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The AAPG/Datapages Combined Publications Database

AAPG Special Volumes

Abstract


Pub. Id: A138 (1984)

First Page: 223

Last Page: 251

Book Title: SG 17: Coalbed Methane Resources of the United States

Article/Chapter: Geologic Overview, Coal Deposits, and Potential for Methane Recovery from Coalbeds, Piceance Basin--Colorado

Subject Group: Basin or Areal Analysis or Evaluation

Spec. Pub. Type: Studies in Geology

Pub. Year: 1984

Author(s): R. Choate, D. Jurich, G. J. Saulnier Jr.

Abstract:

Piceance Basin in northwestern Colorado has one of the greatest potentials for near-term production of coalbed methane of any basin in the western United States. Coalbeds of the Late Cretaceous Mesaverde Group underlie 6,570 sq mi of the total basin area of 6,680 sq mi. Preliminary estimates based on interpretation of geophysical logs of oil and gas wells indicate that the average value for total coal thickness throughout the basin is approximately 50 ft and that the total coal resource to depths exceeding 10,000 ft is 380 billion tons. Methane contained within the coalbeds comprising this resource is estimated to average 60 trillion cubic feet (Tcf). Lower and upper limits for coalbed methane content in the basin are estimated at 30 and 110 Tcf, respectively. The area wi h the highest potential for coalbed methane production is found in southeastern Piceance Basin.

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