ZA766355B - Recovery of hydrocarbons from coal - Google Patents

Recovery of hydrocarbons from coal

Info

Publication number
ZA766355B
ZA766355B ZA00766355A ZA766355A ZA766355B ZA 766355 B ZA766355 B ZA 766355B ZA 00766355 A ZA00766355 A ZA 00766355A ZA 766355 A ZA766355 A ZA 766355A ZA 766355 B ZA766355 B ZA 766355B
Authority
ZA
South Africa
Prior art keywords
coal
hydrocarbons
recovery
Prior art date
Application number
ZA00766355A
Other languages
English (en)
Inventor
G Arnold
M Gibson
R Pennington
Original Assignee
Exxon Research Engineering Co
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 Exxon Research Engineering Co filed Critical Exxon Research Engineering Co
Publication of ZA766355B publication Critical patent/ZA766355B/xx

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
    • E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
    • E21B43/243—Combustion in situ
    • E21B43/247—Combustion in situ in association with fracturing processes or crevice forming processes
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
    • E21B43/18—Repressuring or vacuum methods
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/34—Arrangements for separating materials produced by the well
    • E21B43/40—Separation associated with re-injection of separated materials
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S48/00—Gas: heating and illuminating
    • Y10S48/06—Underground gasification of coal

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)
  • Solid Fuels And Fuel-Associated Substances (AREA)
ZA00766355A 1976-01-22 1976-10-25 Recovery of hydrocarbons from coal ZA766355B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/651,661 US3999607A (en) 1976-01-22 1976-01-22 Recovery of hydrocarbons from coal

Publications (1)

Publication Number Publication Date
ZA766355B true ZA766355B (en) 1978-01-25

Family

ID=24613701

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00766355A ZA766355B (en) 1976-01-22 1976-10-25 Recovery of hydrocarbons from coal

Country Status (7)

Country Link
US (1) US3999607A (xx)
BE (1) BE849005A (xx)
CA (1) CA1056302A (xx)
DE (1) DE2652213A1 (xx)
FR (1) FR2338987A1 (xx)
GB (1) GB1558381A (xx)
ZA (1) ZA766355B (xx)

Families Citing this family (134)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4089374A (en) * 1976-12-16 1978-05-16 In Situ Technology, Inc. Producing methane from coal in situ
US4169506A (en) * 1977-07-15 1979-10-02 Standard Oil Company (Indiana) In situ retorting of oil shale and energy recovery
NL181941C (nl) * 1977-09-16 1987-12-01 Ir Arnold Willem Josephus Grup Werkwijze voor het ondergronds vergassen van steenkool of bruinkool.
US4114688A (en) * 1977-12-05 1978-09-19 In Situ Technology Inc. Minimizing environmental effects in production and use of coal
NL7713455A (nl) * 1977-12-06 1979-06-08 Stamicarbon Werkwijze voor het in situ winnen van kool.
NL7800005A (nl) * 1978-01-02 1979-07-04 Stamicarbon Werkwijze voor het in situ winnen van methaan uit zich op grote diepte bevindende koollagen.
US4185693A (en) * 1978-06-07 1980-01-29 Conoco, Inc. Oil shale retorting from a high porosity cavern
DE2916914A1 (de) * 1979-04-26 1980-11-06 Saarberg Interplan Gmbh Verfahren zur untertage-vergasung von kohle
US4378949A (en) * 1979-07-20 1983-04-05 Gulf Oil Corporation Production of shale oil by in-situ retorting of oil shale
CA1140457A (en) * 1979-10-19 1983-02-01 Noval Technologies Ltd. Method for recovering methane from coal seams
US4303127A (en) * 1980-02-11 1981-12-01 Gulf Research & Development Company Multistage clean-up of product gas from underground coal gasification
US4512403A (en) * 1980-08-01 1985-04-23 Air Products And Chemicals, Inc. In situ coal gasification
US4366864A (en) * 1980-11-24 1983-01-04 Exxon Research And Engineering Co. Method for recovery of hydrocarbons from oil-bearing limestone or dolomite
NL8006485A (nl) * 1980-11-28 1982-06-16 Ir Arnold Willem Josephus Grup Werkwijze voor het ondergronds vergassen van steen- of bruinkool.
US4522260A (en) * 1982-04-08 1985-06-11 Atlantic Richfield Company Method for creating a zone of increased permeability in hydrocarbon-containing subterranean formation penetrated by a plurality of wellbores
US4446918A (en) * 1982-04-08 1984-05-08 Atlantic Richfield Company Method for initiating combustion in a subterranean carbonaceous deposit
US4480689A (en) * 1982-12-06 1984-11-06 Atlantic Richfield Company Block pattern method for in situ gasification of subterranean carbonaceous deposits
US4461349A (en) * 1982-12-06 1984-07-24 Atlantic Richfield Company Long-line-drive pattern for in situ gasification of subterranean carbonaceous deposits
US4544037A (en) * 1984-02-21 1985-10-01 In Situ Technology, Inc. Initiating production of methane from wet coal beds
US5770436A (en) * 1992-08-07 1998-06-23 Erc, Inc. Treatment for contaminated material
US5501973A (en) * 1992-08-07 1996-03-26 Mayfield; Thomas B. Treatment for contaminated material
US6015535A (en) 1995-04-06 2000-01-18 Cabot Corporation Process for producing purified cesium compound from cesium alum
US5865248A (en) * 1996-01-31 1999-02-02 Vastar Resources, Inc. Chemically induced permeability enhancement of subterranean coal 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
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
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
ATE315715T1 (de) 2000-04-24 2006-02-15 Shell Int Research Vorrichtung und verfahren zur behandlung von erdöllagerstätten
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
ATE313696T1 (de) * 2000-04-24 2006-01-15 Shell Int Research Elektrische bohrlochheizvorrichtung und verfahren
US6918442B2 (en) 2001-04-24 2005-07-19 Shell Oil Company In situ thermal processing of an oil shale formation in a reducing environment
CA2462971C (en) 2001-10-24 2015-06-09 Shell Canada Limited Installation and use of removable heaters in a hydrocarbon containing formation
US8200072B2 (en) 2002-10-24 2012-06-12 Shell Oil Company Temperature limited heaters for heating subsurface formations or wellbores
NZ543753A (en) 2003-04-24 2008-11-28 Shell Int Research Thermal processes for subsurface formations
US20080087420A1 (en) 2006-10-13 2008-04-17 Kaminsky Robert D Optimized well spacing for in situ shale oil development
AU2005238941B2 (en) * 2004-04-23 2008-11-13 Shell Internationale Research Maatschappij B.V. Temperature limited heaters used to heat subsurface formations
US20060042794A1 (en) * 2004-09-01 2006-03-02 Pfefferle William C Method for high temperature steam
US7860377B2 (en) 2005-04-22 2010-12-28 Shell Oil Company Subsurface connection methods for subsurface heaters
US7559373B2 (en) * 2005-06-02 2009-07-14 Sanjel Corporation Process for fracturing a subterranean formation
US8114176B2 (en) 2005-10-12 2012-02-14 Great Point Energy, Inc. Catalytic steam gasification of petroleum coke to methane
AU2006306476B2 (en) 2005-10-24 2010-08-19 Shell Internationale Research Maatschappij B.V. Methods of cracking a crude product to produce additional crude products
US7431083B2 (en) * 2006-04-13 2008-10-07 Schlumberger Technology Corporation Sub-surface coalbed methane well enhancement through rapid oxidation
US7644993B2 (en) 2006-04-21 2010-01-12 Exxonmobil Upstream Research Company In situ co-development of oil shale with mineral recovery
EP2010754A4 (en) 2006-04-21 2016-02-24 Shell Int Research ADJUSTING ALLOY COMPOSITIONS FOR SELECTED CHARACTERISTICS IN TEMPERATURE-LIMITED HEATERS
US7922782B2 (en) * 2006-06-01 2011-04-12 Greatpoint Energy, Inc. Catalytic steam gasification process with recovery and recycle of alkali metal compounds
WO2008076147A2 (en) * 2006-06-19 2008-06-26 Zornes David A Building made of hexagonal layers
JO2771B1 (en) 2006-10-13 2014-03-15 ايكسون موبيل ابستريم ريسيرتش كومباني Joint development of shale oil through in situ heating using deeper hydrocarbon sources
AU2007313391B2 (en) 2006-10-13 2013-03-28 Exxonmobil Upstream Research Company Improved method of developing subsurface freeze zone
RU2447275C2 (ru) 2006-10-20 2012-04-10 Шелл Интернэшнл Рисерч Маатсхаппий Б.В. Нагревание пластов битуминозных песков с регулированием давления
BRPI0808508A2 (pt) 2007-03-22 2014-08-19 Exxonmobil Upstream Res Co Métodos para aquecer uma formação de subsuperfície e uma formação rochosa rica em compostos orgânicos, e, método para produzir um fluido de hidrocarboneto
AU2008227167B2 (en) 2007-03-22 2013-08-01 Exxonmobil Upstream Research Company Granular electrical connections for in situ formation heating
AU2008242797B2 (en) 2007-04-20 2011-07-14 Shell Internationale Research Maatschappij B.V. In situ recovery from residually heated sections in a hydrocarbon containing formation
CN101680284B (zh) 2007-05-15 2013-05-15 埃克森美孚上游研究公司 用于原位转化富含有机物岩层的井下燃烧器井
AU2008253753B2 (en) 2007-05-15 2013-10-17 Exxonmobil Upstream Research Company 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
US20080290719A1 (en) * 2007-05-25 2008-11-27 Kaminsky Robert D Process for producing Hydrocarbon fluids combining in situ heating, a power plant and a gas plant
CN105062563A (zh) 2007-08-02 2015-11-18 格雷特波因特能源公司 负载催化剂的煤组合物，制造方法和用途
CN101835526A (zh) * 2007-09-27 2010-09-15 福布斯油气私人有限公司 一种将二氧化碳固定为碳酸盐的方法
WO2009052054A1 (en) 2007-10-19 2009-04-23 Shell Oil Company Systems, methods, and processes utilized for treating subsurface formations
US8082995B2 (en) 2007-12-10 2011-12-27 Exxonmobil Upstream Research Company Optimization of untreated oil shale geometry to control subsidence
CN101910375B (zh) 2007-12-28 2014-11-05 格雷特波因特能源公司 用于碳质原料的催化气化的蒸汽发生浆液气化器
CA2713661C (en) 2007-12-28 2013-06-11 Greatpoint Energy, Inc. Process of making a syngas-derived product via catalytic gasification of a carbonaceous feedstock
CA2709924C (en) 2007-12-28 2013-04-02 Greatpoint Energy, Inc. Catalytic gasification process with recovery of alkali metal from char
WO2009086377A2 (en) 2007-12-28 2009-07-09 Greatpoint Energy, Inc. Catalytic gasification process with recovery of alkali metal from char
US8709113B2 (en) 2008-02-29 2014-04-29 Greatpoint Energy, Inc. Steam generation processes utilizing biomass feedstocks
US8297542B2 (en) 2008-02-29 2012-10-30 Greatpoint Energy, Inc. Coal compositions for catalytic gasification
US8361428B2 (en) 2008-02-29 2013-01-29 Greatpoint Energy, Inc. Reduced carbon footprint steam generation processes
US8114177B2 (en) 2008-02-29 2012-02-14 Greatpoint Energy, Inc. Co-feed of biomass as source of makeup catalysts for catalytic coal gasification
US8652222B2 (en) 2008-02-29 2014-02-18 Greatpoint Energy, Inc. Biomass compositions for catalytic gasification
US8366795B2 (en) 2008-02-29 2013-02-05 Greatpoint Energy, Inc. Catalytic gasification particulate compositions
US8286901B2 (en) 2008-02-29 2012-10-16 Greatpoint Energy, Inc. Coal compositions for catalytic gasification
CN101959996B (zh) 2008-02-29 2013-10-30 格雷特波因特能源公司 用于气化作用的颗粒状组合物及其制备和连续转化
US7926750B2 (en) 2008-02-29 2011-04-19 Greatpoint Energy, Inc. Compactor feeder
US8999020B2 (en) 2008-04-01 2015-04-07 Greatpoint Energy, Inc. Processes for the separation of methane from a gas stream
CN101983228A (zh) 2008-04-01 2011-03-02 格雷特波因特能源公司 从气流中除去一氧化碳的酸性变换方法
AU2009251533B2 (en) 2008-04-18 2012-08-23 Shell Internationale Research Maatschappij B.V. Using mines and tunnels for treating subsurface hydrocarbon containing formations
AU2009249493B2 (en) 2008-05-23 2015-05-07 Exxonmobil Upstream Research Company Field management for substantially constant composition gas generation
GB0816432D0 (en) * 2008-09-08 2008-10-15 Iris Forskningsinvest As Process
CN102159687B (zh) 2008-09-19 2016-06-08 格雷特波因特能源公司 使用炭甲烷化催化剂的气化方法
WO2010033852A2 (en) 2008-09-19 2010-03-25 Greatpoint Energy, Inc. Processes for gasification of a carbonaceous feedstock
KR101290477B1 (ko) 2008-09-19 2013-07-29 그레이트포인트 에너지, 인크. 탄소질 공급원료의 기체화 방법
BRPI0920141A2 (pt) 2008-10-13 2017-06-27 Shell Int Research sistema e método para tratar uma formação de subsuperfície.
CN102197117B (zh) 2008-10-23 2014-12-24 格雷特波因特能源公司 碳质原料的气化方法
WO2010078297A1 (en) 2008-12-30 2010-07-08 Greatpoint Energy, Inc. Processes for preparing a catalyzed carbonaceous particulate
CN102272268B (zh) 2008-12-30 2014-07-23 格雷特波因特能源公司 制备催化的煤微粒的方法
WO2010096210A1 (en) 2009-02-23 2010-08-26 Exxonmobil Upstream Research Company Water treatment following shale oil production by in situ heating
US20100251728A1 (en) * 2009-04-06 2010-10-07 Uselton Larry F Transportable electric generator plant fired by unprocessed coal being burned underground and producing non-vented gases
CA2758192A1 (en) 2009-04-10 2010-10-14 Shell Internationale Research Maatschappij B.V. Treatment methodologies for subsurface hydrocarbon containing formations
WO2010129174A1 (en) 2009-05-05 2010-11-11 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
US8728182B2 (en) 2009-05-13 2014-05-20 Greatpoint Energy, Inc. Processes for hydromethanation of a carbonaceous feedstock
US8268899B2 (en) 2009-05-13 2012-09-18 Greatpoint Energy, Inc. Processes for hydromethanation of a carbonaceous feedstock
US8728183B2 (en) 2009-05-13 2014-05-20 Greatpoint Energy, Inc. Processes for hydromethanation of a carbonaceous feedstock
US9482077B2 (en) * 2009-09-22 2016-11-01 Baker Hughes Incorporated Method for controlling fluid production from a wellbore by using a script
CN102667057B (zh) 2009-10-19 2014-10-22 格雷特波因特能源公司 整合的强化采油方法
AU2010310849B2 (en) 2009-10-19 2013-05-02 Greatpoint Energy, Inc. Integrated enhanced oil recovery process
US8347965B2 (en) * 2009-11-10 2013-01-08 Sanjel Corporation Apparatus and method for creating pressure pulses in a wellbore
US8863839B2 (en) 2009-12-17 2014-10-21 Exxonmobil Upstream Research Company Enhanced convection for in situ pyrolysis of organic-rich rock formations
CA2780375A1 (en) 2009-12-17 2011-07-14 Greatpoint Energy, Inc. Integrated enhanced oil recovery process
CN101775974B (zh) * 2010-01-28 2012-10-24 郑州大学 对接井水力运移卸压开采煤层气方法
US8669013B2 (en) 2010-02-23 2014-03-11 Greatpoint Energy, Inc. Integrated hydromethanation fuel cell power generation
US20130061592A1 (en) * 2010-03-01 2013-03-14 Jayant Chandulal Mehta Process for Maximization and Optimization of Coal Energy
US8652696B2 (en) 2010-03-08 2014-02-18 Greatpoint Energy, Inc. Integrated hydromethanation fuel cell power generation
US9033042B2 (en) 2010-04-09 2015-05-19 Shell Oil Company Forming bitumen barriers in subsurface hydrocarbon formations
US8631866B2 (en) 2010-04-09 2014-01-21 Shell Oil Company Leak detection in circulated fluid systems for heating subsurface formations
US8820406B2 (en) 2010-04-09 2014-09-02 Shell Oil Company Electrodes for electrical current flow heating of subsurface formations with conductive material in wellbore
US8701768B2 (en) 2010-04-09 2014-04-22 Shell Oil Company Methods for treating hydrocarbon formations
AU2011248701B2 (en) 2010-04-26 2013-09-19 Greatpoint Energy, Inc. Hydromethanation of a carbonaceous feedstock with vanadium recovery
CA2793893A1 (en) 2010-05-28 2011-12-01 Greatpoint Energy, Inc. Conversion of liquid heavy hydrocarbon feedstocks to gaseous products
CA2806673A1 (en) 2010-08-18 2012-02-23 Greatpoint Energy, Inc. Hydromethanation of a carbonaceous feedstock
BR112013000931A2 (pt) 2010-08-30 2016-05-17 Exxonmobil Upstream Res Co integridade mecânica de poço para a pirólise in situ
WO2012030426A1 (en) 2010-08-30 2012-03-08 Exxonmobil Upstream Research Company Olefin reduction for in situ pyrolysis oil generation
CA2815243A1 (en) 2010-11-01 2012-05-10 Greatpoint Energy, Inc. Hydromethanation of a carbonaceous feedstock
CN103391989B (zh) 2011-02-23 2015-03-25 格雷特波因特能源公司 伴有镍回收的碳质原料加氢甲烷化
US9016370B2 (en) 2011-04-08 2015-04-28 Shell Oil Company Partial solution mining of hydrocarbon containing layers prior to in situ heat treatment
WO2012166879A1 (en) 2011-06-03 2012-12-06 Greatpoint Energy, Inc. Hydromethanation of a carbonaceous feedstock
CN103974897A (zh) 2011-10-06 2014-08-06 格雷特波因特能源公司 碳质原料的加氢甲烷化
US9309755B2 (en) 2011-10-07 2016-04-12 Shell Oil Company Thermal expansion accommodation for circulated fluid systems used to heat subsurface formations
AU2012332851B2 (en) 2011-11-04 2016-07-21 Exxonmobil Upstream Research Company Multiple electrical connections to optimize heating for in situ pyrolysis
US9051816B2 (en) 2011-12-15 2015-06-09 Linc Energy Ltd UCG channel
CA2862463A1 (en) 2012-01-23 2013-08-01 Genie Ip B.V. Heater pattern for in situ thermal processing of a subsurface hydrocarbon containing formation
WO2013165711A1 (en) 2012-05-04 2013-11-07 Exxonmobil Upstream Research Company Systems and methods of detecting an intersection between a wellbore and a subterranean structure that includes a marker material
KR101576781B1 (ko) 2012-10-01 2015-12-10 그레이트포인트 에너지, 인크. 응집된 미립자 저등급 석탄 공급원료 및 그의 용도
CN104685039B (zh) 2012-10-01 2016-09-07 格雷特波因特能源公司 附聚的颗粒状低煤阶煤原料及其用途
CN104704204B (zh) 2012-10-01 2017-03-08 格雷特波因特能源公司 用于从原始的低煤阶煤原料产生蒸汽的方法
US9273260B2 (en) 2012-10-01 2016-03-01 Greatpoint Energy, Inc. Agglomerated particulate low-rank coal feedstock and uses thereof
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
US9644466B2 (en) 2014-11-21 2017-05-09 Exxonmobil Upstream Research Company Method of recovering hydrocarbons within a subsurface formation using electric current
WO2016205006A1 (en) * 2015-06-15 2016-12-22 Halliburton Energy Services, Inc. Igniting underground energy sources
CN107476783B (zh) * 2016-06-08 2019-09-06 中国石油天然气股份有限公司 一种底板发育糜棱煤的煤层气储层改造方法
US10464872B1 (en) 2018-07-31 2019-11-05 Greatpoint Energy, Inc. Catalytic gasification to produce methanol
US10344231B1 (en) 2018-10-26 2019-07-09 Greatpoint Energy, Inc. Hydromethanation of a carbonaceous feedstock with improved carbon utilization
US10435637B1 (en) 2018-12-18 2019-10-08 Greatpoint Energy, Inc. Hydromethanation of a carbonaceous feedstock with improved carbon utilization and power generation
US10618818B1 (en) 2019-03-22 2020-04-14 Sure Champion Investment Limited Catalytic gasification to produce ammonia and urea
WO2022130032A1 (en) * 2020-12-18 2022-06-23 Jayant Chandulal Mehta A process for controlled in-situ coal gasification and a filling device to operate the same

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US947608A (en) * 1906-12-27 1910-01-25 Anson G Betts Method of utilizing buried coal.
US1913395A (en) * 1929-11-14 1933-06-13 Lewis C Karrick Underground gasification of carbonaceous material-bearing substances
US2595979A (en) * 1949-01-25 1952-05-06 Texas Co Underground liquefaction of coal
US3001775A (en) * 1958-12-08 1961-09-26 Ohio Oil Company Vertical flow process for in situ retorting of oil shale
US3010707A (en) * 1959-07-20 1961-11-28 Phillips Petroleum Co Recovery of resins and hydrocarbons from resinous type coals
US3223158A (en) * 1962-12-10 1965-12-14 Socony Mobil Oil Co Inc In situ retorting of oil shale
US3233668A (en) * 1963-11-15 1966-02-08 Exxon Production Research Co Recovery of shale oil
US3465819A (en) * 1967-02-13 1969-09-09 American Oil Shale Corp Use of nuclear detonations in producing hydrocarbons from an underground formation
US3616855A (en) * 1970-07-23 1971-11-02 New Mexico Tech Res Found Method of bulking or caving a volume of subsurface material
US3734184A (en) * 1971-06-18 1973-05-22 Cities Service Oil Co Method of in situ coal gasification
US3924680A (en) * 1975-04-23 1975-12-09 In Situ Technology Inc Method of pyrolysis of coal in situ

Also Published As

Publication number Publication date
CA1056302A (en) 1979-06-12
US3999607A (en) 1976-12-28
BE849005A (fr) 1977-06-02
FR2338987B1 (xx) 1983-06-17
DE2652213A1 (de) 1977-07-28
AU1868976A (en) 1978-04-20
FR2338987A1 (fr) 1977-08-19
GB1558381A (en) 1979-12-28

Similar Documents

Publication Publication Date Title
ZA766355B (en) Recovery of hydrocarbons from coal
JPS52150402A (en) Method of making hydrocarbon from coal
ZA771186B (en) Coal oil mixtures
JPS5369202A (en) Coal liquefaction
JPS531202A (en) Method of liquefying coal
JPS52151710A (en) Recovery of antithrombin3
JPS5313606A (en) Liquefaction of coal
JPS5369201A (en) Method of liquefying coal
JPS5382804A (en) Coal liquefaction
JPS5371106A (en) Liquefaction of coal
AU508679B2 (en) Coal liquefaction
JPS52122620A (en) Recovery of immunoglobulin
AU2335277A (en) The extraction of ash substances from high ash coal
GB1543457A (en) Coal deashing process having solvent recovery techniques
ZA774523B (en) Coal liquefaction
JPS5323803A (en) Method of collecting coal from end of mine
JPS52142703A (en) Hydrogenation of coal
GB2066936B (en) Hydrocarbon recovery
GB1543456A (en) Coal deashing process
JPS5371105A (en) Method of liquefying coal
JPS5385801A (en) Separation of sulfure from coal
JPS54139802A (en) Recovery of finely divided coal
JPS5312905A (en) Deslufurization method of hydrocarbons
AU520963B2 (en) Recovery of liquid hydrocarbons from coal
AU496532B2 (en) Recovery of hydrocarbons from coal