The Minister of Petroleum and Mineral Resources Ali bin Ibrahim Al-Naimi headed the delegation of the Kingdom of Saudi Arabia to the meetings of the Organization of Arab Petroleum Exporting Countries (OAPEC) which started its deliberations here today. The meetings dealt with an in-depth discussion on the enhancement of joint cooperation in the areas of oil, gas and petrochemicals. It also focused on the exchange of views on the situations of world oil markets and the establishment of joint oil projects among OAPEC member states.