Diana Skarphol's family received oil royalties for decades until deductions appeared in 2015, reducing their income significantly. These deductions, covering costs like transportation, were not explained and sparked a decade-long search for answers. Companies withhold a portion of royalty payments to cover these costs, impacting private mineral owners. The state of North Dakota has not taken action to regulate these deductions, unlike other states that do. Industry representatives claim deductions are necessary for transporting oil, citing a court ruling allowing them. Private mineral owners feel cheated, as their leases often don't mention deductions and the industry has changed. The article highlights the double standard between how the state and private owners are treated. North Dakota lawmakers have rejected efforts to protect private mineral rights despite the potential for large financial losses. The situation has led to frustration and calls for greater transparency and regulation. The oil industry attributes the increased costs to state regulations and infrastructure investments. The article highlights the ongoing debate about fairness and the impact of deductions on private mineral owners' income.