ZA201404803B - Underground coal gasification and linkage method - Google Patents

Underground coal gasification and linkage method

Info

Publication number
ZA201404803B
ZA201404803B ZA2014/04803A ZA201404803A ZA201404803B ZA 201404803 B ZA201404803 B ZA 201404803B ZA 2014/04803 A ZA2014/04803 A ZA 2014/04803A ZA 201404803 A ZA201404803 A ZA 201404803A ZA 201404803 B ZA201404803 B ZA 201404803B
Authority
ZA
South Africa
Prior art keywords
coal gasification
underground coal
linkage method
linkage
underground
Prior art date
Application number
ZA2014/04803A
Inventor
Ming Zhang
Gang Liu
Feng Chen
Shuchuan Zhang
Shipeng Wang
Xulin Pang
Original Assignee
Enn Coal Gasification Mining Co Ltd
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 Enn Coal Gasification Mining Co Ltd filed Critical Enn Coal Gasification Mining Co Ltd
Publication of ZA201404803B publication Critical patent/ZA201404803B/en

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
    • E21B43/295—Gasification of minerals, e.g. for producing mixtures of combustible gases
    • 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

Landscapes

  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Air Supply (AREA)
  • Fire-Extinguishing Compositions (AREA)
  • Regulation And Control Of Combustion (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
ZA2014/04803A 2010-11-30 2014-06-27 Underground coal gasification and linkage method ZA201404803B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201010565736 2010-11-30
CN201110388215.1A CN102477857B (en) 2010-11-30 2011-11-30 Passage formation method for underground coal gasification
PCT/CN2012/085354 WO2013078980A1 (en) 2011-11-30 2012-11-27 Underground coal gasification and linkage method

Publications (1)

Publication Number Publication Date
ZA201404803B true ZA201404803B (en) 2015-12-23

Family

ID=48536253

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2014/04803A ZA201404803B (en) 2010-11-30 2014-06-27 Underground coal gasification and linkage method

Country Status (5)

Country Link
EP (1) EP2787164A4 (en)
CN (1) CN102477857B (en)
IN (1) IN2014MN01308A (en)
WO (1) WO2013078980A1 (en)
ZA (1) ZA201404803B (en)

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CN102477857B (en) * 2010-11-30 2015-06-03 新奥气化采煤有限公司 Passage formation method for underground coal gasification
CN103670338B (en) * 2012-09-21 2016-06-15 新奥气化采煤有限公司 A kind of coal bed gas and coal mining method altogether
CN103670357B (en) * 2012-09-21 2017-06-06 新奥科技发展有限公司 The crack of the carbon containing humatite reservoir in underground is linked up, passageway machining and underground gasification method
CN103089294B (en) * 2013-01-07 2015-07-01 韩永平 Multi-well casing net-shaped device of coal bed gas exploration and coal underground gasification
CN104251133B (en) * 2013-06-26 2018-02-23 新奥科技发展有限公司 A kind of controllable gas injection point gas injection device, gas injection technology and gasification process
CN103556980B (en) * 2013-10-30 2016-06-01 新奥气化采煤有限公司 Underground coal gasification method
CN103590805B (en) * 2013-11-22 2017-05-03 新奥科技发展有限公司 Broaching method of coal seam channel
CN103591980B (en) * 2013-11-26 2016-07-06 新奥气化采煤有限公司 Monitor the through method of underground coal gasification passage, Apparatus and system
CN103758501B (en) * 2014-01-28 2017-01-11 新奥气化采煤有限公司 Coal underground gasification method
CN103742122B (en) * 2014-01-28 2017-09-19 新奥科技发展有限公司 Underground coal gasification system and gasification process
CN103883319B (en) * 2014-03-10 2016-08-17 新奥气化采煤有限公司 A kind of coal underground gasification working surface measurement apparatus
CN103883304B (en) * 2014-04-08 2016-08-24 贵州盘江煤层气开发利用有限责任公司 A kind of gasifying underground coal method building gasification furnace passage
CN104018819B (en) * 2014-06-09 2017-11-14 新奥科技发展有限公司 Firepower insertion method, pass-through facility between underground gasification Vertical Well
CN104453831B (en) * 2014-11-12 2018-11-09 新奥科技发展有限公司 Underground gasification device and coal gasification systems and gasification process
CN104563991B (en) * 2014-12-16 2018-12-21 新奥科技发展有限公司 A kind of gasification process of coal underground gasifying furnace
CN104632177B (en) * 2014-12-18 2017-11-14 华北科技学院 One kind is without well formula underground coal gasification system and technique
CN104727802B (en) * 2015-01-23 2017-12-19 新奥科技发展有限公司 Subterranean coal penetrates method
CN104763336B (en) * 2015-02-06 2018-07-06 新奥科技发展有限公司 A kind of well construction and underground gasification furnace
CN104612653B (en) * 2015-02-11 2017-11-03 新奥科技发展有限公司 A kind of underground gasification method
CN105041275A (en) * 2015-06-30 2015-11-11 西南石油大学 Oil extraction method for reducing oxygen concentration of associated gas of production well by injecting oxygen reduction air
CN105041301B (en) * 2015-08-03 2019-02-05 新奥科技发展有限公司 A kind of underground coal gasification(UCG) flame range detection method
CN106194147B (en) * 2016-08-01 2018-11-02 中嵘能源科技集团有限公司 The method of straight well horizontal well joint igniting in a kind of underground coal gasification(UCG) exploitation
CN106089171B (en) * 2016-08-05 2018-08-31 北京普新石油技术开发有限公司 A method of assisting seam exploiting coal bed methane using coal seam is burnt
CN107701166A (en) * 2016-08-09 2018-02-16 新疆国利衡清洁能源科技有限公司 A kind of efficient coal underground gasifying furnace and its construction method
RU2706498C1 (en) * 2016-08-24 2019-11-19 Чжунвей (Шанхай) Энерджи Текнолоджи Ко. Лтд Equipment for oxidizer injection during underground gasification of coal and its use
CN107091078B (en) * 2017-06-15 2023-02-28 新疆国利衡清洁能源科技有限公司 Coal underground gasification channel and method thereof
CN107091079B (en) * 2017-06-16 2023-09-08 新疆国利衡清洁能源科技有限公司 Underground coal gasification ignition device and method
CN107178351A (en) * 2017-07-06 2017-09-19 新疆国利衡清洁能源科技有限公司 Underground coal gasification ignition agent and application thereof
CN107227947A (en) * 2017-07-24 2017-10-03 新疆国利衡清洁能源科技有限公司 Underground gasification furnace, construction method thereof and underground coal gasification method
CN107654222A (en) * 2017-08-28 2018-02-02 新疆国利衡清洁能源科技有限公司 Fossil energy recovery method and system
CN109083633B (en) * 2018-06-22 2022-03-11 山西元森科技有限公司 Waste heat utilization method for waste rock hill
CN110206524B (en) * 2019-07-09 2023-09-26 河南理工大学 Combustion-supporting material injection system and method for underground coal gasifier
CN110454134A (en) * 2019-09-05 2019-11-15 湖南科技大学 A kind of method of underground raw coal gasification
CN110924919A (en) * 2019-12-11 2020-03-27 中国矿业大学 Method for increasing production of coal bed gas by waste heat in underground coal gasification process
CN111119748B (en) * 2019-12-13 2021-03-30 中煤科工集团重庆研究院有限公司 Method for installing anti-collapse pipe at horizontal well section of L-shaped ground well in mining area
CN112081558A (en) * 2020-10-10 2020-12-15 西安科技大学 Coal underground gasification and coalbed methane collaborative mining method, structure and construction method
US11125069B1 (en) 2021-01-19 2021-09-21 Ergo Exergy Technologies Inc. Underground coal gasification and associated systems and methods
CN112943372A (en) * 2021-03-04 2021-06-11 轻工业环境保护研究所 Monitoring and early warning method for spontaneous combustion generation process of coal gangue dump
CN114413279B (en) * 2022-01-29 2023-02-17 山东科技大学 Ignition roadway ignition method for high-energy rapid ignition of underground coal gasification furnace
CN114837646B (en) * 2022-05-05 2023-11-24 中联煤层气国家工程研究中心有限责任公司 Multilayer co-mining device for coal bed gas mining
CN117888862B (en) * 2024-03-18 2024-05-17 贵州大学 In-situ large-area drilling and empty-building furnace coal gasification and kerosene and/or coal bed gas simultaneous production method

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CN101382061A (en) * 2007-09-07 2009-03-11 新奥科技发展有限公司 Novel coalbed gas thermal recovery process
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CN101749005B (en) * 2010-03-17 2013-01-30 新奥气化采煤有限公司 Protection process of underground drilling hole
CN102477857B (en) * 2010-11-30 2015-06-03 新奥气化采煤有限公司 Passage formation method for underground coal gasification

Also Published As

Publication number Publication date
WO2013078980A1 (en) 2013-06-06
CN102477857B (en) 2015-06-03
CN102477857A (en) 2012-05-30
IN2014MN01308A (en) 2015-07-03
EP2787164A1 (en) 2014-10-08
EP2787164A4 (en) 2016-03-09

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