One of the key players in the oil and gas sector is the entrepreneur Harold Hamm. His estimated net worth is $14.2 billion. In 1988, he wed Sue Ann Arnall, an economist, and attorney. During their 17 years of marriage, they had two kids. Despite divorcing in 2005, the divorce documents were only submitted in 2012. According to a Wall Street Journal report, “She refused a $974,790.317.77 divorce settlement check, claiming that doing so “would prejudice her appeal” with Mr. Hamm. However, she deposited the $975 million settlement money relatively quickly.