- To secure a high stability of oil prices.
- To secure a complete regulation and control of the supply of petroleum to the world market.
- To secure a common petroleum policy among member states.
- To raise funds for the development of the economy of member states.
- To control production level of member states in order to ensure that oil is not excessively produced.
- To secure suitable markets for oil produced by member states.
- To fight for the interest of its members.