Patents for E21B 41 - Equipment or details not covered by groups (7,984) |
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04/09/2002 | US6368403 Heating molten silicon in container and providing controllable amounts of oxygen gas and hydrogen gas to melt |
04/09/2002 | US6367565 Means for detecting subterranean formations and monitoring the operation of a down-hole fluid driven percussive piston |
04/04/2002 | WO2002027139A1 Method and system for wireless communications for downhole applications |
04/04/2002 | WO2001086115A3 A method for treating a hydrocarbon containing formation |
04/04/2002 | US20020040177 In situ thermal processing of a hydrocarbon containig formation, in situ production of synthesis gas, and carbon dioxide sequestration |
04/04/2002 | US20020040173 Providing heat from one or more heat sources to at least one portion of formation; allowing heat to transfer from the one or more heat sources to a selected section of the formation; controlling the heat; producing a mixture from the formation |
04/04/2002 | US20020039486 In situ thermal processing of a coal formation using heat sources positioned within open wellbores |
04/04/2002 | US20020039465 Multiplexed distribution of optical power |
04/04/2002 | US20020038727 Drill pipe protector assembly |
04/04/2002 | US20020038712 In situ production of synthesis gas from a coal formation through a heat source wellbore |
04/04/2002 | US20020038711 Pyrolysis |
04/04/2002 | US20020038710 In situ thermal processing of a hydrocarbon containing formation having a selected total organic carbon content |
04/04/2002 | US20020038709 In situ thermal processing of a hydrocarbon containing formation using a natural distributed combustor |
04/04/2002 | US20020038708 In situ thermal processing of a coal formation to produce a condensate |
04/04/2002 | US20020038706 In situ thermal processing of a coal formation with a selected vitrinite reflectance |
04/04/2002 | US20020038705 In situ thermal processing of a hydrocarbon containing formation to produce a mixture with a selected hydrogen content |
04/03/2002 | EP1193367A1 Drilling or coring machine |
04/03/2002 | EP1193366A2 Method and apparatus for prediction control in drilling dynamics using neural network |
04/03/2002 | EP1192715A2 Opto-electrical actuation system and method |
04/03/2002 | EP0993540B1 Device and method for creating ramifications in a bore hole |
04/03/2002 | CN1082128C Method of assaying work of waderground bit |
04/02/2002 | US6364021 Well management system and method of operation |
04/02/2002 | US6364014 Flow monitoring and control in multi-lateral wellbores |
03/28/2002 | WO2002025319A2 Methods and apparatus for interactive communications |
03/28/2002 | WO2002025059A1 Method and apparatus for completing wells with expanding packers for casing annulus and formation isolation |
03/28/2002 | WO2002025057A1 Apparatus comprising bistable structures for use in oil and gas wells |
03/28/2002 | WO2001081716A3 A method for sequestering a fluid within a hydrocarbon containing formation |
03/28/2002 | WO2001065718A3 Wireless power and communications cross-bar switch |
03/28/2002 | WO2000054028A9 System and method for monitoring corrosion in oilfield wells and pipelines utilizing time-domain-reflectometry |
03/28/2002 | US20020038069 In situ thermal processing of a coal formation to produce a mixture of olefins, oxygenated hydrocarbons, and aromatic hydrocarbons |
03/28/2002 | US20020036103 In situ thermal processing of a coal formation by controlling a pressure of the formation |
03/28/2002 | US20020036089 In situ thermal processing of a hydrocarbon containing formation using distributed combustor heat sources |
03/28/2002 | US20020036085 Toroidal choke inductor for wireless communication and control |
03/28/2002 | US20020036084 In situ thermal processing of a hydrocarbon containing formation to form a substantially uniform, high permeability formation |
03/28/2002 | US20020036083 In situ thermal processing of a hydrocarbon containing formation with heat sources located at an edge of a formation layer |
03/28/2002 | CA2423586A1 Methods and apparatus for interactive communications |
03/28/2002 | CA2422800A1 Apparatus comprising bistable structures for use in oil and gas wells |
03/27/2002 | EP1097287A4 Floating spar for supporting production risers |
03/27/2002 | CN1341802A Continuous pumping rod operation machine |
03/26/2002 | US6360823 Apparatus and method for performing downhole measurements |
03/21/2002 | WO2001081717A3 Method for treating a hydrocarbon-containing formation |
03/21/2002 | US20020035307 Pyrolysis |
03/21/2002 | US20020034668 For powering a tool in a well |
03/21/2002 | US20020034380 In situ thermal processing of a coal formation with a selected moisture content |
03/21/2002 | US20020033280 In situ thermal processing of a coal formation with carbon dioxide sequestration |
03/21/2002 | US20020033278 Cuttings injection system and method |
03/21/2002 | US20020033257 In situ thermal processing of hydrocarbons within a relatively impermeable formation |
03/21/2002 | US20020033256 Process control; heating |
03/21/2002 | US20020033255 In situ thermal processing of a hydrocarbon containing formation in a hydrogen-rich environment |
03/21/2002 | US20020033254 In situ thermal processing of a coal formation to control product composition |
03/21/2002 | US20020033253 In situ thermal processing of a hydrocarbon containing formation using insulated conductor heat sources |
03/20/2002 | CN2482583Y Automatic non-derail self-unloading tackle |
03/19/2002 | US6357539 Apparatus for retrieving metal objects from a wellbore |
03/19/2002 | US6357524 System for using inert gas in oil recovery operations |
03/14/2002 | WO2002020939A1 Method and system for perforating |
03/14/2002 | US20020029908 Electrically sequenced tractor |
03/14/2002 | US20020029889 Deviated borehole drilling assembly |
03/14/2002 | US20020029885 In situ thermal processing of a coal formation using a movable heating element |
03/14/2002 | US20020029884 In situ thermal processing of a coal formation leaving one or more selected unprocessed areas |
03/14/2002 | US20020029883 System and method for fluid flow optimization |
03/14/2002 | US20020029882 In situ thermal processing of a hydrocarbon containing formation leaving one or more selected unprocessed areas |
03/14/2002 | US20020029881 In situ thermal processing of a hydrocarbon containing formation using conductor in conduit heat sources |
03/14/2002 | US20020029718 Pipe racking system track cover |
03/14/2002 | US20020029574 Apparatus for dissolving, liquefying and introducing CO2 gas into the deep sea for storage there |
03/12/2002 | US6354386 Apparatus for retrieving metal objects from a wellbore |
03/12/2002 | US6354375 Lateral well tie-back method and apparatus |
03/12/2002 | CA2035823C Method and system for controlling vibrations in borehole equipment |
03/07/2002 | WO2002018740A1 Improved method for drilling multi-lateral wells with reduced under-reaming and related device |
03/07/2002 | WO2002018738A1 Improved method for drilling multi-lateral wells and related device |
03/07/2002 | WO2002018727A1 Work platform for blowout preventer stacks |
03/07/2002 | US20020027004 Computer controlled injection wells |
03/07/2002 | US20020027001 In situ thermal processing of a coal formation to produce a selected gas mixture |
03/06/2002 | CN1339083A Method for creating secondary sidetracks in a well system |
03/06/2002 | CN1339082A Multilateral well and electrical transmission system |
03/06/2002 | CN1080362C Chemicals for increasing productivity of oil and gas fields and method therefor |
03/05/2002 | US6353799 Method and apparatus for determining potential interfacial severity for a formation |
02/28/2002 | US20020023759 Method and apparatus of operating devices using actuators having expandable or contractable elements |
02/28/2002 | US20020023758 Deviated borehole drilling assembly |
02/28/2002 | US20020023757 Deviated borehole drilling assembly |
02/28/2002 | US20020023756 Deviated borehole drilling assembly |
02/28/2002 | US20020023754 Method for drilling multilateral wells and related device |
02/28/2002 | US20020023753 Method for drilling multilateral wells with reduced under-reaming and related device |
02/28/2002 | US20020023747 Deviated borehole drilling assembly |
02/28/2002 | US20020023746 Methods of downhole testing subterranean formations and associated apparatus therefor |
02/28/2002 | US20020023745 Deviated borehole drilling assembly |
02/28/2002 | US20020023569 Pipe racking system track cover |
02/27/2002 | CN2479203Y Brake booster for petroleum dill rig and servicing rig |
02/27/2002 | CN1079879C Drilling device, drilling system and drilling method |
02/26/2002 | US6349769 Apparatus and method for establishing branch wells from a parent well |
02/26/2002 | US6349768 Method and apparatus for all multilateral well entry |
02/26/2002 | US6349767 Disconnect tool |
02/26/2002 | US6349766 Chemical actuation of downhole tools |
02/26/2002 | CA2237093C Portable flare tank for degassing of drilling fluid |
02/21/2002 | US20020020533 Production well telemetry system and method |
02/21/2002 | US20020020531 Method and apparatus for cementing branch wells from a parent well |
02/19/2002 | US6347674 Electrically sequenced tractor |
02/14/2002 | WO2002012113A1 Web-based system and method for evaluating oil and gas properties |
02/14/2002 | US20020017387 Methods of downhole testing subterranean formations and associated apparatus therefor |
02/14/2002 | US20020017386 Methods of downhole testing subterranean formations and associated apparatus therefor |
02/12/2002 | US6345672 Method and apparatus for handling and disposal of oil and gas well drill cuttings |