This is a log from an oil or gas well in the Bureau of Economic Geology's Geophysical Log Facility. API Number: 424973539200 Top Depth: 850 Ft. Bottom Depth: 7736 Ft. lease_name: JOHNSON, W. D. "A" reservoir_name: NEWARK, EAST (BARNETT SHALE) operator_name: DEVON ENERGY PRODUCTION CO, L.P. log_source_name: RRC datum_name: Unknown state_name: Texas county_name: Wise