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。

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Squeeze cementing USES pressure to force the cement through holes or perforations in the casing.

挤水泥时在压力下将水泥浆压经套管中的射孔孔眼。

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A multistage cement job is used to avoid fracturing the formation when cementing long casing strings.

多级注水泥作业用来在对长套管柱注水泥时避免使地层破裂。

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Chesapeake Energy said in a statement that it will pay the fines and has improved its cementing and casing practices since the investigation.

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These operators also place an emphasis on appropriate casing designs and cementing practices to maintain wellbore integrity and protect the freshwater aquifers.

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Cementing fills and seals the annulus between the well casing and the drilled hole.

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