Oil Price, page-4

Hi Aqua,
Hope you had a brilliant Christmas. Saudi Aramco  is the State owned Company of Saudi Arabia, formerly  ARAMCO (Arabian American Oil Company). The Kingdom of Saudi Arabia took full control in 1980.  Here is a little info on the company -
Saudi Aramco (Arabic: أرامكو السعودية‎ ʾArāmkō s-Saʿūdiyyah), officially the Saudi Arabian Oil Company, most popularly known just as Aramco (formerly Arabian-American Oil Company) is a Saudi Arabian national petroleum and natural gas company based in Dhahran, Saudi Arabia.[6][7] Saudi Aramco's value has been estimated at up to US$10 trillion in the Financial Times, making it the world's most valuable company.[8][9][10] Saudi Aramco has total assets estimated at US$30 trillion, which includes the company's natural gas and oil reserves.[11]
Saudi Aramco has both the world's largest proven crude oil reserves, at more than 260 billion barrels (4.1×1010 m3),[5] and largest daily oil production.[12]
Headquartered in Dhahran, Saudi Arabia,[13] Saudi Aramco operates the world's largest single hydrocarbon network, the Master Gas System. Its 2013 crude oil production total was 3.4 billion barrels (540,000,000 m3),[5] and it manages over 100 oil and gas fields in Saudi Arabia, including 288.4 trillion standard cubic feet (scf) of natural gas reserves.[5] Saudi Aramco operates the Ghawar Field, the world's largest onshore oil field, and the Safaniya Field, the world's largest offshore oil field.[14