EP0067079B1 - Procédé et installation de gazéification souterraine de charbon - Google Patents

Procédé et installation de gazéification souterraine de charbon Download PDF

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Publication number
EP0067079B1
EP0067079B1 EP82400780A EP82400780A EP0067079B1 EP 0067079 B1 EP0067079 B1 EP 0067079B1 EP 82400780 A EP82400780 A EP 82400780A EP 82400780 A EP82400780 A EP 82400780A EP 0067079 B1 EP0067079 B1 EP 0067079B1
Authority
EP
European Patent Office
Prior art keywords
jet
coal
underground gasification
napp
gasification
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.)
Expired
Application number
EP82400780A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0067079A1 (fr
Inventor
Maurice Grenier
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.)
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
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 LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Priority to AT82400780T priority Critical patent/ATE14035T1/de
Publication of EP0067079A1 publication Critical patent/EP0067079A1/fr
Application granted granted Critical
Publication of EP0067079B1 publication Critical patent/EP0067079B1/fr
Expired legal-status Critical Current

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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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/14—Drilling by use of heat, e.g. flame 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
    • E21B36/00—Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones
    • E21B36/02—Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones using burners
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S48/00—Gas: heating and illuminating
    • Y10S48/06—Underground gasification of coal

Definitions

  • the invention relates to a method for underground gasification of coal, according to which a gasifying agent is led through a borehole, which is sprayed in situ towards a coal seam, where a combustible gas is extracted. resulting from an incomplete combustion of said coal, which is brought to the surface in a current flowing against the current and around the jet of gasifying agent and which is led to the surface through said drilling (see US- A-4,010,801). We know that this ensures the formation of combustible gas generally comprising at least carbon monoxide, and very variable amounts of methane.
  • the object of the present invention is to simplify the means used to ensure in situ gasification of coal, in particular localized at a very great depth, by considerably simplifying the means used and by ensuring precise control of the phenomenon of incomplete combustion.
  • annular sheet of an insulating fluid is sent around the jet of gasifying agent, co-current thereof, intended to separate the jet and the stream of combustible gas.
  • the fluid of the annular ply is water, if necessary, in the form of water vapor.
  • the isolation of the gasifying jet it is possible to ensure a large distance between the head delivering the gasifying agent and the combustion front, while avoiding any complementary reaction of complete combustion.
  • the invention also relates to an installation for implementing this method, according to claim 8.
  • a nozzle 1 at the end of a pipe 2 placed in a borehole 3 extending from the surface 4 to a coal seam 5 occurs in an area median of the coal seam 5.
  • This nozzle 1 consists of a preferably supersonic nozzle 10 of diverging convergent shape and of a co-axial pipe 11 which is also connected to the pipe 2 which is in the form a double tube, one central connected to the central nozzle duct 10, the other coaxial connected to the coaxial nozzle ducts 11, the axial nozzle duct 10 is supplied with oxygen under pressure, while the ducts annulars 11 are supplied with pressurized steam.
  • the nozzle 1 operates in the following way: by its calibrated orifice 20, a concentrated and directed oxygen jet 21 of elongated shape and at supersonic speed has a dart 22 whose end enters an impact with the coal, while the steam of water flows around the jet 21 in an annular curtain 30 which extends at least over a large part of the extension of the directive jet 21.
  • the oxygen at the point of impact, causes combustion incomplete coal.
  • An annular stream of combustible gas 23 at high temperature rises according to the arrows FF 'around the oxygen jet-water vapor curtain assembly. During its journey, the gas cools in contact with the layer of coal and water vapor: the resulting chemical reactions greatly increase its calorific value.
  • This combustible gas is taken in at the foot of the borehole by a second annular pipe 6 formed by an envelope 7 surrounding the double tubular pipe 2 at a distance.
  • the water vapor constitutes not only an active element in the incomplete combustion , but also plays a decisive role in avoiding contact between the combustible gas and oxygen sting; without this, water vapor curtain, or other means of separation, the combustible gas would oxidize during this course at the level of oxygen, which, of course, would make impossible the desired partial gasification.
  • the directive jet of oxygen 21 can have a very large extension in the axial direction, since the distance between the dart 22 and the nozzle 1 can be several tens of meters.
  • optical control device 51 makes it possible, by laterally oriented combustion operations, to verify that one is still in a middle position of the coal seam, because this control device 51 makes it possible to detect immediately any drop in temperature when the sting 22 of the directive jet of oxygen 21 meets the rock.

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)
  • Air Supply (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
EP82400780A 1981-06-05 1982-04-29 Procédé et installation de gazéification souterraine de charbon Expired EP0067079B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82400780T ATE14035T1 (de) 1981-06-05 1982-04-29 Verfahren und anlage zur kohlenvergasung untertage.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8111149 1981-06-05
FR8111149A FR2507204B1 (fr) 1981-06-05 1981-06-05 Procede et installation de gazeification souterraine de charbon

Publications (2)

Publication Number Publication Date
EP0067079A1 EP0067079A1 (fr) 1982-12-15
EP0067079B1 true EP0067079B1 (fr) 1985-06-26

Family

ID=9259227

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82400780A Expired EP0067079B1 (fr) 1981-06-05 1982-04-29 Procédé et installation de gazéification souterraine de charbon

Country Status (12)

Country Link
US (1) US4479540A (forum.php)
EP (1) EP0067079B1 (forum.php)
JP (1) JPS57212295A (forum.php)
AT (1) ATE14035T1 (forum.php)
AU (1) AU546520B2 (forum.php)
CA (1) CA1212898A (forum.php)
DE (1) DE3264409D1 (forum.php)
ES (1) ES8307885A1 (forum.php)
FR (1) FR2507204B1 (forum.php)
IN (1) IN158484B (forum.php)
NZ (1) NZ200837A (forum.php)
ZA (1) ZA823560B (forum.php)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105113991A (zh) * 2015-09-22 2015-12-02 中国矿业大学(北京) 一种蒸汽射流钻头

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4776638A (en) * 1987-07-13 1988-10-11 University Of Kentucky Research Foundation Method and apparatus for conversion of coal in situ
CN1055332C (zh) * 1995-03-15 2000-08-09 柴兆喜 拉管注气点后退式煤层气化方法
US20100276139A1 (en) * 2007-03-29 2010-11-04 Texyn Hydrocarbon, Llc System and method for generation of synthesis gas from subterranean coal deposits via thermal decomposition of water by an electric torch
CN101988382B (zh) * 2010-08-31 2014-07-16 新奥科技发展有限公司 调节气化剂在井下的流动方向的可活动设备及方法
US20120103604A1 (en) * 2010-10-29 2012-05-03 General Electric Company Subsurface heating device
RU2582694C2 (ru) * 2011-02-18 2016-04-27 Линк Энерджи Лтд Розжиг подземного угольного пласта в способе подземной газификации угля, пгу
WO2014089603A1 (en) * 2012-12-14 2014-06-19 Linc Energy Ltd Apparatus for igniting an underground coal seam
WO2014186823A1 (en) * 2013-05-23 2014-11-27 Linc Energy Ltd Oxidant and water injection apparatus
CN103541714B (zh) 2013-10-30 2016-06-15 新奥气化采煤有限公司 喷头及煤炭地下气化方法
CN104533377A (zh) * 2014-11-06 2015-04-22 新奥气化采煤有限公司 一种喷嘴及气化方法
CN104564008B (zh) * 2014-12-18 2018-05-01 新奥科技发展有限公司 煤炭地下气化装置及其气化方法
CN104612652B (zh) * 2015-01-28 2019-04-23 新奥科技发展有限公司 喷嘴
CN104632179B (zh) * 2015-01-28 2019-04-23 新奥科技发展有限公司 喷嘴
CN104632180A (zh) * 2015-02-03 2015-05-20 新奥气化采煤有限公司 喷嘴
CN104632182B (zh) * 2015-02-03 2018-08-24 新奥科技发展有限公司 一种喷嘴
CN104632181B (zh) * 2015-02-03 2018-01-16 新奥科技发展有限公司 喷嘴
CN105756653B (zh) * 2015-11-11 2021-08-03 新奥科技发展有限公司 喷嘴及具有该喷嘴的注气装置
CN106761653B (zh) * 2017-01-12 2023-03-14 中为(上海)能源技术有限公司 用于煤炭地下气化工艺的喷头设备及其操作方法
CN112496017B (zh) * 2020-11-12 2022-06-14 江苏大地益源环境修复有限公司 一种基于蒸汽强化的原位热传导脱附系统及其工艺
CN114704236B (zh) * 2021-12-28 2024-05-17 中国石油天然气集团有限公司 煤炭地下气化用点火燃烧器及点火方法

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US2680486A (en) * 1949-01-04 1954-06-08 Phillips Petroleum Co Method and apparatus for well operations employing hydrogen peroxide
US2902270A (en) * 1953-07-17 1959-09-01 Svenska Skifferolje Ab Method of and means in heating of subsurface fuel-containing deposits "in situ"
US3093197A (en) * 1958-12-09 1963-06-11 Union Carbide Corp Method and apparatus for thermally working minerals and mineral-like materials
US3572839A (en) * 1968-08-28 1971-03-30 Toa Kowan Kogyo Kk Process for excavation of hard underwater beds
US3563606A (en) * 1969-03-24 1971-02-16 St Joe Minerals Corp Method for in-situ utilization of fuels by combustion
US4010801A (en) * 1974-09-30 1977-03-08 R. C. Terry Method of and apparatus for in situ gasification of coal and the capture of resultant generated heat
DE2623318A1 (de) * 1975-06-02 1976-12-23 Inst Nat Des Ind Extractives I Verfahren und vorrichtung zum verschwelen fester brennstoffe unter tage
US4078613A (en) * 1975-08-07 1978-03-14 World Energy Systems Downhole recovery system
US4079784A (en) * 1976-03-22 1978-03-21 Texaco Inc. Method for in situ combustion for enhanced thermal recovery of hydrocarbons from a well and ignition system therefor
US4067390A (en) * 1976-07-06 1978-01-10 Technology Application Services Corporation Apparatus and method for the recovery of fuel products from subterranean deposits of carbonaceous matter using a plasma arc
GB1597952A (en) * 1976-12-20 1981-09-16 Sabol K Method of boring lateral channels through a subsurface carbonaceous deposit
DE2709437C2 (de) * 1977-03-04 1982-09-09 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Verfahren zum Herstellen von Bohrungen in Kohleflözen
US4185692A (en) * 1978-07-14 1980-01-29 In Situ Technology, Inc. Underground linkage of wells for production of coal in situ
US4356866A (en) * 1980-12-31 1982-11-02 Mobil Oil Corporation Process of underground coal gasification

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105113991A (zh) * 2015-09-22 2015-12-02 中国矿业大学(北京) 一种蒸汽射流钻头

Also Published As

Publication number Publication date
DE3264409D1 (en) 1985-08-01
FR2507204B1 (fr) 1985-07-05
IN158484B (forum.php) 1986-11-22
JPS57212295A (en) 1982-12-27
NZ200837A (en) 1986-02-21
EP0067079A1 (fr) 1982-12-15
FR2507204A1 (fr) 1982-12-10
ZA823560B (en) 1983-03-30
ES512848A0 (es) 1983-08-01
AU8386582A (en) 1982-12-09
CA1212898A (fr) 1986-10-21
ES8307885A1 (es) 1983-08-01
US4479540A (en) 1984-10-30
ATE14035T1 (de) 1985-07-15
AU546520B2 (en) 1985-09-05

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