Sempra Energy, Saudi Aramco Sign Huge LNG Deal for Port Arthur LNG 23 May 2019 Affiliates of Sempra Energy and Saudi Aramco sign heads of agreement for Port Arthur LNG.Author: Capt. Johnhttps://worldmaritimenews.com/archives/277325/sempra-energy-saudi-aramco-sign-huge-lng-deal-for-port-arthur-lng/