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water flooding soak
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water flooding soak
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注水吞吐
释
water flooding soak
注水吞吐
在一个具有亲水性的密闭油藏单元内,起初向地层注入大量流体,然后关井憋压,利用油层的亲水性,发挥毛管力吸水排油的作用,将原油从低渗孔道排到高渗孔道,而注入水部分进入并驻留在低渗孔道,使油层内油水饱和度重新分布的采油方法。
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