WO2015164930A3 - Method and device for underground gasification of fuels using a single wellbore for directing gases - Google Patents

Method and device for underground gasification of fuels using a single wellbore for directing gases Download PDF

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Publication number
WO2015164930A3
WO2015164930A3 PCT/BG2015/000010 BG2015000010W WO2015164930A3 WO 2015164930 A3 WO2015164930 A3 WO 2015164930A3 BG 2015000010 W BG2015000010 W BG 2015000010W WO 2015164930 A3 WO2015164930 A3 WO 2015164930A3
Authority
WO
WIPO (PCT)
Prior art keywords
gasification
gas
fuels
underground gasification
directing gases
Prior art date
Application number
PCT/BG2015/000010
Other languages
French (fr)
Other versions
WO2015164930A2 (en
Inventor
Hristo Atanasov KOVACHKI
Angel Hristov ANGELOV
Rumen Ivanov KUNEV
Original Assignee
Kovachki Hristo Atanasov
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 Kovachki Hristo Atanasov filed Critical Kovachki Hristo Atanasov
Publication of WO2015164930A2 publication Critical patent/WO2015164930A2/en
Publication of WO2015164930A3 publication Critical patent/WO2015164930A3/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

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)
  • Processing Of Solid Wastes (AREA)
  • Earth Drilling (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)

Abstract

This method and device are implemented in the energy industry and the underground gasification of fuel. The implementation thereof provides effective gasification process. The method for directing gases consists of using only one drilling for supplying an oxidizing gas and discharging the resulting gas and during the gasification the flow of the oxidising gas increases with the distance from the reaction zone which leads to increase in the linear speed of the oxidising gas and it reaches the reaction front which moved away. The device for implementing the method consists of a casing pipe (1) with pipeline (3) for an oxidizing gas that is mounted coaxially in the pipe and the casing pipe (1) is open in its bottom end with perforations in the walls. The lower part of the pipeline (3) contains a chamber (5) with at least one row of perforated openings (6).
PCT/BG2015/000010 2014-04-30 2015-04-22 Method and device for directing of gases in mono drilling underground gasification of fuels WO2015164930A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BG111756A BG66879B1 (en) 2014-04-30 2014-04-30 Method and device for direction of gases at single-borehole subterranean gasification of fuels
BG111756 2014-04-30

Publications (2)

Publication Number Publication Date
WO2015164930A2 WO2015164930A2 (en) 2015-11-05
WO2015164930A3 true WO2015164930A3 (en) 2016-04-28

Family

ID=53489735

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/BG2015/000010 WO2015164930A2 (en) 2014-04-30 2015-04-22 Method and device for directing of gases in mono drilling underground gasification of fuels

Country Status (2)

Country Link
BG (1) BG66879B1 (en)
WO (1) WO2015164930A2 (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2958380A (en) * 1957-06-17 1960-11-01 Gulf Research Development Co In-situ combustion process for the production of oil
US3195632A (en) * 1957-06-17 1965-07-20 Gulf Res & Developement Compan Radial burning in-situ combustion process utilizing a single well
US3473610A (en) * 1966-08-12 1969-10-21 Deutsche Erdoel Ag Process for obtaining bitumens from underground deposits
US4015663A (en) * 1976-03-11 1977-04-05 Mobil Oil Corporation Method of subterranean steam generation by in situ combustion of coal
US4344488A (en) * 1980-08-18 1982-08-17 Marks Alvin M Charged aerosol petroleum recovery method and apparatus
WO2002086018A2 (en) * 2001-04-24 2002-10-31 Shell Internationale Research Maatschappij B.V. In situ recovery from a oil shale formation
CA2791323A1 (en) * 2011-10-21 2013-04-21 Nexen Inc. Steam assisted gravity drainage processes with the addition of oxygen addition

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2958380A (en) * 1957-06-17 1960-11-01 Gulf Research Development Co In-situ combustion process for the production of oil
US3195632A (en) * 1957-06-17 1965-07-20 Gulf Res & Developement Compan Radial burning in-situ combustion process utilizing a single well
US3473610A (en) * 1966-08-12 1969-10-21 Deutsche Erdoel Ag Process for obtaining bitumens from underground deposits
US4015663A (en) * 1976-03-11 1977-04-05 Mobil Oil Corporation Method of subterranean steam generation by in situ combustion of coal
US4344488A (en) * 1980-08-18 1982-08-17 Marks Alvin M Charged aerosol petroleum recovery method and apparatus
WO2002086018A2 (en) * 2001-04-24 2002-10-31 Shell Internationale Research Maatschappij B.V. In situ recovery from a oil shale formation
CA2791323A1 (en) * 2011-10-21 2013-04-21 Nexen Inc. Steam assisted gravity drainage processes with the addition of oxygen addition

Also Published As

Publication number Publication date
BG66879B1 (en) 2019-05-15
BG111756A (en) 2018-12-17
WO2015164930A2 (en) 2015-11-05

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