This is a log from an oil or gas well in the Bureau of Economic Geology's Geophysical Log Facility. API Number: 423293371300 Top Depth: 4000 Ft. Bottom Depth: 8774 Ft. lease_name: SHACKELFORD SPRABERRY UNIT #162A reservoir_name: SPRABERRY(TREND) operator_name: PIONEER NATURAL RESOURCES USA INC log_source_name: RRC datum_name: Unknown state_name: Texas county_name: Midland