This is a log from an oil or gas well in the Bureau of Economic Geology's Geophysical Log Facility. API Number: 423293315400 Top Depth: 4000 Ft. Bottom Depth: 9076 Ft. lease_name: SHACKELFORD SPRABERRY UNIT #4108A reservoir_name: SPRABERRY(TREND AREA) operator_name: PARKER & PARSLEY DEVEL CO log_source_name: RRC datum_name: Unknown state_name: Texas county_name: Midland