In 2019, proved U.S. reserves of crude oil and lease condensate increased by 0.1%, and proved natural gas reserves declined by 1.9%, according to the U.S. Energy Information Administration’s (EIA) recently released Proved Reserves of Crude Oil and Natural Gas in the United States, Year-End 2019 report. Proved reserves of oil and natural gas each rose annually in the United States by at least 9% in the previous two years (2017 and 2018).