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对侧钻井工艺以下方面进行研究,开窗位置的选择;侧钻前的井眼准备工作;封隔器坐封的施工要求;磨铣过程中的注意事项以及侧钻对钻井液的要求等方面做了一定的分析。此外着重对长庆长北CB4-2井第二支水平段开窗侧钻做了分析、总结。
Opposite side of the drilling process in the following aspects of study, the choice of the location of the window; wellbore preparation before sidetracking; packer setting requirements; mill milling process considerations and sidetrack drilling fluid requirements Made a certain analysis. In addition, focusing on Changqing Changbei CB4-2 well horizontal section of the second horizontal window to do a sidetrace analysis, concluded.