| 407 | 87 | 02-19-1992 | | | CODL, NB-CD, NBRR | Approves the request to establish spacing for the Niobrara Formation for certain lands previously spaced for the Codell Formation and to allow the downhole commingling of production from the Codell and Niobrara Formations. |
| 407 | 1447 | 09-14-2015 | | | CODL | Approves Noble Energy, Inc.’s request for an order to among other things: Pool all interests in the approximate 711.92-acre designated wellbore spacing unit established for the Application Lands, for the development and operation of the Codell Formation. |