Saudi Arabian Oil Co., the world's biggest oil company, said Tuesday it boosted its recoverable oil and gas reserves in 2009, and raised total crude oil production capacity to 12 million barrel a day, while crude production fell.

"In 2009, Saudi Aramco's historic program to raise its maximum sustainable crude oil production capacity to 12 million barrels per day was achieved," Khalid Al Falih, Aramco's president and chief executive officer, said in the 2009 annual report published on the company website.

Aramco's recoverable crude oil and condensate reserves rose to 260.1 billion barrels in 2009 from 259.9 billion a year earlier, the report says.

Total annual crude oil production declined to 2.88 billion barrels in 2009 from 3.27 billion a year earlier, while average daily crude production fell to 7.9 million barrels last year from 8.9 million in 2008, the report says.

Production fell as Saudi Arabia 's oil output was curtailed by lower quotas agreed on by the Organization of Petroleum Exporting Countries in late 2008.

Aramco's recoverable associated and non-associated gas reserves increased 4.6% to 275.2 trillion standard cubic feet in 2009, with average daily gas production at 8.56 billion cubic feet and total annual production at 3.2 trillion cubic feet.

Aramco made two new oil discoveries at Sirayyan and Sanaman last year, according to the report.

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