| 535 | 3 | 02-22-2011 | 85251 | UNNAMED | NBRR | Approves the request for an order to establish one hundred and sixty (160) approximate 640-acre drilling and spacing units for certain lands in Townships 8, 9 and 10, North, Ranges 58 through 61, West, 6th P.M., and allow one horizontal well in each unit, for the production of oil, gas and associated hydrocarbons from the Niobrara Formation. |
| 535 | 265 | 02-11-2013 | 85251 | UNNAMED | NBRR | Approves the request for an order to approve up to six horizontal wells within each of five approximate 640-acre exploratory drilling and spacing units established for various sections in Townships 8 and 9 North, Ranges 59, 60 and 61 West, 6th P.M., for the production of oil, gas and associated hydrocarbons from the Niobrara Formation. |
| 535 | 287 | 03-25-2013 | 85251 | UNNAMED | NBRR | Approves the request for an order to pool all interests within five approximate 640-acre drilling and spacing units established for Section 20, Township 8 North, Range 61 West, 6th P.M., Section 15, Township 9 North, Range 59 West, 6th P.M., Sections 25 and 35, Township 9 North, Range 60 West, 6th P.M., for the development and operation of the Niobrara Formation. |
| 535 | 371 | 07-29-2013 | 85251 | UNNAMED | NBRR | Approves the request for an order to for an order to approve up to thirteen horizontal wells within an approximate 640-acre drilling and spacing unit consisting of Section 35, Township 9 North, Range60 West, 6th P.M., for the production of oil, gas and associated hydrocarbons from the Niobrara Formation. |
| 535 | 456 | 01-27-2014 | 85251 | UNNAMED | NBRR | Approves the request for an order to approve an additional three horizontal wells, for a total of up to 16 horizontal wells within an approximate 640-acre drilling and spacing unit established for Section 35, Township 8 North, Range 60 West, 6th P.M., for the production of oil, gas and associated hydrocarbons from the Niobrara Formation, with the treated interval of the wellbore to be located no closer than 300 feet from the unit boundaries. |
| 535 | 996 | 01-28-2019 | 85251 | UNNAMED | NFCC | Approves an approximate 640-acre drilling and spacing unit established by Order No. 535-3 to include the Fort Hays, Codell, and Carlile Formations and a total of up to 14 horizontal wells within the unit for the production of oil, gas and associated hydrocarbons from the Niobrara, Fort Hays, Codell, and Carlile Formations. |