This is a log from an oil or gas well in the Bureau of Economic Geology's Geophysical Log Facility. API Number: 423153090000 Top Depth: 1349 Ft. Bottom Depth: 11264 Ft. lease_name: BILLINGSLEY ESTATE #1 reservoir_name: LASSATER operator_name: DEVON ENER OPERATNG CI, LP log_source_name: RRC datum_name: Unknown state_name: Texas county_name: Marion