This is a log from an oil or gas well in the Bureau of Economic Geology's Geophysical Log Facility. API Number: 4238335644 Top Depth: 4000 Ft. Bottom Depth: 7982 Ft. lease_name: HELWIG reservoir_name: SPRABERRY TREND AREA operator_name: MARINER ENERGY INC log_source_name: Unknown state_name: Texas county_name: Reagan