Howell Patroleum Corp. No description specified. 1-2 (2 Records) Documents Class III Cultural Resource Inventory of Howell Petroleum Corporatio, USA #19-1 Well's Access Road Segment, Park County, Wyoming. (2002) Class III Cultural Resource Inventory of Howell Petroleum Corporatio, USA #19-1 Well's Flowline, Park County, Wyoming. (2002)