| 535 | 69 | 09-19-2011 | 85251 | UNNAMED | NBRR | Approves the request for an order to establish forty (40) approximate 640-acre drilling and spacing units for certain lands located in Townships 7 through 9 North, Ranges 59 and 61 West, 6th P.M., and approve two (2) horizontal wells within each unit, for the production of gas and associated hydrocarbons from the Niobrara Formation. |
| 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. |