The Arkoma Connector Pipeline, a smaller 51-mile pipeline owned by Marathon Petroleum Corporation and operated by MarkWest Pioneer, LLC, stretches across parts of Oklahoma and Arkansas. Operating near full capacity, it predominantly serves producers and marketers, with key clients including WSGP Gas Producing, MMGK East Ok LLC, and Foundation Energy Fund. The pipeline begins at MarkWest’s Sprague treatment plant in Coal County, Oklahoma, and extends to interconnections with other major pipelines near Bennington, Oklahoma.