G. Alan Petzet Senior Staff Writer Cretaceous Buda limestone oil production has been established in an area of South Texas that could give further impetus to the already hot Austin chalk horizontal drilling play. Two wells almost 1 1/2 miles apart in Frio County, Tex., along the Atascosa County line have begun producing oil at high rates from Buda. The wells appear to be zone discoveries in the same fault block in Pruitt (upper Cretaceous Navarro) field, about 15 miles east of Pearsall, Tex. FIRST WELL Fossil Bay Petroleum Inc., Irving, Tex., drilled 1 Tschirhart in March and April vertically into B...

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