As of Forbes' 2013 World's Billionaires list, Hamm is worth $11.3 billion, the vast majority held in shares of his oil giant Continental Resources, the biggest player in the booming Bakken shale region of North Dakota.
His wife Sue Ann, a lawyer and economist, could take half depending on whether the duo has a pre-nup. A $5 billion pay-out would be the most expensive divorce in history.
