| Patents for E21B 41 - Equipment or details not covered by groups (7,984) |
|---|
| 01/17/2012 | CA2493698C System and method for utilizing nano-scale filler in downhole applications |
| 01/12/2012 | WO2011113845A3 Subsea well intervention module |
| 01/12/2012 | US20120006557 Made-up flange locking cap |
| 01/11/2012 | EP2404032A2 Tool for locating and plugging lateral wellbores |
| 01/11/2012 | EP2404031A1 Drilling control method and system |
| 01/11/2012 | EP2404028A2 Apparatus and method for a wireless sensor to monitor barrier system integrity |
| 01/11/2012 | EP1381921B1 Field/reservoir optimization utilizing neural networks |
| 01/11/2012 | CN202108475U Flat-ground ignition device for gas well blowout |
| 01/10/2012 | CA2551316C Rotary pulser |
| 01/05/2012 | WO2012001393A1 Rocking collar and umbilical termination assembly |
| 01/05/2012 | WO2012001116A1 Safety device |
| 01/05/2012 | WO2012001105A1 Methods for storing carbon dioxide compositions in subterranean geological formations and arrangements for use in such methods |
| 01/05/2012 | WO2012001008A1 In situ combustion process with reduced c02 emissions |
| 01/05/2012 | WO2012000077A1 Remotely operable underwater drilling system and drilling method |
| 01/05/2012 | WO2011127433A3 System and method for subsea production system control |
| 01/05/2012 | US20120000665 Well template and method for use thereof |
| 01/05/2012 | US20120000664 Acoustically Controlled Subsea Latching and Sealing System and Method for an Oilfield Device |
| 01/05/2012 | CA2804097A1 Methods for storing carbon dioxide compositions in subterranean geological formations and arrangements for use in such methods |
| 01/05/2012 | CA2803985A1 In situ combustion process with reduced c02 emissions |
| 01/05/2012 | CA2803712A1 Safety device |
| 01/05/2012 | CA2802872A1 Remotely operable underwater drilling system and drilling method |
| 01/04/2012 | EP2403068A1 Safety device |
| 01/04/2012 | EP2276908B1 System and method related to downhole energy generation |
| 01/03/2012 | US8087476 System and method for damping vibration in a drill string using a magnetorheological damper |
| 12/29/2011 | WO2011163005A2 Apparatus and methods for corrosion protection of downhole tools |
| 12/29/2011 | WO2011162616A1 Device and method for stablization of a wellhead, and also use of a suction substructure for support of a wellhead |
| 12/29/2011 | US20110315370 Erosion resistant frac head |
| 12/29/2011 | CA2803837A1 Apparatus and methods for corrosion protection of downhole tools |
| 12/29/2011 | CA2802838A1 Device and method for stablization of a wellhead, and also use of a suction substructure for support of a wellhead |
| 12/22/2011 | US20110308808 Coiled Tubing Inline Motion Eliminator Apparatus and Method |
| 12/17/2011 | CA2743647A1 Method and system for automatically setting, adjusting, and monitoring load-based limits on a well service rig |
| 12/15/2011 | WO2011155846A1 System and method for oil and/or gas development |
| 12/14/2011 | EP2394021A2 Method for producing natural gas from hydrocarbon hydrates while simultaneously storing carbon dioxide in geological formations |
| 12/14/2011 | EP2394020A1 Recovery or storage process |
| 12/08/2011 | WO2011121424A3 A method and an apparatus for obtaining energy by expanding a gas at a wellhead |
| 12/08/2011 | US20110299936 Arctic Platform |
| 12/08/2011 | US20110297388 Method and device for pressure regulation of a well |
| 12/08/2011 | US20110297386 System and method for controlling a blowout location at an offshore oilfield |
| 12/07/2011 | CN202064926U 一种基于水力喷射压裂防涡流冲蚀阀的防冲蚀装置 An anti-vortex based on hydraulic fracturing jet erosion erosion prevention valve device |
| 12/07/2011 | CA2742200A1 A rig mat system and method of making the same |
| 12/06/2011 | US8069926 Method of controlling flow through a drill string using a valve positioned therein |
| 12/03/2011 | CA2708567A1 Electrical jumper for a producing oil well |
| 12/01/2011 | US20110290499 Deepwater completion installation and intervention system |
| 11/30/2011 | EP2389498A1 Method and apparatus for in-situ wellbore measurements |
| 11/30/2011 | CN202055806U 一种油井井下自动定量加药装置 One kind of oil underground automated quantitative dosing device |
| 11/30/2011 | CN102264997A 从烃水合物中生产天然气同时将二氧化碳存储在地层中的方法 While natural gas is stored in the formation of carbon dioxide production from the hydrocarbon hydrates |
| 11/29/2011 | US8066086 Sleeve arrangement |
| 11/24/2011 | WO2011143738A1 Modular skid frame |
| 11/24/2011 | WO2011067557A3 Tool service life sensor with wireless connectivity |
| 11/24/2011 | US20110286797 Blowout Preventer |
| 11/24/2011 | US20110284237 Drilling riser release method |
| 11/23/2011 | CN202047793U Chemical feeding unit for deviated well protection |
| 11/22/2011 | US8062586 Methods and compositions for inhibiting metal corrosion |
| 11/22/2011 | CA2616188C Apparatus and method to monitor slurries for waste re-injection |
| 11/22/2011 | CA2486857C Method and apparatus for effective well and reservoir evaluation without the need for well pressure history |
| 11/17/2011 | WO2011143378A1 Apparatus and method for monitoring corrosion and cracking of alloys during live well testing |
| 11/17/2011 | WO2011141220A1 Arrangement and method for the self-sufficient supply of energy to measuring stations for monitoring pipelines, and use of said arrangement in a pipeline |
| 11/17/2011 | WO2011141219A1 Arrangement and method for supplying energy to pipeline monitoring devices, and use of said arrangement in a pipeline |
| 11/17/2011 | WO2011043981A3 System and method for downhole communication |
| 11/17/2011 | WO2010079320A8 Method and apparatus for in-situ wellbore measurements |
| 11/17/2011 | US20110283219 Method and System and Program Storage Device For Storing Oilfield Related Data in a Computer Database and Displaying a Field Data Handbook on a Computer Display Screen |
| 11/17/2011 | US20110278020 Shearing tool and methods of use |
| 11/17/2011 | US20110278018 Electrical coupling apparatus and method |
| 11/16/2011 | EP2386011A1 Pressure management system for well casing annuli |
| 11/16/2011 | CN102245855A Subsea well intervention module |
| 11/16/2011 | CN102242619A Reducing branch shaft manhole |
| 11/10/2011 | US20110272143 Sand production control through the use of magnetic forces |
| 11/10/2011 | US20110272136 Corrosion management systems for vertically oriented structures |
| 11/08/2011 | US8052351 Apparatus for connecting a connector pipe to a pipeline |
| 11/03/2011 | WO2011135178A1 Device for a hydraulic hammer |
| 11/03/2011 | WO2011050020A4 Ball tray organizer for subterranean complex completions |
| 11/03/2011 | US20110266002 Subsea Control Module with Removable Section |
| 11/02/2011 | EP2382369A2 Pump for pumping hydraulic well control fluid into a production flowline |
| 11/02/2011 | EP2054347B1 Treating liquids in oil extraction |
| 11/02/2011 | CN202023538U Dustproof drill cover |
| 11/01/2011 | US8047296 Method of transitioning to kinetic hydrate inhibitors in multiple tie-in well systems |
| 11/01/2011 | CA2493267C Fluid system component with sacrificial element |
| 10/27/2011 | US20110259649 Drill bit and design method for optimizing distribution of individual cutter forces, torque, work, or power |
| 10/27/2011 | US20110259580 Cables for downhole use |
| 10/26/2011 | EP2379839A1 Systems and methods for using a passageway through a subterranean strata |
| 10/26/2011 | EP2379838A1 Method for blocking a storage well |
| 10/26/2011 | CN1609407B Automatic oil well repairing apparatus |
| 10/26/2011 | CN102227542A Sub-sea chemical injection metering valve |
| 10/26/2011 | CN102226391A Anti-erosion system based on hydraulic jet fracturing anti-vortex erosion valve |
| 10/20/2011 | WO2011128653A1 Testing subsea umbilicals |
| 10/20/2011 | US20110253380 Apparatus and method for recovering fluids from a well and/or injecting fluids into a well |
| 10/19/2011 | EP2378053A1 Construction machine with computer unit for determining an adjustment range |
| 10/18/2011 | CA2437141C Apparatus and methods for anchoring and orienting equipment in well casing |
| 10/13/2011 | WO2011127433A2 System and method for subsea production system control |
| 10/13/2011 | WO2011127422A2 System and method for subsea power distribution network |
| 10/13/2011 | WO2011051453A3 Subsea pumping system |
| 10/13/2011 | CA2794539A1 Tubular embedded nozzle assembly for controlling the flow rate of fluids downhole |
| 10/12/2011 | EP2374991A2 Anhydrous boron-based delay plugs |
| 10/12/2011 | EP2373870A2 Subsea well intervention module |
| 10/12/2011 | CN1922383B System, tank and output unit for transporting untreated drill cuttings |
| 10/11/2011 | CA2367810C Technique of forming expandable devices from cells that may be transitioned between a contracted state and an expanded state |
| 10/06/2011 | WO2011121424A2 A method and an apparatus for obtaining energy by expanding a gas at a wellhead |
| 10/06/2011 | US20110240371 Drilling Station |
| 10/06/2011 | US20110240303 Subsea well intervention module |
| 10/06/2011 | US20110240131 System and method for scale inhibition |