MarkWest’s Mobley, WV Wet Gas Processing Plant Goes Online December 13, 2012 Energy Services, Industrywide Issues, MarkWest Energy, Processing Plants, West Virginia, Wetzel County MarkWest Energy today announced the first of it’s three planned Mobley processing plants, located in Wetzel County, WV, is now online and producing. The plant is currently operating at 60% of capacity. MarkWest’s announcement: Please Login to view this content. (Not a member? Join Today!) Related Post navigation Mahoning Utica Pipeline/Processing Plant “Moving Forward”Small Businesses Learn about Selling to Utica Shale Drillers You do not have permission to view the comments. Click here to cancel reply. Please Login to post a comment Notify me of follow-up comments by email.