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The AAPG/Datapages Combined Publications Database

CSPG Bulletin

Abstract


Bulletin of Canadian Petroleum Geology
Vol. 39 (1991), No. 2. (June), Pages 224-225

"Coalbed Methane Potential in Northeast British Columbia, Gates and Gething Formations [Abstract]"

Smith, L.A.1, Unkauf, J.C.1, Johnson, D.G.S.1, Allen, E.J.1

ABSTRACT

Extensive coal deposits occur in the Lower Cretaceous Gething Formation (Aptian) and Gates Formation (Albian) in northeast British Columbia. The outcrop zone has been extensively explored for coal since Scott's GSC Bulletin 152 was published in 1968. Initial exploration by Coalition Mining, Denison Mines and McIntyre Mines and others has resulted in two large open pit coal mines opening in 1982.

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The Gething and Gates formations are each characterized as a series of continental margin transgressive/regressive sequences consisting of interstratified nonmarine to marine sediments deposited in deltaic coastal plain or paralic environments. They are separated from one another by the marine Moosebar Formation. These deposits dip northeastward from outcrop along the disturbed belt into the Deep Basin and wrap over the Peace River Arch.

Paralleling the outcrop, the zone applicable to commercial extraction of coalbed methane locally contains up to 60 Bcf per square mile of in-situ potential. Commercial possibilities are indicated by localized artesian hydrological conditions and gas kick anomalies from coal seams.

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ACKNOWLEDGMENTS AND ASSOCIATED FOOTNOTES

1 LAS Energy Associates Ltd., 106, 309 Second Avenue SW, Calgary, Canada

Copyright © 2003 by The Society of Canadian Petroleum Geologists. All Rights Reserved.