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The AAPG/Datapages Combined Publications Database
AAPG Bulletin
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Recent gas discoveries in the Greater Uinta basin of northeastern Utah and northwestern Colorado, in rocks of Jurassic, Cretaceous, and Tertiary age, together with the prospect of a market outlet, have centered interest on the area as a potential future gas reserve.
Commercial gas discoveries to date have been widely scattered in the following formations: Entrada, Morrison, Dakota, Mesaverde, Wasatch, and Green River. However, these discoveries indicate the following problems which must be solved in future exploration and development before sizable reserves of natural gas are definitely established:
(1) Questionable reflection of surface structural features at depth.
(2) Abrupt lateral porosity and permeability variations.
(3) Deposition of sands sufficiently developed to provide appreciable reserves.
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(4) Exceptionally high carbon dioxide and/or nitrogen content of the gas from certain areas in northwestern Colorado.
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