This is a log from an oil or gas well in the Bureau of Economic Geology's Geophysical Log Facility. API Number: 420573146900 Top Depth: 1722 Ft. Bottom Depth: 10396 Ft. lease_name: KARCHER #1 reservoir_name: EAST CHAPA operator_name: CAVALLA log_source_name: RRC datum_name: Unknown state_name: Texas county_name: Calhoun