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Tight oil consists of light crude contained in petrol certain petrol-bearing formations – shales . It uses the same technology used in the boom in production of shale gas. Oil shale and shale oil differs by viscosity and the method of extraction .
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Tight oilconsists of light crude contained in petrolcertain petrol-bearing formations – shales. It uses the same technology used in the boom in production of shale gas. Oil shale and shale oil differs by viscosity and the method of extraction. Tight oil formations include the Bakken Shale, the Niobara ,Barnett Shale, and the Eagle Ford Shale in the United States,