This is a log from an oil or gas well in the Bureau of Economic Geology's Geophysical Log Facility. API Number: 423993340000 Top Depth: 1355 Ft. Bottom Depth: 3698 Ft. lease_name: HAYES #4 reservoir_name: PONY CREEK operator_name: SOUTHERN UNION EXPL log_source_name: RRC datum_name: Unknown state_name: Texas county_name: Runnels