| 535 | 3 | 02-22-2011 | 85251 | UNNAMED | NBRR | Approves the request for an order to establish one hundred and sixty (160) approximate 640-acre drilling and spacing units for certain lands in Townships 8, 9 and 10, North, Ranges 58 through 61, West, 6th P.M., and allow one horizontal well in each unit, for the production of oil, gas and associated hydrocarbons from the Niobrara Formation. |
| 535 | 257 | 01-07-2013 | 85251 | UNNAMED | NBRR | Approves the request for an order to pool all interests in an approximate 640-acre established drilling and spacing unit established for Section 34, Township 9 North, Range 59 West, 6th P.M., for the development and operation of the Niobrara Formation. |
| 535 | 480 | 04-28-2014 | 85251 | UNNAMED | NB-CD | Approves the request for an order to among other things: 1) Vacate five approximate 640-acre drilling and spacing units established by Order No. 535-3 for Sections 25, 26, 27, 34 and 35, Township 9 North, Range 59 West, 6th P.M. 2) Vacate Order Nos. 535-257, 535-282 and 535-434. 3) Establish an approximate 3,200-acre unconventional resource unit for the Codell and Niobrara Formations. 4) Determine the appropriate number of wells to efficiently and economically recover the oil, gas and associated hydrocarbons from Codell and Niobrara Formations. |
| 535 | 635 | 03-02-2015 | 85251 | UNNAMED | NB-CD | Approves Noble Energy, Inc.’s (Operator No. 100322) request for an order to among other things: Pool all interests in an approximate 3200-acre Unconventional Resource Unit established for the Application Lands, for the development and operation of the Codell and Niobrara Formations. |
| 535 | 994 | 03-19-2018 | 85251 | UNNAMED | NB-CD | Approves Noble Energy, Inc.’s request for an order to among other things: Subject all additional nonconsenting interests and any party failing to fulfill its election, in the 3,200-acre unconventional resource unit established for the Application Lands for the development and operation of the Codell and Niobrara Formations. |