| 535 | 126 | 01-23-2012 | 85251 | UNNAMED | NB-CD | Approves the request for an order to establish an approximate 640-acre exploratory drilling and spacing unit consisting of Section 36, Township 10 North, Range 58 West, 6th P.M., and authorize one or more horizontal wells and one or more additional vertical well within the unit, for the production of oil, gas and associated hydrocarbons from the Codell and Niobrara Formations. |
| 535 | 451 | 12-16-2013 | 85251 | UNNAMED | NB-CD | Approves the request for an order to: 1) vacate three approximate 640-acre drilling and spacing units established by Order No. 535-3 for Sections 2, 11 and 12, Township 9 North, Range 58 West, 6th P.M.; 2) vacate an approximate 640-acre drilling and spacing unit established by Order No. 535-69 for Section 1, Township 9 North, Range 58 West, 6th P.M.; 3) vacate Order No. 535-126; and 4) establish an approximate 3,200-acre unconventional resource unit (URU) consisting of Sections 1, 2, 11, 12 and 36, Townships 9 and 10 North, Range 58 West, 6th P.M., for the production of oil, gas and associated hydrocarbons from the Codell-Niobrara Formation. |