| 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 | 2909 | 09-25-2019 | | | NB-CD | Among others things: approves an approximate 2,240-acre drilling and spacing unit, and up to 13 horizontal wells within the unit are approved for production from the Niobrara and Codell Formations. |
| 407 | 3208 | 04-21-2021 | | | NBRR | Among other things pool all interests an approximate 2,240-acre drilling and spacing unit established for the described Application Lands, and to subject all nonconsenting interests to the cost recovery provisions of § 34-60-116(7), C.R.S., for the drilling of the Rampart A32-721 Well (API No. 05-123-50933), the Rampart A32-730 Well (API No. 05-123-50929), the Rampart A32-739 Well (API No. 05-123-50930), the Rampart A32-751 Well (API No. 05-123-50931), the Rampart A33-740 Well (API No. 05-123-50925), the Rampart A33-750 Well (API No. 05-123-50927), the Rampart A33-760 Well (API No. 05-123-50926), the Rampart A33-770 Well (API No. 05-123-50928), the Rampart A33-780 Well (API No. 05-123-50934), the Rampart A33-790 Well (API No. 05-123-50932), the Roth A32-760 Well (API No. 05-123-51330), the Roth A32-770 Well (API No. 05-123-51333), and the Roth A32-779 Well (API No. 05-123-51328), for the development and operation of the Niobrara Formation. |
| 464 | 3 | 01-16-1990 | | | PRKM | Amends Order No. 464 1 by increasing the spaced area for the production of oil from the Parkman formation found under Sections 26, 27, 35 and 36 T6N R65W 6th PM. |