Rotating casing is helpful to improve effectively mud displacement efficiency and thus improve cementing quality.
旋转套管可以有效提高水泥浆顶替效率，从而提高固井质量。
In this paper, on the basis of rheological theory, we have discussed the effect of the slurry properties on the mud displacement efficiency in eccentric annulus.
本文利用流变学原理，讨论了流体的流变性能对偏心环空注水泥顶替效率的影响。
In this paper, on the basis of rheological theory, we have discussed the effect of the slurry properties on the mud displacement efficiency in eccentric annulus.
本文利用流变学原理，讨论了流体的流变性能对偏心环空注水泥顶替效率的影响。
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