| 232 | 23 | 10-19-1981 | 90750 | WATTENBERG | JSND | Amends Order 232 20 and allows drilling of an additional well on each 320 acre unit in the area not included in Order 232 20. |
| 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 | 1294 | 04-13-2015 | | | NBRR | Approves PDC Energy, Inc.’s request for an order to among other things: Allow 300 foot setbacks as to the unit boundaries of the Peterson Ridge Federal Exploratory Unit, composed of the Application Lands, for the production of the oil, gas, and associated hydrocarbons from the Niobrara Formation. |
| 407 | 1306 | 04-13-2015 | | | CODL | Approves PDC Energy, Inc.’s request for an order to among other things: Pool all interests in an approximate 320-acre designated horizontal wellbore spacing unit for the development and operation of the Codell Formation. |
| 407 | 2940 | 10-30-2019 | | | NB-CD | Among other things: an approximate 1,670-acre drilling and spacing unit for the Application Lands is hereby established, and up to 18 horizontal wells within the unit are approved for production from the Niobrara and Codell Formations. |
| 407 | 2993 | 12-16-2019 | | | NBRR | Among other things IT IS HEREBY ORDERED:
Pursuant to the provisions of § 34-60-116, C.R.S., all interests in the designated horizontal wellbore spacing units established for the Application Lands are hereby pooled, for the development and operation of the Niobrara Formation, effective as the date the Application was filed. |
| 499 | 15 | 11-16-1992 | 90750 | WATTENBERG | DKTA | Approves the Commission motion to establish 320-acre drilling and spacing units for certain lands previously not spaced in the lands covered by Cause No. 232, for production from the Dakota Formation, to provide for procedures to obtain exceptions to the permitted well locations and to allow the recompletion and downhole commingling of production from the Dakota, "J" Sand, Codell, Niobrara, Sussex and Shannon Formations. |