Now the world's top oil exporter, the Gulf Arab state provides over a tenth of oil supplies and is raking in windfall revenues as prices reach new highs. U.S. crude CLc1 hit a fresh record of $130 a barrel on Wednesday.
The festivities were held in a purpose-built dome raised around the well that first tapped commercial quantities of Saudi oil, now called the "prosperity well".
On display was the original copy of the first oil concession Riyadh signed with U.S. firm Standard Oil of California in 1933, heralding a search that had prolific results. The kingdom holds a fifth of global oil reserves.
Since then, oil has been at the centre of a web of diplomatic, economic, political and security interests that bind Saudi Arabia to the United States.
Washington also agreed last week to help safeguard Saudi oil facilities. Saudi Arabia holds almost all global spare oil capacity, a reserve crucial to meet surprise supply disruptions.




