在后续注水过程中，存在于大孔道的弱凝胶迫使后续注入水改向进入未被注入水波及的小孔隙，驱替的残余油滴聚集并形成油墙。
In the post-water flooding process, WG in the larger channels diverts the injected water entering the smaller pores and displacing residual oil to form oil bank in the front of the displacing water.
在后续注水过程中，存在于大孔道的弱凝胶迫使后续注入水改向进入未被注入水波及的小孔隙，驱替的残余油滴聚集并形成油墙。
In the post-water flooding process, WG in the larger channels diverts the injected water entering the smaller pores and displacing residual oil to form oil bank in the front of the displacing water.
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