Transco Exploration Partners Ltd. (TXP), Houston, and an independent engineering firm have cut estimates of Chalkley field proved reserves in Cameron Parish, La., after TXP completed delineation drilling there. TXP's Chalkley reserves are on the auction block. Although independent and TXP estimates of Chalkley field Oligocene Miogyp gas equivalent reserves were reduced, both revisions estimated TXP owned reserves to be greater than at yearend 1990. Logs and other data from TXP's last Chalkley well, 1 TXP, indicate about 263 ft of net gas pay in Oligocene Miogyp B sands at 14,000-600 ft and 67 ft of net gas pay in...

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