Industrial and mineral use and CBNG permits
Figures 8-4 and 8-5 show the distribution of industrial, mineral, and CBNG permits in the WBRB, permits issued before and after 2000, and Tribal Water Engineer (TWE) permits. Most industrial and mineral wells in the WBRB are clustered in rural areas around conventional oil and gas fields (Figure 5-3) and a former uranium mining area in the Gas Hills (Figures 5-7 and 5-9). Industrial developments are mostly located at lower elevations around the perimeter of the basins within Mesozoic and Tertiary outcrop areas. Fewer wells are located within interior areas of the basins in Quaternary and Tertiary outcrop areas. The few CBNG wells in the WBRB are completed in Tertiary Fort Union coal beds in the Wind River Basin and in Cretaceous Mesa Verde coals in the Bighorn Basin.
Permitted industrial and mineral wells
Permitted coalbed natural gas wells
The depth vs. yield tables on Figure 8-4 show that industrial/ mineral groundwater permits have been issued over a range of depths to greater than 1000 feet, with most permitted yields to 500 gpm for both total permits and permits issued since 2000. Approximately half the industrial/mineral–use permits are coded or have no recorded depth, 43 have coded yield information, and none of the TWE data include depth. The depth vs. yield tables on Figure 8-5 show that all the CBNG wells are permitted by the WSEO for 100 gpm and that all but four have no recorded depth. Most of the CBNG permits have been issued since 2000.
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