This is a log from an oil or gas well in the Bureau of Economic Geology's Geophysical Log Facility. API Number: 4238932426 Top Depth: 200 Ft. Bottom Depth: 6068 Ft. lease_name: SIEBER reservoir_name: COLLIE DELAWARE operator_name: MARSHALL & WINSTON INC log_source_name: Unknown state_name: Texas county_name: Reeves