This is a log from an oil or gas well in the Bureau of Economic Geology's Geophysical Log Facility. API Number: 423293331200 Top Depth: 4000 Ft. Bottom Depth: 8745 Ft. lease_name: SHACKELFORD SPRABERRY UNIT #154A reservoir_name: SPRABERRY(TREND AREA) operator_name: PARKER & PARSLEY DEVEL CO LP log_source_name: RRC datum_name: Unknown state_name: Texas county_name: Midland