This is a log from an oil or gas well in the Bureau of Economic Geology's Geophysical Log Facility. API Number: 423913194500 Top Depth: 1530 Ft. Bottom Depth: 7417 Ft. lease_name: HEARD, J.F.B. #30 reservoir_name: GRETA operator_name: EXXON CORP log_source_name: RRC datum_name: Unknown state_name: Texas county_name: Refugio