The oil field runs southeast to northwest, with a length of approximately and a width of , from east of Maricopa to south of McKittrick, paralleling the Temblor Range to the southwest. Most of the oil field is in the Midway Valley and the northeastern foothills of the Temblor Range. To the northeast are the Buena Vista Hills, paralleling the Midway Valley and the Temblors; the mostly exhausted, and partially abandoned Buena Vista Oil Field lies beneath this adjacent low range of hills.