In September 2013, China's net imports of petroleum and other liquids exceeded those of the United States on a monthly basis, making it the largest net importer of crude oil and other liquids in the world. The rise in China's net imports of petroleum and other liquids is driven by steady economic growth, with rapidly rising Chinese petroleum demand outpacing production growth.

U.S. total annual petroleum and other liquids production is expected to rise 31% between 2011 and 2014 to 13.3 million barrels per day, primarily from tight oil plays. In the meantime, Chinese production will increase at a much lower rate (5% over this period) and is forecast to be only a third of U.S. production in 2014.

On the demand side, China's liquid fuels use is expected to reach more than 11 million barrels per day in 2014, while U.S. demand hovers close to 18.9 million barrels per day, well below the peak U.S. consumption level of 20.8 million barrels per day in 2005. U.S. refined petroleum product exports increased by more than 173% between 2005 and 2013, lowering total net U.S. imports of petroleum and other liquids.

China has been diversifying the sources of its crude oil imports in recent years as a result of robust oil demand growth and recent geopolitical uncertainties. Saudi Arabia continues to be the largest supplier of crude oil to China and in 2013 provided 19% of China's 5.6 million barrels per day. Because production levels from Iran, Libya, and Sudan and South Sudan dropped since 2011, China replaced the lost shares of crude oil and other liquids imports from these countries with imports from Oman, Iraq, the United Arab Emirates, Angola, Venezuela, and Russia.