This is a log from an oil or gas well in the Bureau of Economic Geology's Geophysical Log Facility. API Number: 420033578500 Top Depth: 5774 Ft. Bottom Depth: 9486 Ft. lease_name: ARMSTRONG, ELIZABETH #23 reservoir_name: ANDREWS WOLFCAMP operator_name: MOBIL PRODG TX & NM INC log_source_name: RRC datum_name: Unknown state_name: Texas county_name: Andrews