This is a log from an oil or gas well in the Bureau of Economic Geology's Geophysical Log Facility. API Number: 421733195800 Top Depth: 2841 Ft. Bottom Depth: 8196 Ft. lease_name: CALVERLY, THEORA #4036 reservoir_name: BLALOCK LAKE, S. (WOLFCAMP) operator_name: DIAMOND SHAMROCK EXPL CO log_source_name: RRC datum_name: Unknown state_name: Texas county_name: Glasscock