Well Name Horsetail 29G-2043 API 05-123-38807 RAW API 0512338807 Well Header Company Name Whiting Oil & Gas Corp. Geologic Unit Niobrara/Codell/Carlile/J Ss FM Code (USGS & Other) NBRR-JSND Well Location County Weld State CO Country US Basin / Province Denver Field Redtail TWN 10N RNG 57W SEC. 29 QTR-QTR SWNE Core Inventory Details Core Type Slab Numcore 3 Boxes 30 Boxes Interval 1-15/1-16/1-9 Box Size 24x5 Core Depth (Ft) 5689-6443 Horsetail 29G-2043 Lat / Long 40.810565 / -103.772697