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