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Withdrawn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Withdrawn legal-status Critical Current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 DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP 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
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

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