However, Saudi Arabia's oil production was up by 9% that year, and the main embargo lasted only ten days and was completely ended by the Khartoum Conference.

to be a conservative Arab political organization which, by restricting membership to countries whose main export was oil, would exclude governments seen as radical – such as those of Egypt and Algeria.

Iraq initially declined to join, preferring to work under the umbrella of the Arab League, considering OAPEC too conservative.

In October of that year, the forces of Egypt and Syria attempted to overwhelm the state of Israel in an offensive later known as the Yom Kippur War.

On 16 October, ten days after the war's start, Kuwait hosted separate meetings of both OAPEC and the Persian Gulf members of OPEC, including Iran.

OAPEC resolved to cut oil production by 5% monthly "until the Israeli forces are completely evacuated from all the Arab territories occupied in the June 1967 war".

OAPEC consists of the Council of Ministers that holds the supreme authority over the Executive Bureau, the General Secretariat, and the Judicial Tribunal.