对大部分钻井组织而言,就时间和费用而论,压差卡钻是发生最多的事故。
Differential sticking is, for most drilling organizations, the greatest drilling problem worldwide in terms of time and financial cost.
通过数理统计的方法,采用多元回归方程建立了压差卡钻压差临界值模型,此模型可以用于指导库车山前构造钻井施工。
By methods of mathematical statistics, we use the multiple regression equation to establish critical value model. The model can be used to guide the drilling in Kuqa's piedmont configuration.
库车山前构造地质复杂,压差卡钻十分频繁,严重制约了钻井效率。
Kuqa's piedmont configuration is so complex that differential pressure sticking frequently occurs, which seriously restricting the drilling efficiency.
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