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Biogenic and thermogenic origins of natural gas in Cook Inlet basin, Alaska.

American Association of Petroleum Geologists Bulletin

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Abstract

Two types of natural gas occurences are present. The major reserves (1.8 x 1011m3) occur in shallow (less than 2.300 m), nonassociated dry gas fields that contain methane with del13C in the range of -63 to -56 per mil. These gas fields are in sandstones interbedded with coals, the gas fields are interpreted as biogenic in origin. Lesser reserves of natural gas are associated with oil in the deeper Hemlock Conglomerate at the base of the Tertiary section; associated gas contains methane with del13C of about -46 per mil. These gases are thermogenic in origin.- from Authors

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Biogenic and thermogenic origins of natural gas in Cook Inlet basin, Alaska.
Series title:
American Association of Petroleum Geologists Bulletin
Volume
64
Issue:
8
Year Published:
1980
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
1131
Last page:
1139
Number of Pages:
9