For highly heterogeneous reservoirs, chemical flooding after profile control is an important way for improving oil displacement effectiveness.
对于非均质性严重的油藏，先调剖再注三元复合体系段塞，这是提高化学驱油效果的重要途径。
For highly heterogeneous reservoirs, chemical flooding after profile control is an important way for improving oil displacement effectiveness.
对于非均质性严重的油藏，先调剖再注三元复合体系段塞，这是提高化学驱油效果的重要途径。
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