WO1996028638A1 - A method of in-situ gasification of coal - Google Patents

A method of in-situ gasification of coal Download PDF

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Publication number
WO1996028638A1
WO1996028638A1 PCT/CN1996/000018 CN9600018W WO9628638A1 WO 1996028638 A1 WO1996028638 A1 WO 1996028638A1 CN 9600018 W CN9600018 W CN 9600018W WO 9628638 A1 WO9628638 A1 WO 9628638A1
Authority
WO
WIPO (PCT)
Prior art keywords
coal
duct
situ gasification
injecting
gasification
Prior art date
Application number
PCT/CN1996/000018
Other languages
French (fr)
Chinese (zh)
Inventor
Zhaoxi Chai
Original Assignee
Zhaoxi Chai
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 Zhaoxi Chai filed Critical Zhaoxi Chai
Priority to AU49372/96A priority Critical patent/AU4937296A/en
Publication of WO1996028638A1 publication Critical patent/WO1996028638A1/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
    • E21B43/30—Specific pattern of wells, e.g. optimising the spacing of wells
    • E21B43/305—Specific pattern of wells, e.g. optimising the spacing of wells comprising at least one inclined or horizontal well
    • 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

  • 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)
  • Engine Equipment That Uses Special Cycles (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The present invention relates to a method of in-situ gasification of coal, in which a duct (1) for injecting the gasifying agent and a duct (6) for recovering the produced gas are arranged by tunnelling or boring along the coal seam in a mining system having installations for ventilation, transportation, drainage etc., and being suitable for people to work there. A pipe (2) is deposited within the said injecting duct (1) and the head (a) of it is withdrawn continuously or regularly during the operation.
PCT/CN1996/000018 1995-03-15 1996-03-14 A method of in-situ gasification of coal WO1996028638A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU49372/96A AU4937296A (en) 1995-03-15 1996-03-14 A method of in-situ gasification of coal

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN95102245A CN1055332C (en) 1995-03-15 1995-03-15 Gasifying method for coal seam
CN95102245.8 1995-03-15

Publications (1)

Publication Number Publication Date
WO1996028638A1 true WO1996028638A1 (en) 1996-09-19

Family

ID=5074247

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN1996/000018 WO1996028638A1 (en) 1995-03-15 1996-03-14 A method of in-situ gasification of coal

Country Status (3)

Country Link
CN (1) CN1055332C (en)
AU (1) AU4937296A (en)
WO (1) WO1996028638A1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1061733C (en) * 1996-06-27 2001-02-07 柴兆喜 Coal-bed gasifying method of gas-injection point backing while changing tube
CN1071368C (en) * 1996-08-02 2001-09-19 柴兆喜 Multi-pour-gathering channel alternating moving bed longwall coal seam gasification method
CN1320253C (en) * 1998-05-29 2007-06-06 柴兆喜 Mine for directly producing coal gas in coal layer and its prodn. method
CN101315026B (en) * 2008-07-01 2011-08-31 北京中矿科能煤炭地下气化技术研究中心 Underground coal gasification system and producing process
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
CN103277082B (en) * 2013-06-21 2015-10-28 河南中矿科能煤业化工有限公司 A kind of injection point backing formula underground coal gasification system and technique
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
CN103541714B (en) * 2013-10-30 2016-06-15 新奥气化采煤有限公司 Shower nozzle and coal underground gasification method
CN103573237B (en) * 2013-11-01 2018-04-13 邓晓亮 Flexible gas injection igniter for underground gasification exploitation
CN104295282B (en) * 2014-08-12 2017-06-23 新奥科技发展有限公司 Retrusive coal seam gasification method
CN104389577B (en) * 2014-09-26 2017-10-27 新奥科技发展有限公司 Multiple spot gas injection underground gasification furnace and multiple spot gas injection underground gasification method
CN104533380B (en) * 2014-12-09 2018-01-16 新奥科技发展有限公司 Underground coal gasification system
CN104632178B (en) * 2014-12-17 2017-07-28 新奥科技发展有限公司 Retrusive is ignited expanding method
CN106761653B (en) * 2017-01-12 2023-03-14 中为(上海)能源技术有限公司 Nozzle equipment for coal underground gasification process and operation method thereof
CN107387055B (en) * 2017-09-18 2019-09-20 山东科技大学 A kind of mobile gas injection device and method suitable for underground coal gasification(UCG)
CN114718543A (en) * 2022-04-19 2022-07-08 山东科技大学 Pipeline cutting device and method for realizing underground coal gasification mobile gas injection

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0030430A1 (en) * 1979-11-28 1981-06-17 The University Of Newcastle Research Associates Limited Underground gasification of coal
FR2505353A1 (en) * 1981-05-11 1982-11-12 Inst Ispolzovania Gaza Narod Two=stage underground gasification of coal - with preliminary partial gasification of production area from array of boreholes
US4479540A (en) * 1981-06-05 1984-10-30 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Gasification of coal
US4480689A (en) * 1982-12-06 1984-11-06 Atlantic Richfield Company Block pattern method for in situ gasification of subterranean carbonaceous deposits
US4610303A (en) * 1984-11-16 1986-09-09 Vsesojuznoe Nauchno-Proizvod Stvennoe Obiedinenie "Sojuzpromgaz" Method of underground gasification of a series of gently dipping and inclined coal seams
SU1716110A1 (en) * 1989-12-20 1992-02-28 Институт горного дела им.А.А.Скочинского Method of underground gasification of combustible minerals
US5287926A (en) * 1990-02-22 1994-02-22 Grupping Arnold Method and system for underground gasification of coal or browncoal

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1647125A1 (en) * 1989-04-24 1991-05-07 Ленинградский горный институт им.Г.В.Плеханова Method of underground treatment of coal seam
RU2017948C1 (en) * 1990-12-28 1994-08-15 Московский Горный Институт Method for coal underground gasification
CN1082660A (en) * 1993-02-10 1994-02-23 钟显亮 Gas extracting method for coal mine tunnel

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0030430A1 (en) * 1979-11-28 1981-06-17 The University Of Newcastle Research Associates Limited Underground gasification of coal
FR2505353A1 (en) * 1981-05-11 1982-11-12 Inst Ispolzovania Gaza Narod Two=stage underground gasification of coal - with preliminary partial gasification of production area from array of boreholes
US4479540A (en) * 1981-06-05 1984-10-30 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Gasification of coal
US4480689A (en) * 1982-12-06 1984-11-06 Atlantic Richfield Company Block pattern method for in situ gasification of subterranean carbonaceous deposits
US4610303A (en) * 1984-11-16 1986-09-09 Vsesojuznoe Nauchno-Proizvod Stvennoe Obiedinenie "Sojuzpromgaz" Method of underground gasification of a series of gently dipping and inclined coal seams
SU1716110A1 (en) * 1989-12-20 1992-02-28 Институт горного дела им.А.А.Скочинского Method of underground gasification of combustible minerals
US5287926A (en) * 1990-02-22 1994-02-22 Grupping Arnold Method and system for underground gasification of coal or browncoal

Also Published As

Publication number Publication date
CN1055332C (en) 2000-08-09
CN1112188A (en) 1995-11-22
AU4937296A (en) 1996-10-02

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