进一步说明不能用传统的达西公式计算气体钻井中低渗透地层液体侵入量。
It further proves that the traditional Darcy formulae cannot be used to calculate the liquid influx during gas drilling of low-permeability formations.
根据高速离心法测定的毛管压力数据，评价了注水处理剂对中低渗透率地层的损害。
Based on the capillary pressure data measured with high velocity centrifugal method, the formation damage by additives for injected water was evaluated.
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