ZA201509226B - Gas injection apparatus with controllable gas injection point, gas injection process, and gasification method - Google Patents

Gas injection apparatus with controllable gas injection point, gas injection process, and gasification method

Info

Publication number
ZA201509226B
ZA201509226B ZA2015/09226A ZA201509226A ZA201509226B ZA 201509226 B ZA201509226 B ZA 201509226B ZA 2015/09226 A ZA2015/09226 A ZA 2015/09226A ZA 201509226 A ZA201509226 A ZA 201509226A ZA 201509226 B ZA201509226 B ZA 201509226B
Authority
ZA
South Africa
Prior art keywords
gas injection
controllable
gasification method
point
injection apparatus
Prior art date
Application number
ZA2015/09226A
Inventor
Gang Liu
Feng Chen
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 ZA201509226B publication Critical patent/ZA201509226B/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
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/046—Directional drilling horizontal drilling
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/06—Deflecting the direction of boreholes

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (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)
  • Mechanical Engineering (AREA)
  • Air Supply (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
ZA2015/09226A 2013-06-26 2015-12-18 Gas injection apparatus with controllable gas injection point, gas injection process, and gasification method ZA201509226B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310260123.4A CN104251133B (en) 2013-06-26 2013-06-26 A kind of controllable gas injection point gas injection device, gas injection technology and gasification process
PCT/CN2014/074200 WO2014206122A1 (en) 2013-06-26 2014-03-27 Gas injection apparatus with controllable gas injection point, gas injection process, and gasification method

Publications (1)

Publication Number Publication Date
ZA201509226B true ZA201509226B (en) 2019-12-18

Family

ID=52140979

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2015/09226A ZA201509226B (en) 2013-06-26 2015-12-18 Gas injection apparatus with controllable gas injection point, gas injection process, and gasification method

Country Status (6)

Country Link
US (1) US20160123128A1 (en)
EP (1) EP3015642A1 (en)
CN (1) CN104251133B (en)
AU (1) AU2014303165B2 (en)
WO (1) WO2014206122A1 (en)
ZA (1) ZA201509226B (en)

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CN104806285A (en) * 2015-03-25 2015-07-29 宁夏煤炭勘察工程公司 Coal mine goaf gas control method based on ground horizontal well
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
CN107701165A (en) * 2016-08-08 2018-02-16 新疆国利衡清洁能源科技有限公司 One kind separation control gas injection point device and its control method
CN106150472B (en) * 2016-08-28 2019-05-17 中为(上海)能源技术有限公司 Conjugation tube injected system and operating method for coal underground gasifying technology
JP6713409B2 (en) * 2016-11-18 2020-06-24 株式会社三井Ｅ＆Ｓホールディングス Gas hydrate recovery device and gas hydrate recovery method
CN110972485B (en) * 2017-03-23 2022-08-12 北京捷茂迪华能源技术有限公司 Method for increasing production of coal bed gas by injecting high-temperature air
CN107558978A (en) * 2017-08-28 2018-01-09 新疆国利衡清洁能源科技有限公司 Thickened oil recovery system and 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
CN108518211B (en) * 2018-03-29 2024-01-30 中为(上海)能源技术有限公司 Oxidant mixed injection system for underground coal gasification process and operation method
CN108729916A (en) * 2018-07-17 2018-11-02 国氢能源科技有限公司 A kind of underground gasification furnace coal seam igniter and retrogressing repeat igniting gasification method
CN110821544A (en) * 2018-08-14 2020-02-21 柴乔森 Self-ignition coal hole coal bed gasification furnace type mining area in mine
CN109779600B (en) * 2019-02-27 2023-08-01 中国矿业大学 Underground heat-gas co-production gasification equipment, and coal field fire zone front edge treatment system and method
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
CN110939424B (en) * 2019-11-27 2022-04-12 西安物华巨能爆破器材有限责任公司 Well-free underground coal gasification ignition 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
CN111173491B (en) * 2020-03-09 2023-09-19 山东科技大学 Pre-control structure of underground gasifier, gasifier and gasification method
CN111425179A (en) * 2020-03-20 2020-07-17 北京国利衡清洁能源科技(集团)有限公司 Novel ignition device and conveying system
CN111677489B (en) * 2020-06-02 2021-08-31 中国矿业大学 Multilayer composite nozzle device capable of improving underground coal gasification efficiency and application method thereof
CN114439453B (en) * 2020-10-30 2024-06-25 中国石油天然气股份有限公司 Raw coal in-situ gasification hydrogen production and production well pattern and method
CN112523733B (en) * 2020-11-26 2022-11-04 河南省煤层气开发利用有限公司 Outburst elimination method for coal bed gas and coal gasification combined mining area
CN112253076B (en) * 2020-11-26 2021-08-31 福州大学 Chemical mining method of underground pyrite
CN112796726B (en) * 2021-02-03 2022-03-25 西南石油大学 Underground blasting device and method for reservoir fracture expansion of coal-bed gas well
CN113279807A (en) * 2021-06-29 2021-08-20 山西焦煤集团有限责任公司 Anti-backfire system and method for reinjection of carbon dioxide for underground coal gasification
CN115773098A (en) * 2021-09-08 2023-03-10 中国石油天然气股份有限公司 Combined mining method for producing gas and improving oil reservoir recovery ratio by underground coal in coal bed and oil reservoir overlapped area
CN113781889B (en) * 2021-10-11 2023-01-24 山东科技大学 Multi-gas generation, injection and closing integrated simulation system suitable for comprehensive digging surface
CN113653470B (en) * 2021-10-21 2022-04-29 西南石油大学 Coal bed in-situ hydrogen production and coal bed gas development integrated method and structure
CN114215601B (en) * 2021-12-31 2024-01-26 北京派创石油技术服务有限公司 Method for producing hydrogen by using abandoned oil well
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
CN115539009B (en) * 2022-10-17 2024-05-31 安徽理工大学 Test system and method for measuring underground coal gasification efficiency
CN116904229A (en) * 2023-07-28 2023-10-20 中国矿业大学(北京) Coal seam plasma ignition system and method

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US4422505A (en) * 1982-01-07 1983-12-27 Atlantic Richfield Company Method for gasifying subterranean coal deposits
CN1055332C (en) * 1995-03-15 2000-08-09 柴兆喜 Gasifying method for coal seam
CN1061733C (en) * 1996-06-27 2001-02-07 柴兆喜 Coal-bed gasifying method of gas-injection point backing while changing tube
RU2293845C2 (en) * 2005-03-30 2007-02-20 Открытое акционерное общество "Промгаз" Method for controlling composition of gas of underground coal gasification
CN100351492C (en) * 2005-04-05 2007-11-28 大雁煤业有限责任公司 Underground gasification furnace regulation control system
CN101382065B (en) * 2008-09-04 2012-05-02 乌兰察布新奥气化采煤技术有限公司 No-shaft underground gasification process
CN101382064B (en) * 2008-09-04 2012-10-24 乌兰察布新奥气化采煤技术有限公司 Underground forced oxidation and ignition technology for coal
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
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CN102635346B (en) * 2012-04-13 2015-01-07 北京大学 Movable ignition system for UCG (underground coal gasification)

Also Published As

Publication number Publication date
EP3015642A1 (en) 2016-05-04
AU2014303165B2 (en) 2016-09-22
CN104251133B (en) 2018-02-23
CN104251133A (en) 2014-12-31
US20160123128A1 (en) 2016-05-05
AU2014303165A1 (en) 2016-01-21
WO2014206122A1 (en) 2014-12-31

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