The Green River Basin in southwestern Wyoming has seen significant oil and gas production from its top five operators in the past year. Among these, Ultra Resources led with an impressive average production rate of about 31,030 barrels of oil equivalent per day (boe/d). Southland Royalty and Linn Energy are following closely, with daily production rates of approximately 27,900 boe/d and 24,750 boe/d, respectively. Devon Energy contributed around 19,340 boe/d, while Wexpro Company rounded out the list with about 15,600 boe/d. As of December 2023, daily production in the basin reached 464,000 BOE per day.