The Second Biggest Petroleum Producer and Leading Operator in Viet Nam


About Us
Hoang Long Joint Operating Company (HLJOC) was established by PetroVietnam Supervision Company (PVSC), SOCO Vietnam Ltd. (SOCO), Amerada Hess Vietnam Ltd. (HESS) and OPECO Vietnam Ltd. (OPECO). The Petroleum Contract was signed on 8th November 1999 and was effective from 8th December 1999.