expansion system for an expandable tubular assembly |
11/01/2012 | WO2012148956A2 Flange overshot retrieval tool |
11/01/2012 | WO2012148807A2 Mechanically actuated casing drive system tool |
11/01/2012 | WO2012148289A1 Backup heave compensation system and lifting arrangement for a floating drilling vessel |
11/01/2012 | WO2012148287A1 Device and method for transfer of objects to and from an unmanned installation area |
11/01/2012 | WO2012148286A1 Pipe handling machine |
11/01/2012 | WO2012148285A1 Pipe handling device |
11/01/2012 | WO2012148284A1 Auxiliary arm for drilling equipment |
11/01/2012 | WO2012146622A1 Vessel comprising a moon pool and a hoisting arrangement and method of lowering items into the sea |
11/01/2012 | WO2012146053A1 Guide device for coiled tubing |
11/01/2012 | WO2012091560A9 Tubular installation system and method |
11/01/2012 | WO2012048180A8 Electrically driven coiled tubing injector assembly |
11/01/2012 | US20120275882 Raise-Assist and Smart Energy System for a Pipe Handling Apparatus |
11/01/2012 | US20120273279 Core Barrel and Related Drilling Apparatus and Method |
11/01/2012 | US20120273237 Expansion system for an expandable tubular assembly |
11/01/2012 | US20120273233 Drill string components resistant to jamming |
11/01/2012 | US20120273232 Mechanically actuated casing drive system tool |
11/01/2012 | US20120273230 Automated systems and methods for make-up and break-out of tubulars |
11/01/2012 | US20120272792 Power tong |
11/01/2012 | CA2833882A1 Expansion system for an expandable tubular assembly |
11/01/2012 | CA2831226A1 Backup heave compensation system and lifting arrangement for a floating drilling vessel |
10/31/2012 | EP2516792A2 Rigless low volume pump system |
10/31/2012 | EP2516789A1 Drilling a borehole and hybrid drill string |
10/31/2012 | CN202510717U Rubber sleeve for all-hydraulic drill chuck in coal mine |
10/31/2012 | CN202510066U Flush casing lifting sub centering device |
10/31/2012 | CN202510065U Clamping tool for drill pipe of small-aperture drilling machine |
10/31/2012 | CN202510064U Drilling machine drill rod lower guide mechanism |
10/31/2012 | CN202510063U Dematron drilling machine centring mechanism |
10/31/2012 | CN202510062U Drill stem overturning mechanism for horizontal directional drilling |
10/31/2012 | CN202510061U Drill pipe clamping mechanism for horizontal directional drilling rig |
10/31/2012 | CN202510060U Conveying device for hydraulic drilling tool |
10/31/2012 | CN202510059U Liquid-operated folio slip device for drill machine |
10/31/2012 | CN202510058U Adjustable underwater combination pipe clamp device |
10/31/2012 | CN202510057U Dropping-preventing beam hanger |
10/31/2012 | CN202510056U Beam hanger twist-prevention device of oil pumping machine |
10/31/2012 | CN202510055U Lifting wire of drilling tool |
10/31/2012 | CN202510054U Clamper for automatically rod changing device and automatically rod changing device using same |
10/31/2012 | CN202510053U Self-propelled electric workover rig with capacitor stored energy |
10/31/2012 | CN202510049U Polish rod centring device |
10/31/2012 | CN202510026U Linkage hydraulic system for coal mine all-hydraulic drill |
10/31/2012 | CN102758592A Oil tube arrangement device |
10/31/2012 | CN102758591A Screw-on guider for coiled tubing drilling tool |
10/31/2012 | CN102756952A Hydraulic reel-pipe control system, continuous wall grab bucket and chambering drilling machine |
10/30/2012 | US8297886 Drilling rig |
10/30/2012 | US8297366 Installable load shoulder for a wellhead |
10/30/2012 | US8297361 Sea bed oil recovery system |
10/30/2012 | US8297348 Seal configuration for top drive swivel apparatus and method |
10/30/2012 | US8297347 Method of controlling torque applied to a tubular connection |
10/29/2012 | CA2775856A1 Bearing assembly |
10/26/2012 | WO2012145160A2 Galvanically isolated exit joint for well junction |
10/26/2012 | WO2012143063A1 Connecting device for a drilling and impact mechanism of a tap hole drill, and tap hole drill having a connecting device |
10/26/2012 | WO2012092029A3 Drill rod guide |
10/26/2012 | CA2831635A1 Galvanically isolated exit joint for well junction |
10/25/2012 | US20120267117 Device for a Safety Connector for a Pipe String Suspension |
10/25/2012 | US20120267116 Flange overshot retrieval tool |
10/24/2012 | EP2514843A1 Connection device for a drilling and impact mechanism of a tap hole drilling machine and tap hole drilling machine with connection device |
10/24/2012 | EP2513537A1 Device for supporting the connection tip of flexible pipe in an offshore facility |
10/24/2012 | EP2513410A2 Apparatus and method to support a tubular member |