257 | 1 | 07-19-1972 | 52075 | LOWRY | JSND | Establishes 80 acre drilling and spacing units for the production of oil from the "J" Sand. Each such drilling unit shall be W1/2 and E1/2 or N1/2 and S1/2 of each quarter section with the permitted well to be located in the center of the NE1/4 and SW1/4 of each quarter section with a tolerance of 200 feet in any direction to avoid surface hazards. |
535 | 97 | 10-31-2011 | 85251 | UNNAMED | NBRR | Approves the request for an order establishing 30 approximate 640 acre drilling and spacing units for lands in Townships 4 and 5 South, and Ranges 64 and 65 West, 6th P.M., Arapahoe County, for the production of oil, gas, and associated hydrocarbons from the Niobrara Formation. |