This is a log from an oil or gas well in the Bureau of Economic Geology's Geophysical Log Facility. API Number: 421650075100 Top Depth: 4751 Ft. Bottom Depth: 12572 Ft. lease_name: BUTLER B #4 reservoir_name: GLASCO DEVONIAN operator_name: CITIES SERVICE OIL CO log_source_name: RRC datum_name: Unknown state_name: Texas county_name: Gaines