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A method for displacement of the oil from an underground reservoir and means for this purpose,
A method for displacement of the oil from an underground reservoir and means for this purpose,
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机译:一种用于从地下油藏驱油的方法和用于该目的的装置,
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摘要
In a steam-foam-displacement of oil within a reservoir formation having a significant ion-exchange capacity for releasing multivalent cations, the rate of the steam foam propagation is increased by injecting a mixture of steam and a steam-foaming surfactant mixture comprising an independently effective steam-foaming sulfonate surfactant mixed with a lesser amount of an alkyl or alkylarylpolyalkoxyalkylene sulfonate cosurfactant.
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