Sempra Energy, Saudi Aramco Units Ink IPPA for Port Arthur LNG Export Facility 7 January 2020 Sempra LNG and Aramco Services Company have signed an interim project participation agreement for Port Arthur LNG.Author: Capt. Johnhttps://worldmaritimenews.com/archives/288852/sempra-energy-saudi-aramco-units-ink-ippa-for-port-arthur-lng-export-facility/