CNOOC was envisaged as a cornerstone customer of Gorgon and agreed in 2003 to take a 12.5 per cent stake of the Gorgon project as part of a 25-year supply deal.

• 中海油曾被设想为高更项目的关键客户。该公司于2003年同意获取高更项目12.；5%25的股权，这是一项25年期供应交易的一部分。