Patents for E21B 41 - Equipment or details not covered by groups (7,984) |
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01/01/2014 | CN203375151U Automatic oil injection system for air hammer |
01/01/2014 | CN203374249U Underwater guiding rope and guiding column guiding assisting device for well drilling |
01/01/2014 | CN203374248U Installation fixing device of well drilling frequency converter |
01/01/2014 | CN203374247U Oil downhole tool telescopic position working surface protector |
01/01/2014 | CN103485735A Automatic pulling service system and operating method |
12/31/2013 | CA2743381C Apparatus and method for servicing a wellbore |
12/27/2013 | WO2013191949A2 Diverter cover assembly and methods of use |
12/27/2013 | WO2013191883A2 System and method of assessing a wellbore servicing fluid or a component thereof |
12/27/2013 | WO2013190093A2 A predictive flow assurance assessment method and system |
12/27/2013 | WO2013188903A1 An apparatus, system and method for actuating downhole tools in subsea drilling operations |
12/27/2013 | WO2013163506A3 Systems, spacer devices and methods for aligning multi-well modular templates and associated wells |
12/27/2013 | WO2012158900A3 Managing tensile forces in a cable |
12/27/2013 | WO2012123694A3 Subsea electric actuators and latches for them |
12/26/2013 | US20130341246 Reducing the carbon emissions intensity of a fuel |
12/26/2013 | US20130341088 Apparatus associated with sub-sea operations |
12/26/2013 | US20130341007 Wireless downhole tool positioning control |
12/26/2013 | US20130341006 Dehydrator screen for downhole gravel packing |
12/26/2013 | US20130340997 Method and system for accessing subterranean deposits from the surface and tools therefor |
12/25/2013 | EP2677115A1 A predictive flow assurance assessment method and system |
12/25/2013 | EP2065553B1 System and method for drilling lateral boreholes |
12/25/2013 | CN203362123U Auxiliary device for subsea pipeline assembling operation on slope |
12/25/2013 | CN203362122U Positioning mechanism of underwater horizontal connector |
12/25/2013 | CN203362121U Well site sewage recovery device |
12/25/2013 | CN203361152U Maritime waterproof guide pipe pile capping device |
12/25/2013 | CN102226391B Anti-erosion system based on hydraulic jet fracturing anti-vortex erosion valve |
12/19/2013 | WO2013050411A3 Underwater vehicle docking station |
12/19/2013 | WO2013039943A3 Method and apparatus for unplugging hydrocarbon drains or vents |
12/18/2013 | EP2674568A1 Monitoring environmental conditions of an underwater installation |
12/18/2013 | EP2673458A2 Partially retrievable safety valve |
12/18/2013 | CN203347751U Portable fuel oil supplementing device |
12/18/2013 | CN203347750U Black box for well drilling three meters |
12/18/2013 | CN103460262A Safety barrier alert |
12/14/2013 | CA2780110A1 Drilling rig spill containment lease pre treatment |
12/12/2013 | WO2013182875A1 Pipe connection guide arrangement |
12/12/2013 | WO2012170152A3 Subsea pressure relief devices and methods |
12/12/2013 | US20130327572 Lateral wellbore completion apparatus and method |
12/12/2013 | US20130327522 Fluid distribution determination and optimization with real time temperature measurement |
12/12/2013 | CA2818664A1 Fluid containment system and building method |
12/11/2013 | EP2670944A2 Downhole pressure relief apparatus |
12/11/2013 | CN203335035U Eaton brake protecting device |
12/11/2013 | CN203335034U Electric rotary operating platform for drilling machine |
12/11/2013 | CN203335033U Liftable driller box |
12/11/2013 | CN103437739A Locating locking mechanism on installation tool of underwater horizontal manifold connector |
12/11/2013 | CN101785151B High pressure, high voltage penetrator assembly |
12/05/2013 | WO2013061065A3 Multilateral well control |
12/05/2013 | US20130319685 Downhole Tool Coupling and Method of its Use |
12/04/2013 | EP2668369A2 Apparatus for a fluid transport pipeline, related method and system |
12/04/2013 | EP2668367A2 Monitoring the health of a blowout preventer |
12/04/2013 | EP2519707B1 Downhole guiding tool |
12/04/2013 | CN203321449U Networked driller control room |
12/04/2013 | CN203321448U Connecting device of releasing packer, bridge plug and setting tool |
12/04/2013 | CN203321447U Long-distance timed and quantitative methanol filling device |
11/28/2013 | US20130312963 Method for Combined Cleaning and Plugging in a Well, a Washing Tool for Directional Washing in a Well, and Uses Thereof |
11/27/2013 | EP2666956A1 A modular electric system located under water |
11/27/2013 | CN203308436U Adjustable wellhead assembly operation platform |
11/27/2013 | CN103410477A Offshore oil platform underwater cable disconnecting and reconnecting method and equipment |
11/27/2013 | CN103410476A Network type driller control room |
11/27/2013 | CN103410475A Environment-friendly annular continuous dosing automatic device for oil-gas wells and dosing method |
11/25/2013 | CA2778306A1 Telescopic frac water tank |
11/23/2013 | CA2778099A1 Well site drainage system |
11/21/2013 | WO2013173133A1 Quick disconnect system |
11/21/2013 | WO2013170375A1 Inert gas supply equipment for oil and gas well operations |
11/21/2013 | WO2013170372A1 Apparatus and method for downhole activation |
11/21/2013 | US20130306324 Systems and methods for operating a plurality of wells through a single bore |
11/21/2013 | US20130306318 Erosion reduction in subterranean wells |
11/20/2013 | EP2109584B1 Method for reducing the emission of green house gases into the atmosphere |
11/20/2013 | CN203296755U Multifunctional rapid source taking device |
11/20/2013 | CN203296754U Liquid filling and pressure testing integrated device |
11/20/2013 | CN203296753U Automatic oiling device of oil pipe screw thread |
11/20/2013 | CN203296752U Well drilling racking platform safety belt suspension device |
11/20/2013 | CN103397865A Diving buoyancy tube |
11/20/2013 | CN101960086B A method and device for making lateral openings out of a wellbore |
11/18/2013 | CA2818311A1 Storage tank |
11/18/2013 | CA2815714A1 System and method for mitigating dust migration at a wellsite |
11/14/2013 | US20130299195 Method and apparatus for bringing under control an uncontrolled flow through a flow device |
11/14/2013 | US20130299163 System and Method for Triggering a Downhole Tool |
11/13/2013 | EP2661536A2 Low equivalent circulation density setting tool |
11/13/2013 | CN203285335U Expansion device for underground branch device |
11/07/2013 | WO2013165783A1 Flow sensing apparatus and methods for use in oil and gas wells |
11/07/2013 | WO2013164599A1 Wellbore encasement |
11/07/2013 | WO2012174295A3 Control system for downhole operations |
11/07/2013 | US20130297213 Oilfield equipment identification method and apparatus |
11/07/2013 | US20130292130 Reserve battery to provide power for subsea applications |
11/07/2013 | US20130292124 Hydraulic fracturing |
11/07/2013 | US20130292111 Method of constructing a well log of a quantitative property from sample measurements and log data |
11/06/2013 | EP2660421A2 Actuator switch for a downhole tool, tool and method |
11/06/2013 | CN203271681U Three-axis drilling machine |
11/06/2013 | CN203271680U Filling connector of hollow sucker rod |
11/05/2013 | CA2724787C Apparatus and methods for anchoring and orienting equipment in well casing |
11/04/2013 | CA2815016A1 Modular transportable tank system and method of assembly |
11/04/2013 | CA2806404A1 Improved polymer dissolution equipment suitable for large fracturing operations |
10/31/2013 | WO2013163506A2 Systems, spacer devices and methods for aligning multi-well modular templates and associated wells |
10/31/2013 | WO2013036145A3 Petroleum well intervention winch system |
10/31/2013 | US20130284460 Lateral junction assembly |
10/31/2013 | US20130284444 Systems, Spacer Devices and Methods For Aligning Multi-Well Modular Templates and Associated Wells |
10/31/2013 | US20130284425 Dissolvable Tool |
10/30/2013 | EP2655793A1 Technical system, method and uses for dosing of at least one liquid treatment means into injection water to an injection well |
10/30/2013 | CN203257376U Folding wellhead operating floor device |
10/26/2013 | CA2813950A1 System and method for compliance management of fluids in and about drilling sites |
10/24/2013 | WO2012146707A3 Cycling device |