Experiment shows that the reservoirs in Yanchang formation of Ordos Basin are stress-sensitive to different extent, resulting in damages of different degree to reservoir oil/water percolation.

室内实验发现，鄂尔多斯盆地延长组储层存在不同程度的应力敏感，由于应力敏感，对储层的油水渗流伤害程度也存在一定的差别，且油的渗流伤害普遍大于水的渗流伤害。

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