This is a log from an oil or gas well in the Bureau of Economic Geology's Geophysical Log Facility. API Number: 422453144400 Top Depth: 3198 Ft. Bottom Depth: 8822 Ft. lease_name: CRAIGEN #A-1 reservoir_name: N BIG HILL operator_name: PETRUS OPRG CO log_source_name: BEG datum_name: Unknown state_name: Texas county_name: Jefferson