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 (de)
BE (1) BE849005A (de)
CA (1) CA1056302A (de)
DE (1) DE2652213A1 (de)
FR (1) FR2338987A1 (de)
GB (1) GB1558381A (de)
ZA (1) ZA766355B (de)

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.
US4446918A (en) * 1982-04-08 1984-05-08 Atlantic Richfield Company Method for initiating combustion in a subterranean carbonaceous deposit
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
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
WO2001081240A2 (en) 2000-04-24 2001-11-01 Shell Internationale Research Maatschappij B.V. In-situ heating of coal formation to produce fluid
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
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
NZ522209A (en) * 2000-04-24 2004-04-30 Shell Int Research A method for treating a hydrocarbon containing formation in-situ by pyrolysing hydrocarbons present in the formation in the presence of hydrogen at a partial pressure of at least 0.1 bar and at most 50 bar
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
US7051811B2 (en) 2001-04-24 2006-05-30 Shell Oil Company In situ thermal processing through an open wellbore in an oil shale formation
WO2003036037A2 (en) 2001-10-24 2003-05-01 Shell Internationale Research Maatschappij B.V. Installation and use of removable heaters in a hydrocarbon containing formation
WO2004038175A1 (en) 2002-10-24 2004-05-06 Shell Internationale Research Maatschappij B.V. Inhibiting wellbore deformation during in situ thermal processing of a hydrocarbon containing formation
NZ567052A (en) 2003-04-24 2009-11-27 Shell Int Research Thermal process for subsurface formations
US20080087420A1 (en) 2006-10-13 2008-04-17 Kaminsky Robert D Optimized well spacing for in situ shale oil development
CA2579496A1 (en) 2004-04-23 2005-11-03 Shell Internationale Research Maatschappij B.V. Subsurface electrical heaters using nitride insulation
US20060042794A1 (en) * 2004-09-01 2006-03-02 Pfefferle William C Method for high temperature steam
US7986869B2 (en) * 2005-04-22 2011-07-26 Shell Oil Company Varying properties along lengths of temperature limited 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
GB2451311A (en) 2005-10-24 2009-01-28 Shell Int Research Systems,methods and processes for use in treating subsurface formations
US7431083B2 (en) * 2006-04-13 2008-10-07 Schlumberger Technology Corporation Sub-surface coalbed methane well enhancement through rapid oxidation
EP2010754A4 (de) 2006-04-21 2016-02-24 Shell Int Research Einstellende legierungszusammensetzungen für ausgewählte eigenschaften in temperaturbegrenzten heizern
WO2007126676A2 (en) 2006-04-21 2007-11-08 Exxonmobil Upstream Research Company In situ co-development of oil shale with mineral recovery
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
AU2007313393B2 (en) 2006-10-13 2013-08-15 Exxonmobil Upstream Research Company Improved method of developing a subsurface freeze zone using formation fractures
US8151884B2 (en) 2006-10-13 2012-04-10 Exxonmobil Upstream Research Company Combined development of oil shale by in situ heating with a deeper hydrocarbon resource
US7540324B2 (en) 2006-10-20 2009-06-02 Shell Oil Company Heating hydrocarbon containing formations in a checkerboard pattern staged process
US8622133B2 (en) 2007-03-22 2014-01-07 Exxonmobil Upstream Research Company Resistive heater for in situ formation heating
CA2675780C (en) 2007-03-22 2015-05-26 Exxonmobil Upstream Research Company Granular electrical connections for in situ formation heating
WO2008131182A1 (en) 2007-04-20 2008-10-30 Shell Oil Company Controlling and assessing pressure conditions during treatment of tar sands formations
BRPI0810752A2 (pt) 2007-05-15 2014-10-21 Exxonmobil Upstream Res Co Métodos para o aquecimento in situ de uma formação rochosa rica em composto orgânico, para o aquecimento in situ de uma formação alvejada de xisto oleoso e para produzir um fluido de hidrocarboneto, poço aquecedor para o aquecimento in situ de uma formação rochosa rica em composto orgânico alvejada, e, campo para produzir um fluido de hidrocarboneto a partir de uma formação rica em composto orgânico alvejada.
BRPI0810761A2 (pt) 2007-05-15 2014-10-21 Exxonmobil Upstream Res Co Método para o aquecimento in situ de uma porção selecionada de uma formação rochosa rica em composto orgânico, e para produzir um fluído de hidrocarboneto, e, poço aquecedor.
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
CA2686830C (en) 2007-05-25 2015-09-08 Exxonmobil Upstream Research Company A process for producing hydrocarbon fluids combining in situ heating, a power plant and a gas plant
CA2697355C (en) 2007-08-02 2012-10-02 Greatpoint Energy, Inc. Catalyst-loaded coal compositions, methods of making and use
CA2700939A1 (en) * 2007-09-27 2009-04-02 Forbes Oil And Gas Pty Ltd Carbon dioxide fixation to carbonates
EP2198118A1 (de) 2007-10-19 2010-06-23 Shell Internationale Research Maatschappij B.V. Irreguläre beabstandung von wärmequellen zur bearbeitung kohlenwasserstoffhaltiger formationen
US8082995B2 (en) 2007-12-10 2011-12-27 Exxonmobil Upstream Research Company Optimization of untreated oil shale geometry to control subsidence
US7901644B2 (en) 2007-12-28 2011-03-08 Greatpoint Energy, Inc. Catalytic gasification process with recovery of alkali metal from char
CA2709924C (en) 2007-12-28 2013-04-02 Greatpoint Energy, Inc. Catalytic gasification process with recovery of alkali metal from char
WO2009086407A2 (en) 2007-12-28 2009-07-09 Greatpoint Energy, Inc. Steam generating slurry gasifier for the catalytic gasification of a carbonaceous feedstock
CN101910371B (zh) 2007-12-28 2014-04-02 格雷特波因特能源公司 用于制备合成气衍生产物的方法
US8297542B2 (en) 2008-02-29 2012-10-30 Greatpoint Energy, Inc. Coal compositions for catalytic gasification
US20090217575A1 (en) 2008-02-29 2009-09-03 Greatpoint Energy, Inc. Biomass Char Compositions for Catalytic Gasification
US7926750B2 (en) 2008-02-29 2011-04-19 Greatpoint Energy, Inc. Compactor feeder
US8114177B2 (en) 2008-02-29 2012-02-14 Greatpoint Energy, Inc. Co-feed of biomass as source of makeup catalysts for catalytic coal 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
US8349039B2 (en) 2008-02-29 2013-01-08 Greatpoint Energy, Inc. Carbonaceous fines recycle
WO2009111331A2 (en) 2008-02-29 2009-09-11 Greatpoint Energy, Inc. Steam generation processes utilizing biomass feedstocks
US8361428B2 (en) 2008-02-29 2013-01-29 Greatpoint Energy, Inc. Reduced carbon footprint steam generation processes
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
CN101981163B (zh) 2008-04-01 2014-04-16 格雷特波因特能源公司 从气体物流中分离甲烷的方法
CA2718767C (en) 2008-04-18 2016-09-06 Shell Internationale Research Maatschappij B.V. Using mines and tunnels for treating subsurface hydrocarbon containing formations
WO2009142803A1 (en) 2008-05-23 2009-11-26 Exxonmobil Upstream Research Company Field management for substantially constant composition gas generation
GB0816432D0 (en) * 2008-09-08 2008-10-15 Iris Forskningsinvest As Process
KR101330894B1 (ko) 2008-09-19 2013-11-18 그레이트포인트 에너지, 인크. 차르 메탄화 촉매를 사용한 기체화 방법
AU2009293087B2 (en) 2008-09-19 2012-11-15 Sure Champion Investment Limited Processes for gasification of a carbonaceous feedstock
KR101290477B1 (ko) 2008-09-19 2013-07-29 그레이트포인트 에너지, 인크. 탄소질 공급원료의 기체화 방법
US20100101783A1 (en) 2008-10-13 2010-04-29 Vinegar Harold J Using self-regulating nuclear reactors in treating a subsurface formation
WO2010048493A2 (en) 2008-10-23 2010-04-29 Greatpoint Energy, Inc. Processes for gasification of a carbonaceous feedstock
US8734547B2 (en) 2008-12-30 2014-05-27 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
WO2010118315A1 (en) 2009-04-10 2010-10-14 Shell Oil Company Treatment methodologies for subsurface hydrocarbon containing formations
BRPI1015966A2 (pt) 2009-05-05 2016-05-31 Exxonmobil Upstream Company "método para tratar uma formação subterrânea, e, meio de armazenamento legível por computador."
US8268899B2 (en) 2009-05-13 2012-09-18 Greatpoint Energy, Inc. Processes for hydromethanation of a carbonaceous feedstock
WO2010132549A2 (en) 2009-05-13 2010-11-18 Greatpoint Energy, Inc. Processes for hydromethanation of a carbonaceous feedstock
US8728182B2 (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
CA2773718C (en) 2009-10-19 2014-05-13 Greatpoint Energy, Inc. Integrated enhanced oil recovery process
US8479834B2 (en) 2009-10-19 2013-07-09 Greatpoint Energy, Inc. Integrated enhanced oil recovery process
CA2689038C (en) * 2009-11-10 2011-09-13 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
AU2010339952B8 (en) 2009-12-17 2013-12-19 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
US8631866B2 (en) 2010-04-09 2014-01-21 Shell Oil Company Leak detection in circulated fluid systems for heating subsurface formations
US9127523B2 (en) 2010-04-09 2015-09-08 Shell Oil Company Barrier methods for use in subsurface hydrocarbon formations
US8875788B2 (en) 2010-04-09 2014-11-04 Shell Oil Company Low temperature inductive heating of subsurface formations
US8701768B2 (en) 2010-04-09 2014-04-22 Shell Oil Company Methods for treating hydrocarbon formations
KR101440710B1 (ko) 2010-04-26 2014-09-17 그레이트포인트 에너지, 인크. 바나듐 회수를 동반한 탄소질 공급원료의 히드로메탄화
US8653149B2 (en) 2010-05-28 2014-02-18 Greatpoint Energy, Inc. Conversion of liquid heavy hydrocarbon feedstocks to gaseous products
KR101424941B1 (ko) 2010-08-18 2014-08-01 그레이트포인트 에너지, 인크. 탄소질 공급원료의 히드로메탄화
US8616280B2 (en) 2010-08-30 2013-12-31 Exxonmobil Upstream Research Company Wellbore mechanical integrity for in situ pyrolysis
CA2806174C (en) 2010-08-30 2017-01-31 Exxonmobil Upstream Research Company Olefin reduction for in situ pyrolysis oil generation
EP2635662A1 (de) 2010-11-01 2013-09-11 Greatpoint Energy, Inc. Hydromethanierung eines kohlenstoffhaltigen rohstoffes
US8648121B2 (en) 2011-02-23 2014-02-11 Greatpoint Energy, Inc. Hydromethanation of a carbonaceous feedstock with nickel recovery
US9016370B2 (en) 2011-04-08 2015-04-28 Shell Oil Company Partial solution mining of hydrocarbon containing layers prior to in situ heat treatment
CN103582693A (zh) 2011-06-03 2014-02-12 格雷特波因特能源公司 碳质原料的加氢甲烷化
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
WO2013066772A1 (en) 2011-11-04 2013-05-10 Exxonmobil Upstream Research Company Multiple electrical connections to optimize heating for in situ pyrolysis
AU2012350391B2 (en) * 2011-12-15 2016-11-03 Linc Energy Ltd UCG channel
AU2012367347A1 (en) 2012-01-23 2014-08-28 Genie Ip B.V. Heater pattern for in situ thermal processing of a subsurface hydrocarbon containing formation
AU2013256823B2 (en) 2012-05-04 2015-09-03 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
WO2014055351A1 (en) 2012-10-01 2014-04-10 Greatpoint Energy, Inc. Agglomerated particulate low-rank coal feedstock and uses thereof
WO2014055365A1 (en) 2012-10-01 2014-04-10 Greatpoint Energy, Inc. Use of contaminated low-rank coal for combustion
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
AU2014340644B2 (en) 2013-10-22 2017-02-02 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
US9739122B2 (en) 2014-11-21 2017-08-22 Exxonmobil Upstream Research Company Mitigating the effects of subsurface shunts during bulk heating of a subsurface formation
AU2016279806A1 (en) * 2015-06-15 2017-11-16 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
EP4264008A1 (de) * 2020-12-18 2023-10-25 Jayant Chandulal Mehta Verfahren zur gesteuerten in-situ-kohlevergasung und füllvorrichtung zum betrieb davon

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

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
AU2473477A (en) The preheating of coking 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