Such items as API filtration, HTHP filtration, sand-bed filtration, HTHP sand-bed filtration, core filtration, core bearing ability, fissure openings plugging ability and permeability recovery of the fluid were evaluated in lab.
对加入一定量零滤失井眼稳定剂钻井液的API滤失量、高温高压滤失量、砂床滤失量、高温高压砂床滤失量、岩心滤失量、岩心承压能力、封堵裂缝效果和岩心渗透率恢复值的变化进行了评价。
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