This is a log from an oil or gas well in the Bureau of Economic Geology's Geophysical Log Facility. API Number: 4213539404 Top Depth: 4000 Ft. Bottom Depth: 10672 Ft. lease_name: BARNEY reservoir_name: SALLIE ANN SPRABERRY-WOLFCAMP operator_name: KEYSTONE PETROLEUM GP LLC log_source_name: Unknown state_name: Texas county_name: Ector