The Appalachian Marcellus basin has the greatest proved reserves of any shale play in the United States. As of 2022, proved natural gas reserves in that area amounted to 153 trillion cubic feet, nearly twice the size of the second-largest shale play in the Permian Basin. Marcellus is responsible for 10 trillion cubic feet in shale gas production per year.
Shale gas reserves in the United States in 2022, by shale play
(in trillion cubic feet)
Basin (shale play)
Production in trillion cubic feet
Appalachian (Marcellus)
153.2
Permian Basin (Wolfcamp, Bone Spring)
81.3
Texas-Louisiana Salt (Haynesville/Bossier)
61.1
Western Gulf (Eagle Ford)
39.6
Appalachian (Utica/Pt. Pleasant)
32.4
Anadarko, S. OK (Woodford)
24
Williston (Bakken/Three Forks)
13.2
Fort Worth (Barnett)
9
Arkoma (Fayetteville)
5.3
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EIA. (April 29, 2024). Shale gas reserves in the United States in 2022, by shale play (in trillion cubic feet) [Graph]. In Statista. Retrieved May 11, 2025, from https://www.statista.com/statistics/995669/us-shale-gas-reserves-by-shale-play/
EIA. "Shale gas reserves in the United States in 2022, by shale play (in trillion cubic feet)." Chart. April 29, 2024. Statista. Accessed May 11, 2025. https://www.statista.com/statistics/995669/us-shale-gas-reserves-by-shale-play/
EIA. (2024). Shale gas reserves in the United States in 2022, by shale play (in trillion cubic feet). Statista. Statista Inc.. Accessed: May 11, 2025. https://www.statista.com/statistics/995669/us-shale-gas-reserves-by-shale-play/
EIA. "Shale Gas Reserves in The United States in 2022, by Shale Play (in Trillion Cubic Feet)." Statista, Statista Inc., 29 Apr 2024, https://www.statista.com/statistics/995669/us-shale-gas-reserves-by-shale-play/
EIA, Shale gas reserves in the United States in 2022, by shale play (in trillion cubic feet) Statista, https://www.statista.com/statistics/995669/us-shale-gas-reserves-by-shale-play/ (last visited May 11, 2025)
Shale gas reserves in the United States in 2022, by shale play (in trillion cubic feet) [Graph], EIA, April 29, 2024. [Online]. Available: https://www.statista.com/statistics/995669/us-shale-gas-reserves-by-shale-play/
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