| 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 | 819 | 07-29-2013 | | | CODL | Approves the request for an order to pool all interests in an approximate 320-acre designated wellbore spacing unit consisting of certain lands in Section 1, Township 6 North, Range 67 West, 6th P.M., for the development and operation of the Codell Formation. |
| 407 | 934 | 01-27-2014 | | | CODL | Approves the request for an order to pool all interests in an approximate 400-acre designated wellbore spacing unit established for certain lands in Sections 1, 2, 11 and 12, Township 6 North, Range 67 West, 6th P.M., for the development and operation of the Codell Formation. |
| 407 | 1023 | 04-28-2014 | | | NBRR | Approves the request for an order to among other things: Pool all interests in an approximate 320-acre designated wellbore spacing unit for the development and operation of the Niobrara Formation. |
| 407 | 1134 | 10-27-2014 | | | NBRR | Approves PDC Energy, Inc.’s request for an order to among other things: Pool all interests in an approximate 400-acre designated horizontal wellbore spacing unit established for the Application Lands, for the development and operation of the Niobrara Formation. |
| 407 | 1612 | 01-27-2016 | | | CODL | Approves PDC Energy, Inc.’s request for an order to among other things: 1) Subject additional parties to Order No. 407-934, which pools all interests in an approximate 400-acre designated horizontal wellbore spacing unit, for the development and operation of the Codell Formation. 2) Subject any non-consenting interests to the cost recovery provisions of §34-60-116(7), C.R.S., effective as of the earlier of the date of the Application, or the date that any of the costs specified in §34-60-116(7)(b), C.R.S. were first incurred for the drilling of the Simonsen 1I-421 Well (API No. 05-123-35976). |
| 407 | 1777 | 08-29-2016 | | | NB-CD | Approves Great Western Operating Company, LLC’s request for an order to among other things: Establish an approximate 480-acre drilling and spacing unit for the Application Lands for the production of oil, gas and associated hydrocarbons from the Codell and Niobrara Formations; 2) Approve up to ten (10) horizontal wells within the unit. |
| 407 | 2778 | 03-11-2019 | | | NB-CD | Among other things approves an order to establish an approximate 1,424.69-acre drilling and spacing unit , is hereby established, and a total of up to 36 horizontal wells within the unit, are hereby approved, for the production of oil, gas and associated hydrocarbons from the Niobrara and Codell Formations:
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| 407 | 2848 | 05-21-2019 | | | NB-CD | Among other things approves an order for all interests in an approximate 1,424.69-acre drilling and spacing unit established for the Application Lands are hereby pooled, for the development and operation of the Niobrara and Codell Formations, effective as of the date the Application was filed with the Commission. |
| 407 | 2875 | 07-31-2019 | | | NBRR | Approves 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. |
| 407 | 2876 | 07-31-2019 | | | NB-CD | Approves 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 and Codell Formations, effective as the date the Application was filed. |
| 407 | 2979 | 11-20-2019 | | | NB-CD | Among other things: all nonconsenting interests within the drilling and spacing unit established for the Application Lands are hereby subjected to the cost recovery provisions of § 34-60-116(7), C.R.S., for the drilling of the Wells, for the development and operation of the Niobrara and Codell Formations. |