ONEOK Field (/ˈwʌnoʊk/ WUN-ohk) is a baseball park in Tulsa, Oklahoma. Located in the historic Greenwood district adjacent to downtown Tulsa, it is the home of the Tulsa Drillers of the AA Texas League. The stadium is named for ONEOK, a natural gas utility.ONEOK Field is also the home of the Tulsa Roughnecks FC of the United Soccer League since 2015.