July 5, 2021
US Gulf Coast Basins
Travis Peak Formation
Bossier Formation
Cotton Valley Formation: Located in east Texas and north Louisiana. Peak gas production was 2.5 Bcf/d in 2008-2009 and 1.5 Bcf/d in 2020.
Rockies
Uinta: Located in Utah had gas production of 0.5 Bcf/d in 2020. No new drilling.
Piceance: Found in Utah and Colorado had production of 1.1 Bcf/d in 2020. Drilling continues in Cretaceous Williams Fork Formation of the Mesaverde Group.
Powder River: located in Wyoming. No new drilling
Paradox: Located in southeastern Utah and southwestern Colorado. Exploration of Mancos, Gothic and Hovenweep Shale plays.
DJ Niobrara: Found in Colorado, is mostly tight oil production with liquids rich gas production, which is expected to grow.