| 556 | 1 | 03-07-2016 | | | SPGN | Approves request for an order to among other things: an approximate 1240-acre enhanced recovery unit, the Arikaree Creek State Unit, and unitized operations are hereby approved, for the production of oil, gas, and associated hydrocarbons from the Mississippian Spergen Formation. |
| 556 | 2 | 06-07-2016 | | | SPGN | Approves Nighthawk's request for an order to among other things: amend the description of the unit area in Order No. 556-1, determine that conditions set forth in Order No. 556-1 have been satisfied, which Order established the Arikaree Creek State Unit for the unitization of the Mississippian Spergen Formation in the Application Lands, Lincoln County, Colorado. |