U.S. production of associated-dissolved natural gas, or associated natural gas, increased 7.9% in 2023 compared with 2022, averaging 17.1 billion cubic feet per day (Bcf/d) last year, according to data from Enverus Drillinginfo. Associated natural gas production, which is natural gas produced by wells that predominantly produce oil, comes mainly from five major oil-producing regions in the United States—the Permian, Bakken, Eagle Ford, Anadarko, and Niobrara.