Business Insider Australia | Oklahoma oil storage complex nears operational capacity News & Observer The massive oil storage complex at Cushing is nearing its operational capacity as oil inventories nationwide continue to rise. Home to the nation's largest oil storage facility, Cushing's sprawling tank complex held more than 51.5 million barrels of ... The US is Running Out of Oil Storage? The U.S. Oil Bust Just Got Worse GREENSPAN: The US is producing oil that has nowhere to go |