This is a log from an oil or gas well in the Bureau of Economic Geology's Geophysical Log Facility. API Number: 420333183100 Top Depth: 200 Ft. Bottom Depth: 7629 Ft. lease_name: JO-MILL UNIT #4317 reservoir_name: SPRABERY operator_name: CHEVRON USA INC log_source_name: RRC datum_name: Unknown state_name: Texas county_name: Borden