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GEOREF RECORD

Geology of Vermillion Creek gas area in southwest Wyoming and northwest Colorado

William Thomas Nightingale
Geology of Vermillion Creek gas area in southwest Wyoming and northwest Colorado
Bulletin of the American Association of Petroleum Geologists (1930) 14 (8): 1013-1040

Abstract

The Vermilion Creek gas area, located on both sides of the state line between southwest Wyoming and northwest Colorado, is now the field terminus of a 330-mile $20,000,000.00 gas line built in 1929 and supplying Salt Lake City, Utah, and adjacent towns with natural gas. The gas developed here is the first important commercial gas developed in the Tertiary formations of the Rocky Mountain region. Six closed domes, three of which are associated with considerable faulting and four of which are controlled by one main line of anticlinal folding, are developed. The folding in the gas area is a direct consequence of the older and more severe regional structural movements in the Uinta Mountains on the south and west and the Rock Springs uplift on the northwest. To date two of the domes have been proved for commercial gas, one well yielding a total of 65,000,000 cubic feet per day from four separate sands. The gas is produced from irregular sand bodies, very lenticular and physically different, in the lower Wasatch formation of Eocene Tertiary age. The producing horizons are of fresh-water origin only. Gas accumulation is controlled by the folding of the Tertiary beds into closed structures. The source of the gas, which is of excellent quality, is not exactly known. Examination of outcrops and of drill cuttings reveals comparatively scanty evidence of organic life in the lower Tertiary beds. It has been suggested that the underlying Cretaceous beds are the source, but the preponderance of evidence does not support this view. Production from the gas area commenced in September, 1929. Insufficient gas has been run to date to make possible accurate estimates on the life of wells and total reserves.


ISSN: 0883-9247
Serial Title: Bulletin of the American Association of Petroleum Geologists
Serial Volume: 14
Serial Issue: 8
Title: Geology of Vermillion Creek gas area in southwest Wyoming and northwest Colorado
Pages: 1013-1040
Published: 1930
Text Language: English
Publisher: American Association of Petroleum Geologists, Tulsa, OK, United States
Accession Number: 1975-050366
Categories: Economic geology of energy sources
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus.
N37°00'00" - N41°00'00", W109°00'00" - W102°00'00"
N41°00'00" - N45°00'00", W111°04'60" - W104°04'60"
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2019, American Geosciences Institute.
Update Code: 1975
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