AU1245270A - Method and apparatus for recovery of minerals from subsurface formations using electricity - Google Patents

Method and apparatus for recovery of minerals from subsurface formations using electricity

Info

Publication number
AU1245270A
AU1245270A AU12452/70A AU1245270A AU1245270A AU 1245270 A AU1245270 A AU 1245270A AU 12452/70 A AU12452/70 A AU 12452/70A AU 1245270 A AU1245270 A AU 1245270A AU 1245270 A AU1245270 A AU 1245270A
Authority
AU
Australia
Prior art keywords
minerals
recovery
electricity
subsurface formations
subsurface
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
AU12452/70A
Inventor
G. Gill William
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electrotherm Icco
Original Assignee
Electrotherm Icco
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Electrotherm Icco filed Critical Electrotherm Icco
Publication of AU1245270A publication Critical patent/AU1245270A/en
Expired legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/16Enhanced recovery methods for obtaining hydrocarbons
    • E21B43/24Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
    • E21B43/2401Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection by means of electricity

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
AU12452/70A 1969-10-08 1970-03-11 Method and apparatus for recovery of minerals from subsurface formations using electricity Expired AU1245270A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US86827769A 1969-10-08 1969-10-08
USUS868,277 1969-10-08

Publications (1)

Publication Number Publication Date
AU1245270A true AU1245270A (en) 1971-09-16

Family

ID=25351356

Family Applications (1)

Application Number Title Priority Date Filing Date
AU12452/70A Expired AU1245270A (en) 1969-10-08 1970-03-11 Method and apparatus for recovery of minerals from subsurface formations using electricity

Country Status (3)

Country Link
US (1) US3547193A (en)
AT (1) AT297632B (en)
AU (1) AU1245270A (en)

Families Citing this family (134)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3620300A (en) * 1970-04-20 1971-11-16 Electrothermic Co Method and apparatus for electrically heating a subsurface formation
US3857776A (en) * 1973-06-14 1974-12-31 Electro Petroleum Deep submersible power electrode assembly for ground conduction of electricity
US4037655A (en) * 1974-04-19 1977-07-26 Electroflood Company Method for secondary recovery of oil
US4199025A (en) * 1974-04-19 1980-04-22 Electroflood Company Method and apparatus for tertiary recovery of oil
US3946809A (en) * 1974-12-19 1976-03-30 Exxon Production Research Company Oil recovery by combination steam stimulation and electrical heating
US3958636A (en) * 1975-01-23 1976-05-25 Atlantic Richfield Company Production of bitumen from a tar sand formation
US4084637A (en) * 1976-12-16 1978-04-18 Petro Canada Exploration Inc. Method of producing viscous materials from subterranean formations
US4303128A (en) * 1979-12-04 1981-12-01 Marr Jr Andrew W Injection well with high-pressure, high-temperature in situ down-hole steam formation
US4463805A (en) * 1982-09-28 1984-08-07 Clark Bingham Method for tertiary recovery of oil
US4495990A (en) * 1982-09-29 1985-01-29 Electro-Petroleum, Inc. Apparatus for passing electrical current through an underground formation
US4886118A (en) * 1983-03-21 1989-12-12 Shell Oil Company Conductively heating a subterranean oil shale to create permeability and subsequently produce oil
US4645004A (en) * 1983-04-29 1987-02-24 Iit Research Institute Electro-osmotic production of hydrocarbons utilizing conduction heating of hydrocarbonaceous formations
US4524827A (en) * 1983-04-29 1985-06-25 Iit Research Institute Single well stimulation for the recovery of liquid hydrocarbons from subsurface formations
US4545435A (en) * 1983-04-29 1985-10-08 Iit Research Institute Conduction heating of hydrocarbonaceous formations
US4484627A (en) * 1983-06-30 1984-11-27 Atlantic Richfield Company Well completion for electrical power transmission
US4522262A (en) * 1983-06-30 1985-06-11 Atlantic Richfield Company Single well electrical oil stimulation
US4730671A (en) * 1983-06-30 1988-03-15 Atlantic Richfield Company Viscous oil recovery using high electrical conductive layers
US4538682A (en) * 1983-09-08 1985-09-03 Mcmanus James W Method and apparatus for removing oil well paraffin
GB2136034B (en) * 1983-09-08 1986-05-14 Zakiewicz Bohdan M Dr Recovering hydrocarbons from mineral oil deposits
US4553592A (en) * 1984-02-09 1985-11-19 Texaco Inc. Method of protecting an RF applicator
US4620592A (en) * 1984-06-11 1986-11-04 Atlantic Richfield Company Progressive sequence for viscous oil recovery
US4662438A (en) * 1985-07-19 1987-05-05 Uentech Corporation Method and apparatus for enhancing liquid hydrocarbon production from a single borehole in a slowly producing formation by non-uniform heating through optimized electrode arrays surrounding the borehole
US4651825A (en) * 1986-05-09 1987-03-24 Atlantic Richfield Company Enhanced well production
US4716960A (en) * 1986-07-14 1988-01-05 Production Technologies International, Inc. Method and system for introducing electric current into a well
US4821798A (en) * 1987-06-09 1989-04-18 Ors Development Corporation Heating system for rathole oil well
US4911239A (en) * 1988-04-20 1990-03-27 Intra-Global Petroleum Reservers, Inc. Method and apparatus for removal of oil well paraffin
US4951748A (en) * 1989-01-30 1990-08-28 Gill William G Technique for electrically heating formations
US5101899A (en) * 1989-12-14 1992-04-07 International Royal & Oil Company Recovery of petroleum by electro-mechanical vibration
US5167280A (en) * 1990-06-24 1992-12-01 Mobil Oil Corporation Single horizontal well process for solvent/solute stimulation
KR100224333B1 (en) * 1991-11-27 1999-10-15 고오사이 아끼오 Process for producing epsilon-caprolactam
US5215149A (en) * 1991-12-16 1993-06-01 Mobil Oil Corporation Single horizontal well conduction assisted steam drive process for removing viscous hydrocarbonaceous fluids
US5255742A (en) * 1992-06-12 1993-10-26 Shell Oil Company Heat injection process
US5297626A (en) * 1992-06-12 1994-03-29 Shell Oil Company Oil recovery process
US5417282A (en) * 1994-02-23 1995-05-23 Nix; Martin E. Use of lightning for extraction of hydrocarbon fuels
US5621844A (en) * 1995-03-01 1997-04-15 Uentech Corporation Electrical heating of mineral well deposits using downhole impedance transformation networks
US6328102B1 (en) 1995-12-01 2001-12-11 John C. Dean Method and apparatus for piezoelectric transport
US5620049A (en) * 1995-12-14 1997-04-15 Atlantic Richfield Company Method for increasing the production of petroleum from a subterranean formation penetrated by a wellbore
US6179523B1 (en) 1995-12-29 2001-01-30 Shell Oil Company Method for pipeline installation
US6264401B1 (en) 1995-12-29 2001-07-24 Shell Oil Company Method for enhancing the flow of heavy crudes through subsea pipelines
US6171025B1 (en) 1995-12-29 2001-01-09 Shell Oil Company Method for pipeline leak detection
US6142707A (en) * 1996-03-26 2000-11-07 Shell Oil Company Direct electric pipeline heating
US6315497B1 (en) 1995-12-29 2001-11-13 Shell Oil Company Joint for applying current across a pipe-in-pipe system
US6112808A (en) * 1997-09-19 2000-09-05 Isted; Robert Edward Method and apparatus for subterranean thermal conditioning
US6199634B1 (en) 1998-08-27 2001-03-13 Viatchelav Ivanovich Selyakov Method and apparatus for controlling the permeability of mineral bearing earth formations
US6698515B2 (en) 2000-04-24 2004-03-02 Shell Oil Company In situ thermal processing of a coal formation using a relatively slow heating rate
US6588504B2 (en) 2000-04-24 2003-07-08 Shell Oil Company In situ thermal processing of a coal formation to produce nitrogen and/or sulfur containing formation fluids
US6715546B2 (en) 2000-04-24 2004-04-06 Shell Oil Company In situ production of synthesis gas from a hydrocarbon containing formation through a heat source wellbore
AU773413B2 (en) 2000-04-24 2004-05-27 Shell Internationale Research Maatschappij B.V. A method for sequestering a fluid within a hydrocarbon containing formation
US6715548B2 (en) 2000-04-24 2004-04-06 Shell Oil Company In situ thermal processing of a hydrocarbon containing formation to produce nitrogen containing formation fluids
US20030075318A1 (en) * 2000-04-24 2003-04-24 Keedy Charles Robert In situ thermal processing of a coal formation using substantially parallel formed wellbores
US6607036B2 (en) * 2001-03-01 2003-08-19 Intevep, S.A. Method for heating subterranean formation, particularly for heating reservoir fluids in near well bore zone
AU2002257221B2 (en) 2001-04-24 2008-12-18 Shell Internationale Research Maatschappij B.V. In situ recovery from a oil shale formation
US6686745B2 (en) 2001-07-20 2004-02-03 Shell Oil Company Apparatus and method for electrical testing of electrically heated pipe-in-pipe pipeline
US6739803B2 (en) 2001-07-20 2004-05-25 Shell Oil Company Method of installation of electrically heated pipe-in-pipe subsea pipeline
US6714018B2 (en) 2001-07-20 2004-03-30 Shell Oil Company Method of commissioning and operating an electrically heated pipe-in-pipe subsea pipeline
US6707012B2 (en) 2001-07-20 2004-03-16 Shell Oil Company Power supply for electrically heated subsea pipeline
US6814146B2 (en) * 2001-07-20 2004-11-09 Shell Oil Company Annulus for electrically heated pipe-in-pipe subsea pipeline
NZ532089A (en) 2001-10-24 2005-09-30 Shell Int Research Installation and use of removable heaters in a hydrocarbon containing formation
US7182132B2 (en) * 2002-01-15 2007-02-27 Independant Energy Partners, Inc. Linearly scalable geothermic fuel cells
US6684948B1 (en) 2002-01-15 2004-02-03 Marshall T. Savage Apparatus and method for heating subterranean formations using fuel cells
US6688900B2 (en) 2002-06-25 2004-02-10 Shell Oil Company Insulating joint for electrically heated pipeline
EP1556580A1 (en) 2002-10-24 2005-07-27 Shell Internationale Researchmaatschappij B.V. Temperature limited heaters for heating subsurface formations or wellbores
US6937030B2 (en) * 2002-11-08 2005-08-30 Shell Oil Company Testing electrical integrity of electrically heated subsea pipelines
NZ543753A (en) 2003-04-24 2008-11-28 Shell Int Research Thermal processes for subsurface formations
CA2563592C (en) 2004-04-23 2013-10-08 Shell Internationale Research Maatschappij B.V. Temperature limited heaters with thermally conductive fluid used to heat subsurface formations
US7575053B2 (en) 2005-04-22 2009-08-18 Shell Oil Company Low temperature monitoring system for subsurface barriers
EP1770242A1 (en) * 2005-09-29 2007-04-04 Nederlandse Organisatie voor Toegepast-Natuuurwetenschappelijk Onderzoek TNO Method and electromagnetic device for causing a fluid flow through a subterranean permeable formation, and borehole provided with such a device
DE602006020314D1 (en) 2005-10-24 2011-04-07 Shell Int Research METHOD FOR FILTRATING A LIQUID FLOW CREATED IN AN IN-SITU HEAT TREATMENT PROCESS
CA2637984C (en) * 2006-01-19 2015-04-07 Pyrophase, Inc. Radio frequency technology heater for unconventional resources
WO2007126676A2 (en) 2006-04-21 2007-11-08 Exxonmobil Upstream Research Company In situ co-development of oil shale with mineral recovery
EP2010751B1 (en) 2006-04-21 2018-12-12 Shell International Research Maatschappij B.V. Temperature limited heaters using phase transformation of ferromagnetic material
CN101636554B (en) 2006-10-13 2014-03-26 埃克森美孚上游研究公司 Improved method of developing subsurface freeze zone by formation fracturing
CN101563524B (en) 2006-10-13 2013-02-27 埃克森美孚上游研究公司 Combined development of oil shale by in situ heating with a deeper hydrocarbon resource
JO2982B1 (en) 2006-10-13 2016-03-15 Exxonmobil Upstream Res Co Optimized well spacing for in situ shale oil development
US7540324B2 (en) 2006-10-20 2009-06-02 Shell Oil Company Heating hydrocarbon containing formations in a checkerboard pattern staged process
CN101636555A (en) * 2007-03-22 2010-01-27 埃克森美孚上游研究公司 Resistive heater for in situ formation heating
WO2008115359A1 (en) 2007-03-22 2008-09-25 Exxonmobil Upstream Research Company Granular electrical connections for in situ formation heating
WO2008131177A1 (en) 2007-04-20 2008-10-30 Shell Oil Company In situ heat treatment of a tar sands formation after drive process treatment
BRPI0810752A2 (en) 2007-05-15 2014-10-21 Exxonmobil Upstream Res Co METHODS FOR IN SITU HEATING OF A RICH ROCK FORMATION IN ORGANIC COMPOUND, IN SITU HEATING OF A TARGETED XISTO TRAINING AND TO PRODUCE A FLUID OF HYDROCARBON, SQUARE FOR A RACHOSETUS ORGANIC BUILDING , AND FIELD TO PRODUCE A HYDROCARBON FLUID FROM A TRAINING RICH IN A TARGET ORGANIC COMPOUND.
CN101680285B (en) 2007-05-15 2013-05-15 埃克森美孚上游研究公司 Downhole burners for in situ conversion of organic-rich rock formations
US8146664B2 (en) 2007-05-25 2012-04-03 Exxonmobil Upstream Research Company Utilization of low BTU gas generated during in situ heating of organic-rich rock
WO2008153697A1 (en) 2007-05-25 2008-12-18 Exxonmobil Upstream Research Company A process for producing hydrocarbon fluids combining in situ heating, a power plant and a gas plant
RU2465624C2 (en) 2007-10-19 2012-10-27 Шелл Интернэшнл Рисерч Маатсхаппий Б.В. Adjustable transformer with switched taps
US8082995B2 (en) 2007-12-10 2011-12-27 Exxonmobil Upstream Research Company Optimization of untreated oil shale geometry to control subsidence
CN102007266B (en) * 2008-04-18 2014-09-10 国际壳牌研究有限公司 Using mines and tunnels for treating subsurface hydrocarbon containing formations system and method
US20090283257A1 (en) * 2008-05-18 2009-11-19 Bj Services Company Radio and microwave treatment of oil wells
WO2009142803A1 (en) 2008-05-23 2009-11-26 Exxonmobil Upstream Research Company Field management for substantially constant composition gas generation
JP5611962B2 (en) 2008-10-13 2014-10-22 シエル・インターナシヨナル・リサーチ・マートスハツペイ・ベー・ヴエー Circulating heat transfer fluid system used to treat ground surface underlayer
AU2010216407B2 (en) 2009-02-23 2014-11-20 Exxonmobil Upstream Research Company Water treatment following shale oil production by in situ heating
US8327932B2 (en) 2009-04-10 2012-12-11 Shell Oil Company Recovering energy from a subsurface formation
US8540020B2 (en) 2009-05-05 2013-09-24 Exxonmobil Upstream Research Company Converting organic matter from a subterranean formation into producible hydrocarbons by controlling production operations based on availability of one or more production resources
US8863839B2 (en) 2009-12-17 2014-10-21 Exxonmobil Upstream Research Company Enhanced convection for in situ pyrolysis of organic-rich rock formations
US8701768B2 (en) 2010-04-09 2014-04-22 Shell Oil Company Methods for treating hydrocarbon formations
US8631866B2 (en) 2010-04-09 2014-01-21 Shell Oil Company Leak detection in circulated fluid systems for heating subsurface formations
US9033042B2 (en) 2010-04-09 2015-05-19 Shell Oil Company Forming bitumen barriers in subsurface hydrocarbon formations
US8833453B2 (en) 2010-04-09 2014-09-16 Shell Oil Company Electrodes for electrical current flow heating of subsurface formations with tapered copper thickness
CN103069105A (en) 2010-08-30 2013-04-24 埃克森美孚上游研究公司 Olefin reduction for in situ pyrolysis oil generation
WO2012030425A1 (en) 2010-08-30 2012-03-08 Exxonmobil Upstream Research Company Wellbore mechanical integrity for in situ pyrolysis
US20120085535A1 (en) * 2010-10-08 2012-04-12 Weijian Mo Methods of heating a subsurface formation using electrically conductive particles
US9016370B2 (en) 2011-04-08 2015-04-28 Shell Oil Company Partial solution mining of hydrocarbon containing layers prior to in situ heat treatment
CN103958824B (en) 2011-10-07 2016-10-26 国际壳牌研究有限公司 Regulate for heating the thermal expansion of the circulation of fluid system of subsurface formations
US9080441B2 (en) 2011-11-04 2015-07-14 Exxonmobil Upstream Research Company Multiple electrical connections to optimize heating for in situ pyrolysis
CN104428489A (en) 2012-01-23 2015-03-18 吉尼Ip公司 Heater pattern for in situ thermal processing of a subsurface hydrocarbon containing formation
US8770284B2 (en) 2012-05-04 2014-07-08 Exxonmobil Upstream Research Company Systems and methods of detecting an intersection between a wellbore and a subterranean structure that includes a marker material
US9512699B2 (en) 2013-10-22 2016-12-06 Exxonmobil Upstream Research Company Systems and methods for regulating an in situ pyrolysis process
US9394772B2 (en) 2013-11-07 2016-07-19 Exxonmobil Upstream Research Company Systems and methods for in situ resistive heating of organic matter in a subterranean formation
CA2967325C (en) 2014-11-21 2019-06-18 Exxonmobil Upstream Research Company Method of recovering hydrocarbons within a subsurface formation
CA3212909A1 (en) * 2015-04-03 2016-10-06 Rama Rau YELUNDUR Apparatus and method of focused in-situ electrical heating of hydrocarbon bearing formations
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Also Published As

Publication number Publication date
US3547193A (en) 1970-12-15
AT297632B (en) 1972-04-10

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