EP2899363A4 - Method for joint-mining of coalbed gas and coal - Google Patents

Method for joint-mining of coalbed gas and coal

Info

Publication number
EP2899363A4
EP2899363A4 EP13838778.2A EP13838778A EP2899363A4 EP 2899363 A4 EP2899363 A4 EP 2899363A4 EP 13838778 A EP13838778 A EP 13838778A EP 2899363 A4 EP2899363 A4 EP 2899363A4
Authority
EP
European Patent Office
Prior art keywords
mining
coal
joint
coalbed gas
coalbed
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Withdrawn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
EP13838778.2A
Other languages
German (de)
French (fr)
Other versions
EP2899363A1 (en
Inventor
Feng Chen
Shuchuan Zhang
Zhongxue Gan
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 EP2899363A1 publication Critical patent/EP2899363A1/en
Publication of EP2899363A4 publication Critical patent/EP2899363A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/006Production of coal-bed methane
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B41/00Equipment or details not covered by groups E21B15/00 - E21B40/00
    • E21B41/005Waste disposal systems
    • E21B41/0057Disposal of a fluid by injection into a subterranean formation
    • E21B41/0064Carbon dioxide sequestration
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/16Enhanced recovery methods for obtaining hydrocarbons
    • E21B43/164Injecting CO2 or carbonated water
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/16Enhanced recovery methods for obtaining hydrocarbons
    • E21B43/24Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
    • E21B43/2401Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection by means of electricity
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/16Enhanced recovery methods for obtaining hydrocarbons
    • E21B43/24Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
    • E21B43/243Combustion in situ
    • E21B43/247Combustion in situ in association with fracturing processes or crevice forming processes
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/25Methods for stimulating production
    • E21B43/26Methods for stimulating production by forming crevices or fractures
    • E21B43/2605Methods for stimulating production by forming crevices or fractures using gas or liquefied gas
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/295Gasification of minerals, e.g. for producing mixtures of combustible gases
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/04Directional drilling
    • E21B7/046Directional drilling horizontal drilling

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Mechanical Engineering (AREA)
  • Processing Of Solid Wastes (AREA)
  • Industrial Gases (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)
EP13838778.2A 2012-09-21 2013-09-18 Method for joint-mining of coalbed gas and coal Withdrawn EP2899363A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201210356627.1A CN103670338B (en) 2012-09-21 2012-09-21 A kind of coal bed gas and coal mining method altogether
PCT/CN2013/083781 WO2014044192A1 (en) 2012-09-21 2013-09-18 Method for joint-mining of coalbed gas and coal

Publications (2)

Publication Number Publication Date
EP2899363A1 EP2899363A1 (en) 2015-07-29
EP2899363A4 true EP2899363A4 (en) 2016-06-22

Family

ID=50309028

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13838778.2A Withdrawn EP2899363A4 (en) 2012-09-21 2013-09-18 Method for joint-mining of coalbed gas and coal

Country Status (6)

Country Link
US (1) US20150247385A1 (en)
EP (1) EP2899363A4 (en)
CN (1) CN103670338B (en)
AU (1) AU2013317409B2 (en)
WO (1) WO2014044192A1 (en)
ZA (1) ZA201502650B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110552678A (en) * 2019-08-05 2019-12-10 邓惠荣 method for producing hydrogen by reverse well arrangement, one injection and multiple production supercritical combustion gasification of deep and super-thick layer coal

Families Citing this family (119)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104018813A (en) * 2014-05-31 2014-09-03 贵州盘江煤层气开发利用有限责任公司 Coal bed gas exploitation method
CN104018812A (en) * 2014-05-31 2014-09-03 贵州盘江煤层气开发利用有限责任公司 Method for extracting coal bed methane based on butt joint of underground drill hole and ground vertical well
AU2015205856B2 (en) * 2014-07-21 2019-08-15 Aj Lucas Pty Ltd Improvements to recovery of hydrocarbons
CN104389572B (en) * 2014-10-28 2016-11-23 中国石油天然气股份有限公司 Method for exploiting layered oil reservoir in-situ combustion
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
CN104563992B (en) * 2014-12-22 2018-05-15 新奥科技发展有限公司 Underground coal gasification system and control method
CN104696006B (en) * 2015-02-03 2016-07-27 太原理工大学 Ground drilling penetrates the method for abandoned coal pillar extraction multilamellar old dead zone remnants coal bed gas
CN104696005B (en) * 2015-02-03 2016-08-31 太原理工大学 The method of sequestration of carbon dioxide extraction residual coal bed gas is worked in coordination with in old dead zone, colliery
CN104612653B (en) * 2015-02-11 2017-11-03 新奥科技发展有限公司 A kind of underground gasification method
CN104564011B (en) * 2015-02-11 2018-08-14 新奥科技发展有限公司 A kind of underground gasification method
CN104675376B (en) * 2015-02-23 2019-02-12 新奥科技发展有限公司 Underground gasification method and underground gasification system
US10344204B2 (en) 2015-04-09 2019-07-09 Diversion Technologies, LLC Gas diverter for well and reservoir stimulation
US10012064B2 (en) 2015-04-09 2018-07-03 Highlands Natural Resources, Plc Gas diverter for well and reservoir stimulation
CN104806218B (en) * 2015-04-10 2017-06-30 重庆大学 A kind of method and system for improving shale gas well recovery
CN104832130B (en) * 2015-04-28 2017-06-06 中国矿业大学 Help residual coal gasification recovery method in opencut end
CN105201548A (en) * 2015-10-10 2015-12-30 山西晋煤集团技术研究院有限责任公司 Horizontal well pressure relief extraction method
CN105317418B (en) * 2015-11-09 2018-01-16 淮南矿业(集团)有限责任公司 The method for preventing and treating coal and gas prominent
US11530603B2 (en) * 2016-02-08 2022-12-20 Proton Technologies Inc. In-situ process to produce hydrogen from underground hydrocarbon reservoirs
US10982520B2 (en) 2016-04-27 2021-04-20 Highland Natural Resources, PLC Gas diverter for well and reservoir stimulation
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
CN106223916B (en) * 2016-10-14 2018-09-07 中国地质大学(北京) Resistance wire type coal seam heating device
CN106869897A (en) * 2017-01-20 2017-06-20 徐斌 Coal bed underground loosens method and device
CN107420043B (en) * 2017-08-10 2023-09-12 贵州大学 Drilling self-tightening device matched with coal seam heating cable and construction method
CN109577919B (en) 2017-09-28 2020-06-09 中国石油天然气股份有限公司 Mining method of coal bed gas in low-permeability coal bed
CN108798630B (en) * 2018-04-28 2021-09-28 中国矿业大学 Cave pressure relief mining simulation test system for tectonic coal in-situ coal bed gas horizontal well
CN109138952B (en) * 2018-10-29 2024-04-19 邓晓亮 System and method for generating power by underground gasification of supercritical coal
CN111396011B (en) * 2019-01-02 2022-06-03 中国石油天然气股份有限公司 Method and device for improving gas production rate of double-branch U-shaped well
CN109578059B (en) * 2019-01-18 2020-10-09 中国矿业大学 Underground coal bed gas extraction method and liquid nitrogen flowing frost cracking device used by same
CN109653787B (en) * 2019-01-25 2024-05-03 安徽理工大学 Coordinated extraction pressure relief method for high-pressure-bearing water and high-gas coal seam group
CN110145293B (en) * 2019-06-20 2020-07-31 中国矿业大学 Poly-generation well-free underground coal gasification method
CN112127866B (en) * 2019-06-25 2022-08-30 中国石油天然气股份有限公司 Process for developing deep coal bed by using underground coal gasification technology
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
CN110469306A (en) * 2019-08-05 2019-11-19 邓惠荣 Coal seam oil reservoir underground detonation direction and location crack gas injection produces gas method
CN110578508A (en) * 2019-08-05 2019-12-17 邓惠荣 Horizontal well one-well multi-mining combined coal bed gas mining and coal gasification method
CN110566172A (en) * 2019-08-15 2019-12-13 太原理工大学 method for fracturing coal bed by using flue gas of high-pressure thermal power plant
CN110700794B (en) * 2019-09-06 2021-10-22 太原理工大学 Multi-branch horizontal well coal seam gas extraction physical simulation experiment system
CN110909976B (en) * 2019-10-11 2023-05-12 重庆大学 Improved method and device for evaluating rationality of mining deployment of outstanding mine
CN110821463A (en) * 2019-11-15 2020-02-21 中煤地质集团有限公司北京地质调查分公司 Coal bed gas thermal recovery yield increasing method
CN112855111B (en) * 2019-11-28 2023-04-25 中国石油天然气股份有限公司 Underground gasification system and method for electric heating coal bed
CN110965964B (en) * 2019-12-16 2021-10-12 临沂矿业集团菏泽煤电有限公司 Gas extraction method for ultra-thick coal seam
CN111155981B (en) * 2019-12-20 2023-05-09 中煤科工集团西安研究院有限公司 Method for monitoring gas production of double-coal laminated layer drainage and production layers of coal-bed gas well
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4250230A (en) * 1979-12-10 1981-02-10 In Situ Technology, Inc. Generating electricity from coal in situ
US6571874B1 (en) * 1998-09-02 2003-06-03 Rag Aktiengesellschaft Method for the in-situ extraction of gas from coal seams
US20060213658A1 (en) * 2004-05-14 2006-09-28 Maguire James Q In-situ method of coal gasification
WO2012092404A1 (en) * 2010-12-28 2012-07-05 Enis Ben M Method and apparatus for using pressure cycling and cold liquid co2 for releasing natural gas from coal and shale formations

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4092052A (en) * 1977-04-18 1978-05-30 In Situ Technology, Inc. Converting underground coal fires into commercial products
US4330038A (en) * 1980-05-14 1982-05-18 Zimpro-Aec Ltd. Oil reclamation process
CN1091832C (en) * 1994-04-01 2002-10-02 Bp阿莫科公司 Method for disposing carbon dioxide in a coalbed and simutaneously recovering methane from the coalbed
CN1055332C (en) * 1995-03-15 2000-08-09 柴兆喜 Gasifying method for coal seam
JP2008542481A (en) * 2005-06-03 2008-11-27 プラスコ エネルギー グループ インコーポレーテッド System for converting coal to gas of specific composition
US7537641B2 (en) * 2005-12-02 2009-05-26 Membrane Technology And Research, Inc. Natural gas treatment process for stimulated well
CN101173604B (en) * 2007-11-16 2011-11-30 中国科学院武汉岩土力学研究所 Method for horizontal well mixed gas displacing coal-bed gas
CN101493007B (en) * 2008-12-30 2013-07-17 中国科学院武汉岩土力学研究所 Natural gas separation and waste gas geological sequestration method based on mixed fluid self-separation
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
CN102486085B (en) * 2010-12-01 2015-06-17 新奥气化采煤有限公司 Gasifying agent transmission and distribution system and technology for underground gasification of carbon-containing organic matters
CN102080519A (en) * 2011-01-21 2011-06-01 中矿瑞杰(北京)科技有限公司 Method for extracting coal bed gas by negative pressure on ground through gas-coal simultaneous extraction

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4250230A (en) * 1979-12-10 1981-02-10 In Situ Technology, Inc. Generating electricity from coal in situ
US6571874B1 (en) * 1998-09-02 2003-06-03 Rag Aktiengesellschaft Method for the in-situ extraction of gas from coal seams
US20060213658A1 (en) * 2004-05-14 2006-09-28 Maguire James Q In-situ method of coal gasification
WO2012092404A1 (en) * 2010-12-28 2012-07-05 Enis Ben M Method and apparatus for using pressure cycling and cold liquid co2 for releasing natural gas from coal and shale formations

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2014044192A1 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110552678A (en) * 2019-08-05 2019-12-10 邓惠荣 method for producing hydrogen by reverse well arrangement, one injection and multiple production supercritical combustion gasification of deep and super-thick layer coal

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US20150247385A1 (en) 2015-09-03
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