| 535 | 145 | 03-05-2012 | 85251 | UNNAMED | NBRR | Approves the request for an order to establish 14 approximate 640-acre drilling and spacing units consisting of Sections 29, 34 and 35 of Township 4 South, Range 64 West, 6th P.M., Sections 1, 3, 4, 14, 23, 24, 25 and 36 of Township 5 South, Range 64 West, 6th P.M., and Sections 18, 19 and 30 of Township 5 South, Range 63 West, 6th P.M., and authorize a horizontal well with the option to drill a second horizontal well in each proposed unit, for the production of oil, gas and associated hydrocarbons from the Niobrara Formation. |
| 535 | 249 | 01-07-2013 | 85251 | UNNAMED | NBRR | Approves the request for an order to vacate an approximate 640-acre drilling and spacing unit established by Order No. 535-145 for Section 14, Township 5 South, Range 64 West, 6th P.M. and to establish two approximate 1280-acre drilling and spacing unit for Sections 11, 12, 13 and 14, Township 5 South, Range 64 West, 6th P.M. and to approve up to two horizontal wells within each unit, for the production of oil, gas and associated hydrocarbons from the Niobrara Formation. |
| 535 | 840 | 07-24-2017 | 85251 | UNNAMED | NBRR | Approves Bison Oil & Gas, LLC’s request for an order to among other things: Approve an additional 14 horizontal wells for a total of up to 16 horizontal wells within an approximate 1,280-acre drilling and spacing unit established for the Application Lands, for the production of oil, gas and associated hydrocarbons from the Niobrara Formation. |