State-run Abu Dhabi National Oil Corporation (ADNOC) has entered into an agreement with Chinese oil major, CNOOC to collaborate in the upstream and downstream sectors and LNG. The agreement requires the firms to share knowledge, best strategies and technologies in ultra-sour gas development. ADNOC and CNOOC will also consider business opportunities in the downstream sector. Adnoc Group CEO and CNOOC chairman exchanged the Strategic Framework Agreement.