EP2787164A4 - Underground coal gasification and linkage method - Google Patents

Underground coal gasification and linkage method

Info

Publication number
EP2787164A4
EP2787164A4 EP12853826.1A EP12853826A EP2787164A4 EP 2787164 A4 EP2787164 A4 EP 2787164A4 EP 12853826 A EP12853826 A EP 12853826A EP 2787164 A4 EP2787164 A4 EP 2787164A4
Authority
EP
European Patent Office
Prior art keywords
coal gasification
underground coal
linkage method
linkage
underground
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.)
Withdrawn
Application number
EP12853826.1A
Other languages
German (de)
French (fr)
Other versions
EP2787164A1 (en
Inventor
Xulin Pang
Feng Chen
Shipeng Wang
Gang Liu
Shuchuan Zhang
Ming Zhang
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.)
ENN Coal Gasification Mining Co Ltd
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 EP2787164A1 publication Critical patent/EP2787164A1/en
Publication of EP2787164A4 publication Critical patent/EP2787164A4/en
Withdrawn legal-status Critical Current

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)
  • Regulation And Control Of Combustion (AREA)
  • Air Supply (AREA)
  • Fire-Extinguishing Compositions (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
EP12853826.1A 2011-11-30 2012-11-27 Underground coal gasification and linkage method Withdrawn EP2787164A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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 (2)

Publication Number Publication Date
EP2787164A1 EP2787164A1 (en) 2014-10-08
EP2787164A4 true EP2787164A4 (en) 2016-03-09

Family

ID=48536253

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12853826.1A Withdrawn EP2787164A4 (en) 2011-11-30 2012-11-27 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)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
CN103758501B (en) * 2014-01-28 2017-01-11 新奥气化采煤有限公司 Coal underground gasification method
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
AU2016420452B2 (en) 2016-08-24 2022-05-26 Zhongwei (Shanghai) Energy Technology Co. Ltd Oxidizing agent injection equipment for underground coal gasification process and application thereof
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
US20240093577A1 (en) 2022-09-20 2024-03-21 Ergo Exergy Technologies Inc. Quenching and/or sequestering process fluids within underground carbonaceous formations, and associated systems and methods
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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3563606A (en) * 1969-03-24 1971-02-16 St Joe Minerals Corp Method for in-situ utilization of fuels by combustion
US4036298A (en) * 1974-08-21 1977-07-19 Efim Vulfovich Kreinin Method of connection of wells by in-situ combustion
US4092052A (en) * 1977-04-18 1978-05-30 In Situ Technology, Inc. Converting underground coal fires into commercial products
US5868202A (en) * 1997-09-22 1999-02-09 Tarim Associates For Scientific Mineral And Oil Exploration Ag Hydrologic cells for recovery of hydrocarbons or thermal energy from coal, oil-shale, tar-sands and oil-bearing formations

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100420824C (en) * 2005-04-21 2008-09-24 新奥气化采煤有限公司 Underground coal gasification
RU2319838C1 (en) * 2006-06-21 2008-03-20 Институт угля и углехимии СО РАН (ИУУ СО РАН) Method for underground gasification of gas-bearing coal series
CN101113670B (en) * 2007-09-04 2010-10-27 新奥科技发展有限公司 Coal underground gasifying technology
CN101382061A (en) * 2007-09-07 2009-03-11 新奥科技发展有限公司 Novel coalbed gas thermal recovery process
CN101382063A (en) * 2008-09-04 2009-03-11 新奥气化采煤有限公司 Novel underground coal gasification furnace
CN101382065B (en) * 2008-09-04 2012-05-02 乌兰察布新奥气化采煤技术有限公司 Well-free underground gasification process
RU2392427C1 (en) * 2008-12-31 2010-06-20 Открытое акционерное общество "Газпром промгаз" (ОАО "Газпром промгаз") Method for underground gasification of tick coal beds
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3563606A (en) * 1969-03-24 1971-02-16 St Joe Minerals Corp Method for in-situ utilization of fuels by combustion
US4036298A (en) * 1974-08-21 1977-07-19 Efim Vulfovich Kreinin Method of connection of wells by in-situ combustion
US4092052A (en) * 1977-04-18 1978-05-30 In Situ Technology, Inc. Converting underground coal fires into commercial products
US5868202A (en) * 1997-09-22 1999-02-09 Tarim Associates For Scientific Mineral And Oil Exploration Ag Hydrologic cells for recovery of hydrocarbons or thermal energy from coal, oil-shale, tar-sands and oil-bearing formations

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2013078980A1 *

Also Published As

Publication number Publication date
WO2013078980A1 (en) 2013-06-06
ZA201404803B (en) 2015-12-23
CN102477857A (en) 2012-05-30
CN102477857B (en) 2015-06-03
EP2787164A1 (en) 2014-10-08
IN2014MN01308A (en) 2015-07-03

Similar Documents

Publication Publication Date Title
EP2787164A4 (en) Underground coal gasification and linkage method
ZA201404036B (en) Underground coal gasification well liner
ZA201305982B (en) Igniting an underground coal seam in underground coal gasification process, ucg
ZA201309753B (en) Gasification system and method
ZA201207028B (en) Underground mining
GB201213490D0 (en) Method and composition for enhanced hydrocarbons recovery
PL2740842T3 (en) Method for converting a gravel track into a solid track
GB201112192D0 (en) Bi-directional metal-to-metal seal
HK1252498A1 (en) A method for shortening an injection pipe for underground coal gasification
ZA201200653B (en) Underground mining
ZA201602763B (en) Nozzle and underground coal gasification method
HUE063086T2 (en) Method for reduction of tar in gasification of carbonaceous materials
EP2691603A4 (en) Biomass-enhanced natural gas from coal formations
HK1246837A1 (en) Sacrificial liner linkages for auto-shortening an injection pipe for underground coal gasification
GB2501074B (en) Improved underground coal gasification methods, systems and apparatus
PL399448A1 (en) Biomass gasification system
AU2012256839A1 (en) Coal gasification system
ZA201504329B (en) Improved coal gasification
GB201114198D0 (en) Improvements in gasification
AU2011900555A0 (en) Method and Apparatus for Underground Coal Gasification
AU2010900642A0 (en) Method and apparatus for underground coal gasification
AU2013904866A0 (en) Improved underground coal gasification process
ZA201402481B (en) Method for impact-cutting mining and impact-cutting miner carrying out the method
ZA201409106B (en) Lock for pressurized coal gasification plants
AU2010904017A0 (en) Process for the Underground Gasification of Coal

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20140630

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAX Request for extension of the european patent (deleted)
RA4 Supplementary search report drawn up and despatched (corrected)

Effective date: 20160205

RIC1 Information provided on ipc code assigned before grant

Ipc: E21B 43/243 20060101ALI20160201BHEP

Ipc: E21B 43/295 20060101AFI20160201BHEP

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

INTG Intention to grant announced

Effective date: 20170324

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Effective date: 20170831