The calculation result shows that there would be a large error in cuttings transport calculation in extended reach wells by using stable models.

使用该方法可以方便地分析不同间隔洗井操作所带来的效果，为工程洗井操作提供指导。

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Predicting and controlling the drag and torque in the process ofd rilling extended reach Wells is one of the key factors to ensure to be successful in the drilling.

大位移井钻井过程中摩阻扭矩的预测和控制是成功地钻成大位移井的关键因素之一。

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Predicting and controlling the hook load and casing running depth in the process of completing extended reach Wells is one of the key factors to ensure the completion to be successful.

大位移井在套管下入过程中大钩载荷和套管可下入深度的预测是大位移井成功完井的关键因素之一。

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