Patents for E21B 41 - Equipment or details not covered by groups (7,984) |
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02/11/2010 | WO2010015861A2 Drill string mounted rotatable tool and cleaning method |
02/11/2010 | CA2731656A1 Drill string mounted rotatable tool and cleaning method |
02/10/2010 | EP2151540A1 Method and apparatus for configuring oil and/or gas producing system |
02/10/2010 | EP2151539A1 Electrically operated well tools |
02/10/2010 | EP1355169B1 Method and apparatus for controlling chemical injection of a surface treatment system |
02/09/2010 | CA2636835C A method and apparatus for creating a cemented lateral junction system |
02/09/2010 | CA2295765C Method for inhibiting biogenic sulfide generation |
02/04/2010 | WO2010012888A2 Energy generator |
02/04/2010 | CA2731973A1 Energy generator with oscillating membrane |
02/03/2010 | CN201396116Y Petroleum drilling machine air passage freezing preventing device |
02/03/2010 | CN201396115Y Novel explosion-proof instrument case |
02/02/2010 | US7657415 Subterranean formation treatment methods using a darcy scale and pore scale model |
02/02/2010 | US7655096 Coiled tubing wellbore cleanout |
01/28/2010 | WO2010011251A2 Tear cord for jacketed tube |
01/28/2010 | US20100018700 Laminate Pressure Containing Body for a Well Tool |
01/28/2010 | CA2721737A1 Tear cord for jacketed tube |
01/27/2010 | CN201391284Y Multifunctional oil drain device |
01/26/2010 | CA2582200C Dynamic vibrational control |
01/20/2010 | CN201386543Y High-energy electronic ignition system of high pressure natural gas well |
01/20/2010 | CN201386518Y Anti-collision device of continuous oil pipe operation machine |
01/19/2010 | US7647973 Collapse arrestor tool |
01/14/2010 | WO2009061187A3 Method for introducing co2 into the ground |
01/14/2010 | US20100008732 Arctic Platform |
01/14/2010 | US20100006297 Pipe string device for conveying a fluid from a well head to a vessel |
01/14/2010 | US20100006279 Intervention Tool with Operational Parameter Sensors |
01/13/2010 | EP2013447B1 Method for production metering of oil wells |
01/12/2010 | US7644785 Geothermal heat loop installation |
01/12/2010 | US7644766 Flushing device and method of flushing an annular space |
01/12/2010 | CA2517883C Full bore lined wellbores |
01/07/2010 | WO2010000736A1 Method of producing hydrocarbon fluid from a layer of oil sand |
01/07/2010 | WO2010000729A1 Producing hydrocarbon fluid from a layer of oil sand |
01/07/2010 | US20100003086 Arctic Platform |
01/07/2010 | US20100003084 Arctic Platform |
01/07/2010 | US20100000739 Variable buoyancy subsea running tool |
01/07/2010 | CA2729506A1 Producing hydrocarbon fluid from a layer of oil sand |
01/07/2010 | CA2729344A1 Method of producing hydrocarbon fluid from a layer of oil sand |
01/05/2010 | US7642926 Control system of an actuator for the actuation of submarine devices |
01/05/2010 | US7640965 Creating a well abandonment plug |
12/31/2009 | US20090321070 Driver to Transmit Signals over a Transmission Line in a Well |
12/30/2009 | WO2009156734A1 Downhole power generation |
12/30/2009 | WO2009156710A2 Centralising mechanism for an inner assembly within a vessel particularly for use in subsea modules |
12/30/2009 | EP2137374A1 An integrated device for the treatment of drill cuttings |
12/30/2009 | CN101614108A Roller cone drill bits with optimized bearing structures |
12/30/2009 | CA2728506A1 Downhole power generation |
12/29/2009 | USRE41059 Expandable wellbore junction |
12/29/2009 | CA2534848C Hydraulically actuated control system for use in a subterranean well |
12/23/2009 | WO2009153560A2 Improved downhole apparatus |
12/23/2009 | WO2009153548A1 Method and apparatus for configuring oil and/or gas producing system |
12/23/2009 | CN201367884Y Reusable drifting and pipe scraping integrated device |
12/23/2009 | CN101611300A An apparatus for leakage testing and/or pressure testing of a portion of a pipe and also a method for use of same |
12/23/2009 | CA2727334A1 Method and apparatus for configuring oil and/or gas producing system |
12/22/2009 | CA2452430C Method of increasing ph of high-density brines |
12/22/2009 | CA2440927C Protection scheme for deployment of artificial lift devices in a wellbore |
12/22/2009 | CA2412931C Apparatus and method for downhole fluid separation |
12/15/2009 | CA2567890C Erosion resistant aperture for a downhole valve or ported flow control tool |
12/15/2009 | CA2437987C Modeling of reservoir stimulation treatment |
12/15/2009 | CA2401668C Power generation using batteries with reconfigurable discharge |
12/09/2009 | CN201358759Y Collector of dirty oil and sewage in downhole operating oil pipe |
12/09/2009 | CN201358404Y Special compacted wire rope for oil-bailing in oilfield |
12/09/2009 | CN201358403Y Special compacted wire rope for sand-bailing in oilfield |
12/08/2009 | CA2599223C Inhibition of paraffin wall deposition in oil lines |
12/08/2009 | CA2509408C Arctic platform |
12/03/2009 | WO2009144390A1 Method for checking the integrity of geological storage of co<sb>2</sb> |
12/03/2009 | US20090294123 Multi-point injection system for oilfield operations |
12/02/2009 | EP2126279A1 Wellbore monitor |
12/01/2009 | US7627461 Method for field scale production optimization by enhancing the allocation of well flow rates |
12/01/2009 | US7624823 Roller cone drill bits with optimized cutting zones, load zones, stress zones and wear zones for increased drilling life and methods |
12/01/2009 | US7624805 Method of inhibiting corrosion in a conduit |
11/26/2009 | WO2009141160A2 System and method for depth measurement and correction during subsea intervention operations |
11/26/2009 | US20090288819 System and Method for Improving Operational Characteristics |
11/25/2009 | EP2122110A1 Computer aided design of rock drilling bit |
11/19/2009 | WO2009014794A3 Funnel system and method |
11/19/2009 | US20090283277 Configurable wellhead system with permanent fracturing spool and method of use |
11/19/2009 | DE112007002575T5 Mit abbaubarem Material unterstützte Umleitung With degradable material supported redirection |
11/18/2009 | CN201347737Y Full function wellhead control console for oil field downhole operation |
11/18/2009 | CN201347727Y Dismountable chamber body locking mechanism |
11/17/2009 | CA2600376C Protector for electrical submersible pumps |
11/12/2009 | WO2009136950A1 Method and apparatus for christmas tree condition monitoring |
11/12/2009 | WO2009116869A3 Cleaning tool |
11/12/2009 | WO2009106875A3 Pressure actuable downhole tool and a method for actuating the same |
11/12/2009 | WO2009073267A3 Harvesting energy in remote locations |
11/11/2009 | CN201344169Y Hydraulic system for disk type brake of drilling rig |
11/07/2009 | CA2665442A1 Phosphorus-free gelled hydrocarbon compositions and method for use thereof |
11/05/2009 | WO2009135172A2 Method and system for annular region evaluation in sequestration wells |
11/05/2009 | WO2009134902A1 System and method for use of pressure actuated collapsing capsules suspended in a thermally expanding fluid in a subterranean containment space |
11/05/2009 | WO2009108940A3 Underground sequestration system and method |
11/05/2009 | US20090276094 Apparatus And Method For An Autonomous Robotic System For Performing Activities In A Well |
11/05/2009 | US20090272545 System and method for use of pressure actuated collapsing capsules suspended in a thermally expanding fluid in a subterranean containment space |
11/03/2009 | US7610958 Downhole actuation tool |
11/03/2009 | CA2550453C Apparatus and methods for utilizing a downhole deployment valve |
11/03/2009 | CA2452903C Apparatus and method of drilling with casing |
10/29/2009 | WO2009129607A1 Movable wellhead platform |
10/29/2009 | WO2009102218A3 Method and device for position control of a working organ of a down-hole actuator |
10/29/2009 | WO2009097574A3 Small footprint drilling rig |
10/29/2009 | WO2009030925A3 A downhole assembly |
10/29/2009 | US20090266617 Sleeve arrangement |
10/29/2009 | US20090266553 Apparatus and method for preventing the penetration of seawater into a compressor module during lowering to or retrieval from the seabed |
10/22/2009 | US20090260830 Rigless well completion method |
10/22/2009 | US20090260797 Spooled Device Retaining System |
10/21/2009 | EP2109584A2 Method for reducing the emission of green house gases into the atmosphere |