It is Saudi Arabia it is also the biggest producer of oil and a member of OPEC.
hope this can help
saudi arabia
The largest petroleum producing country in the world is the United States.
Saudi Arabia is that country.
Venezuela has the largest petroleum reserves in the world.
Madagascar has the second largest petroleum factories in Africa
Russia
No. Turkey does not border the Persian Gulf and is actually smaller than Saudi Arabia, which is the largest country to border the Persian Gulf.
Saudi Arabia is the largest county that borders the Persian Gulf.
The United States is the world's largest producer of petroleum.
Persian Gulf
Canada
All the countries around the Persian Gulf have some of the world's largest oil reserves. The countries in this area with their worldwide ranking of oil production are Saudi Arabia (2nd), Iran (4th), Iraq (7th), United Arab Emirates (9th), Kuwait (11th), and Qatar (21st).