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The AAPG/Datapages Combined Publications Database
AAPG Bulletin
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The Page field is in south-central Schleicher County, 9 miles southeast of Eldorado, the county seat. Geologically, the field is located near the southwestern margin of the Eastern platform. The discovery well, Page 1-A-40, was completed by Cooper Gas Company as a gas-condensate well in 1936. Oil production was opened in 1939 with the completion of Lone Star Gas Company's Humble-Page 1. Gas production occurs in several porosity lenses in a Strawn reef-limestone at approximately 5,300 feet. Mapping of the reef buildup indicates 250-300 feet of relief. Oil production occurs in three porosity lenses below the main Strawn reef buildup. Mapping of the first oil porosity shows primarily regional west dip with some low relief. The trapping results from an updip porosity pinch-ou due to lithologic change.
Cities Service Oil Company recently purchased all producing properties in the field and plans for a pilot water-flood project in the oil zones and additional gas well completions have been proposed.
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