This is a log from an oil or gas well in the Bureau of Economic Geology's Geophysical Log Facility. API Number: 420033922200 Top Depth: 200 Ft. Bottom Depth: 4940 Ft. lease_name: SERIO (GRAYBURG)UNIT reservoir_name: SERIO (GRAYBURG) operator_name: FASKEN OIL AND RANCH, LTD. log_source_name: RRC datum_name: Unknown state_name: Texas county_name: Andrews