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METHOD OF RECOVERING OIL FROM AN UNDERGROUND ACCUMULATION BY GAS INJECTION
METHOD OF RECOVERING OIL FROM AN UNDERGROUND ACCUMULATION BY GAS INJECTION
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机译:通过注气法从地下堆积物中回收油的方法
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摘要
A method of recovering oil from an underground accumulation of oil. The method comprises introducing into the top of the accumulation of oil a gas whereby oil is forced from the accumulation to a well. In particular, oil in recesses opening downwardly is forced downwardly by the gas to leave the recess and migrate to the well.
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