This is a log from an oil or gas well in the Bureau of Economic Geology's Geophysical Log Facility. API Number: 422113247600 Top Depth: 8000 Ft. Bottom Depth: 13986 Ft. lease_name: ZYBACH 66 #1 reservoir_name: BRISCOE operator_name: DREYFUS, LOUIS NAT GAS CORP log_source_name: RRC datum_name: Unknown state_name: Texas county_name: Hemphill