...工艺用液包括：前置液（preflush fluid）、处理液（treating fluid）、后置液（overflush fluid）和顶替液（displacement fluid），一般注液顺序为：注前置液®注处理液(土酸)®注后置液®注顶替液。
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low-viscosity diesel displacement fluid 低粘度柴油替置液
Positive displacement fluid machinery 容积式流体机械
viscosity diesel displacement fluid 低粘度柴油替置液
displacement fluid machinery 容积式流体机械
drilling fluid displacement fluid 替浆液
fluid displacement 流体驱替
fluid displacement tachometer 流体转速计
Sea water is used as displacement fluid, which can provide the floating force of casing string.
采用海水顶替液，实现套管的浮力漂浮。
For correct placement, the volume of slurry and the displacement fluid must be carefully calculated and measured.
为正确地安置水泥塞，水泥浆的用量和驱替液必须仔细地经过计算和计量。
Acidizing fluid of emulsified acid consists of preflush, emulsion, after-pad, KFT reaction fluid and displacement fluid.
乳化酸酸化酸液由前置液、乳化酸、后置液、KFT反应液和顶替液组成。
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