This is a log from an oil or gas well in the Bureau of Economic Geology's Geophysical Log Facility. API Number: 421053976400 Top Depth: 100 Ft. Bottom Depth: 9548 Ft. reservoir_name: R.K.DEVONIAN operator_name: PIONEER NATURAL RES. USA, INC. log_source_name: RRC datum_name: Unknown state_name: Texas county_name: Crockett