This is a log from an oil or gas well in the Bureau of Economic Geology's Geophysical Log Facility. API Number: 420573165300 Top Depth: 7608 Ft. Bottom Depth: 9600 Ft. lease_name: TRULL 'B' operator_name: BRIGHAM OIL & GAS, L.P. log_source_name: RRC datum_name: Unknown state_name: Texas county_name: Calhoun