Saudi Arabia
Saudi Arabia.
Sandi Arabia
Saudi Arabia is the world's largest producer of crude oil.
Unites States
Saudi Arabia
Siberia definitely produces most of the worlds oil
Equatorial Guinea produces oil!
Canada
USA
oil and gas industry
Nigeria
Saudi Arabia.
U.a.e
Saudi Arabia with proven oil reserves of 264,600,000,000 barrels of oil.
China. China produces about 1.45 billion barrels of crude oil annually.
Saudi Arabia is the world's largest oil producer.