CA2247495A1 - Chemically induced stimulation of cleat formation in a subterranean coal formation - Google Patents

Chemically induced stimulation of cleat formation in a subterranean coal formation

Info

Publication number
CA2247495A1
CA2247495A1 CA002247495A CA2247495A CA2247495A1 CA 2247495 A1 CA2247495 A1 CA 2247495A1 CA 002247495 A CA002247495 A CA 002247495A CA 2247495 A CA2247495 A CA 2247495A CA 2247495 A1 CA2247495 A1 CA 2247495A1
Authority
CA
Canada
Prior art keywords
formation
subterranean coal
cleat
chemically induced
induced stimulation
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.)
Granted
Application number
CA002247495A
Other languages
French (fr)
Other versions
CA2247495C (en
Inventor
Walter C. Riese
Stephen V. Bross
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.)
Vastar Resources Inc
Original Assignee
Vastar Resources Inc
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 Vastar Resources Inc filed Critical Vastar Resources Inc
Publication of CA2247495A1 publication Critical patent/CA2247495A1/en
Application granted granted Critical
Publication of CA2247495C publication Critical patent/CA2247495C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/60—Compositions for stimulating production by acting on the underground formation
    • C09K8/62—Compositions for forming crevices or fractures
    • C09K8/66—Compositions based on water or polar solvents
    • C09K8/665—Compositions based on water or polar solvents containing inorganic compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/60—Compositions for stimulating production by acting on the underground formation
    • C09K8/84—Compositions based on water or polar solvents
    • C09K8/845—Compositions based on water or polar solvents containing inorganic compounds
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B43/006—Production of coal-bed methane
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B43/17—Interconnecting two or more wells by fracturing or otherwise attacking the formation
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B43/25—Methods for stimulating production
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B43/25—Methods for stimulating production
    • E21B43/26—Methods for stimulating production by forming crevices or fractures
    • E21B43/27—Methods for stimulating production by forming crevices or fractures by use of eroding chemicals, e.g. acids

Abstract

A method for increasing the production of methane from a subterranean coal formation by chemically stimulating the formation of cleats in the formation to increase the rate of methane production from the formation by injecting an aqueous oxidant solution into the formation to stimulate the formation of cleats in the formation; and thereafter producing methane from the formation at an increased rate. Suitable oxidants include chlorine dioxide, metallic salts of perchlorate, chlorate, persulfate, perborate, percarbonate, permanganate, nitrate and combinations thereof.
CA002247495A 1997-09-22 1998-09-21 Chemically induced stimulation of cleat formation in a subterranean coal formation Expired - Fee Related CA2247495C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/934,722 1997-09-22
US08/934,722 US5964290A (en) 1996-01-31 1997-09-22 Chemically induced stimulation of cleat formation in a subterranean coal formation

Publications (2)

Publication Number Publication Date
CA2247495A1 true CA2247495A1 (en) 1999-03-22
CA2247495C CA2247495C (en) 2009-03-17

Family

ID=25465961

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002247495A Expired - Fee Related CA2247495C (en) 1997-09-22 1998-09-21 Chemically induced stimulation of cleat formation in a subterranean coal formation

Country Status (8)

Country Link
US (1) US5964290A (en)
CN (1) CN1117207C (en)
CA (1) CA2247495C (en)
EA (1) EA001524B1 (en)
GB (1) GB2329406B (en)
PL (1) PL188964B1 (en)
UA (1) UA52647C2 (en)
ZA (1) ZA988639B (en)

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WO2010027455A1 (en) * 2008-09-04 2010-03-11 Ciris Energy, Inc. Solubilization of algae and algal materials
CA2784061A1 (en) 2009-12-18 2011-06-23 Ciris Energy, Inc. Biogasification of coal to methane and other useful products
CN102168544B (en) * 2011-03-28 2014-04-16 河南理工大学 Method for surface modification and transmission increase of coal reservoirs by using chlorine dioxide
CN102287176B (en) * 2011-05-09 2014-12-10 河南理工大学 Coal bed pressing crack liquid method
US10988678B2 (en) 2012-06-26 2021-04-27 Baker Hughes, A Ge Company, Llc Well treatment operations using diverting system
US11111766B2 (en) 2012-06-26 2021-09-07 Baker Hughes Holdings Llc Methods of improving hydraulic fracture network
PL2864442T3 (en) 2012-06-26 2019-03-29 Baker Hughes, A Ge Company, Llc Methods of improving hydraulic fracture network
CN102953752B (en) * 2012-10-30 2015-06-17 中国矿业大学 Sealing method of water-containing drill hole for gas extraction
CN102900396B (en) * 2012-11-01 2014-12-10 中国矿业大学 Method for integrally sealing and separating gas extraction drilled hole in coal seam
CN103061734B (en) * 2013-01-06 2016-04-20 山西蓝焰煤层气集团有限责任公司 A kind of coal bed gas well bore hole chemistry makes cave method
US10442711B2 (en) 2013-03-15 2019-10-15 Sabre Intellectual Property Holdings Llc Method and system for the treatment of produced water and fluids with chlorine dioxide for reuse
US9238587B2 (en) 2013-03-15 2016-01-19 Sabre Intellectual Property Holdings Llc Method and system for the treatment of water and fluids with chlorine dioxide
US8789592B2 (en) 2013-04-24 2014-07-29 Sabre Intellectual Property Holdings Llc Flooding operations employing chlorine dioxide
CN103396777A (en) * 2013-07-22 2013-11-20 郝占元 Application of chlorine dioxide blocking remover in coal bed modification
US9920608B2 (en) * 2013-08-13 2018-03-20 Board Of Regents, The University Of Texas System Method of improving hydraulic fracturing by decreasing formation temperature
CN110259427B (en) * 2019-07-10 2023-05-26 河南理工大学 Hydraulic fracturing fluid, gas extraction system and gas extraction method
CN113216962B (en) * 2021-06-28 2023-11-17 河南理工大学 Synergistic anti-reflection desorption promotion experimental system and method for ultrasonic activated fracturing fluid
CN114231322B (en) * 2021-12-31 2023-04-28 北京派创石油技术服务有限公司 Gas purifying and carbon dioxide circulating treatment method

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Also Published As

Publication number Publication date
PL188964B1 (en) 2005-05-31
ZA988639B (en) 1999-03-31
CN1117207C (en) 2003-08-06
GB2329406A (en) 1999-03-24
EA199800749A3 (en) 1999-12-29
PL328756A1 (en) 1999-03-29
CA2247495C (en) 2009-03-17
UA52647C2 (en) 2003-01-15
EA199800749A2 (en) 1999-04-29
CN1221849A (en) 1999-07-07
GB9819229D0 (en) 1998-10-28
US5964290A (en) 1999-10-12
GB2329406B (en) 2002-02-27
EA001524B1 (en) 2001-04-23

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MKLA Lapsed

Effective date: 20160921