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