ruso
tight oil 
Light crude oil contained in petroleum-bearing formations of low permeability, often shale or tight sandstone.
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Far more shale oil and gas would be economical at higher prices.
2
Oil by rail proliferated in tandem with the U.S. shale oil boom.
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That was before the shale oil boom redrew the global petroleum map.
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The United States might even provide state support for the shale oil industry.
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Liu added that China has recoverable shale oil resources of 10 billion tonnes.
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The Barnett region is known for its shale oil and natural gas resources.
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Since 2010, the amount of shale oil and gas produced has increased sixfold.
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Meanwhile supply has increased, partly due to the rise of US shale oil.
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Statoil has water-intensive shale oil and gas in the United States.
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Genie is a major investor in US and Israeli shale oil and gas projects.
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The domestic shale oil boom helped lead to a collapse in global crude prices.
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It would also transport growing supplies from North Dakota's booming Bakken shale oil fields.
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That would leave the multibillion-dollar upgrading plants less able to compete with shale oil.
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Argentina has some of the world's largest untapped shale oil and natural gas formations.
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The U.S. has lowered shale oil production amid weak demand.
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What if another shale oil giant bursts onto the scene?
