Hexane extractable material in water-based and oil-based drilling fluid wastes collected from sites in Oklahoma, North Dakota, and Wyoming in 2021

Wells drilled during oil and gas exploration use drilling fluids to cool and lubricate the drilling bit and clear the borehole of cuttings. These fluids are recycled...油气勘探过程中钻探的井体需使用钻井液（drilling fluids）对钻头进行冷却与润滑，并清除井眼内的岩屑。此类钻井液可经循环回收再利用……