Well Name Horsetail 19N-1924M API 05-123-39885 RAW API 0512339885 Well Header Company Name Whiting Oil & Gas Corp. Geologic Unit Niobrara/Codell/Carlile FM Code (USGS & Other) NBRR-CRLL Well Location County Weld State CO Country US Basin / Province Denver Field Redtail TWN 10N RNG 57W SEC. 19 QTR-QTR SWSE Core Inventory Details Core Type Slab Numcore 5 Boxes 55 Boxes Interval 1-6/1-12/1-12/1-19/1-10 Box Size 24x5 Core Depth (Ft) 5420-5966.85 Horsetail 19N-1924M Lat / Long 40.81886 / -103.794243