The Greater Anadarko Basin, including the STACK play, spans parts of western Oklahoma, the Texas Panhandle, southwestern Kansas, and southeastern Colorado. The STACK play is centered in Canadian, Kingfisher, Blaine, Major, and Garfield counties in Oklahoma. At the start of 2023, the daily production was 1,9 million BOE per day and reached 1,65 million BOE per day as of December 2023. The top operators in this region include Continental Resources, Ovintiv Inc., Devon Energy, Marathon Oil Corporation, and BCE-Mach III LLC.
