Method of fracturing a coalbed gas reservoir

Details Method of fracturing a coalbed gas reservoir Method of fracturing a coalbed gas reservoir

2007-03-07

2010-10-26

Bates, Zakiya W. (Department: 3676)

Wells

Processes

Separate steps of fracturing or attacking formation

C166S300000, C166S308100

Reexamination Certificate

active

07819191

ABSTRACT:
A method for stimulation of gas production from coal seams is described using a permeability modifier, such as a coal swelling agent, injected into the coal seams via a wellbore to reduce the permeability of the coal seams prior to a fracturing treatment.

REFERENCES:
patent: 4283089 (1981-08-01), Mazza et al.
patent: 5014788 (1991-05-01), Puri et al.
patent: 5229017 (1993-07-01), Nimerick et al.
patent: 5417286 (1995-05-01), Palmer et al.
patent: 5474129 (1995-12-01), Weng et al.
patent: 6412559 (2002-07-01), Gunter et al.
patent: 6725930 (2004-04-01), Boney et al.
patent: 2005/0082058 (2005-04-01), Bustin et al.
patent: 2006/0032632 (2006-02-01), Bell
patent: 2006/0065398 (2006-03-01), Brannon et al.
patent: 2007/0235190 (2007-10-01), Lord et al.
patent: 1491080 (2000-04-01), None
patent: 2006010912 (2006-02-01), None
Alain et al, Cavity stress relief method to stimulate demethanation boreholes, Unconventional Gas Recovery Symposium, Pittsburgh, PA, May 13-15, 1984, SPE/DOE/GRI 12843.
Campbell et al, Liquid CO2and sand stimulations in the Lewis Shale, San Juan Basin, New Mexico: a case study, Rocky Mountain Regional/Low Permeability Reservoirs Symposium and Exhibition, Denver, Colorado, Mar. 12-15, 2000, SPE 60317.
Chaback et al, Sorption irreversibilities and mixture compositional behavior during enhanced coal bed methane recovery processes, Gas Technology Conference, Calgary, Alberta, Apr. 28 to May 1, 1996, SPE 35622.
Fulton et al, A laboratory investigation of enhanced recovery of methane from coal by carbon dioxide injection, Symposium on Unconventional Gas Recovery, Pittsburgh, PA, May 18-21, 1980, SPE/DOE 8930.
Gorucu et al, Matrix shrinkage and swelling effects on economics of enhanced coalbed methane production and CO2sequestration in coal, Eastern Regional Meeting, Morgantown, WV, Sep. 14-16, 2005, SPE 97963.
Holditch, Completion methods in coal-seam reservoirs, Journal of Petroleum Technology, vol. 45, No. 3, 1993, pp. 270-276.
Khodaverdian et al, Cavity completions: a study of mechanisms and applicability, Proceedings of the 1993 International Coalbed Methane Symposium, University of Alabama/Tuscaloosa, May 17-21, 1993, pp. 89-97.
Lillies et al, Sand fracturing with liquid carbon dioxide, Production Technology Symposium, Hobbs, New Mexico, Nov. 8-9, 1982, SPE 11341.
Mazza, Liquid-free CO2/sand stimulations: an overlooked technology—production update, Eastern Regional Meeting, Canton, Ohio, Oct. 17-19, 2001, SPE 72383.
Olsen et al, Improvement processes for coalbed natural gas completion and stimulation, Annual Technical Conference and Exhibition, Denver, Colorado, Oct. 5-8, 2003, SPE paper 84122.
Palmer et al, Coalbed methane well completions and stimulations, American Association of Petroleum Geologists, Studies in Geology, chapter 14, vol. 38, 1993, pp. 303-339.
Palmer et al, Openhole cavity completions in coalbed methane wells in the San Juan Basin, Journal of Petroleum Technology, vol. 45, No. 11, 1993, pp. 1072-1080.
Pekot et al, Modeling coal matrix shrinkage and differential swelling with CO2injection for enhanced coalbed methane recovery and carbon sequestration applications, US Department of Energy Topical Report, Nov. 2002, Report No. DE-FC26-00NT40924.
Yost II et al, CO2/sand fracturing in Devonian shales, Eastern Regional Conference and Exhibition, Pittsburgh, PA, Nov. 2-4, 1993, SPE 26925.
Zhu et al, Analytical theory of coalbed methane recovery by gas injection, SPE Journal Dec. 2003, pp. 371-379.

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