As of June 8, 2016, SEI Operating, LLC acquires CrossFoot Energy, LLC Permian Basin Assets.

Oil and well acquisitions: SEI Operating has acquired oil leases and wells in the Permian Basin formerly operated by CrossFoot Energy. SEI operates, manages, and oversees these Permian based properties including its wells primarily in Martin, Dawson, Yoakum and Terry counties. In addition, SEI also manages oil and gas leasing, royalty acquisition, surface right of way, title, and other land acquisition activities in East Texas and Louisiana.

SEI Operating, LLC is part of the T&F family of businesses, which has enjoyed highly successful oil and gas exploration, development, acquisition and operations of oil properties since 1946. SEI is based in Mandeville, Louisiana with field offices in Midland, Texas.