Oklahoma spared its worst repeat oil violator because abandoned wells might become the state's problem

Citation Oil & Gas is named more often than any other operator in Oklahoma’s database of pollution reports and rule violations: more than 1,000 entries over the past decade. Yet the Oklahoma Corporation Commission has no record of ever fining the company or completing an enforcement case against it, according to a ProPublica and Frontier investigation.

The immediate dispute concerns wastewater injection around the Bayou oil field. State consultants concluded that excessive pressure from nearly two dozen injection wells had fractured underground rock, allowing polluted water to rise toward creeks, farmland and drinking-water sources. Tests near purge sites found salt, bromide and benzene at five times the federal drinking-water limit. Regulators shut 22 wells in 2023, but later allowed 13 Citation wells to restart—many above the pressure recommended by the state’s own $550,000 engineering consultant.

Staff prepared cases seeking fines and permit terminations. Agency leaders did not sign them. Current and former officials told the reporters that Citation had worn regulators down and that senior management feared a harder sanction could cause it to abandon unprofitable wells. Citation is Oklahoma’s second-largest well owner after buying aging assets that bigger producers left behind. If it walks away, plugging and cleanup costs can migrate to the public.

That is the trap: the more environmental liabilities a company accumulates, the more indispensable its continued operation can appear. Citation disputes the causal account, blaming historical drilling and rainfall for some pollution, and says it has addressed contamination under commission-approved plans. The regulator declined detailed comment because of possible proceedings.

The pattern extends beyond one operator. Fewer than a third of roughly 750 oil-division enforcement cases filed since 2023 have resulted in punishment; the average fine was about $1,700, and the most common was $500 combined with insurance money to plug a well. Oklahoma is not merely failing to enforce a rule. It has allowed the future cleanup bill to become leverage against enforcement today.