This is a log from an oil or gas well in the Bureau of Economic Geology's Geophysical Log Facility. API Number: 424593055600 Top Depth: 118 Ft. Bottom Depth: 3776 Ft. reservoir_name: KARRAN N (MARBLE FALLS) operator_name: JECCO INC. log_source_name: RRC datum_name: Unknown state_name: Texas county_name: Upshur