西江24—3—A14大位移井的摩阻与扭矩、井眼稳定性及井眼清洁是钻井成功与否的关键因素。
Wellbore stability, hole cleaning, toque and drag are key factors in extended reach well drilling of Xijiang 24 - 3 - A14.
地质要求或利用已钻井眼降低钻井成本，使三维侧钻井不断增多，三维大斜度侧钻井在油田开发中越来越重要。
Required by geology or reducing drilling cost by using wells drilled, 3D sidetracking wells are getting more and more, 3D sidetracking wells are increasingly important in oilfield development.
分析了钻井施工难点：鱼骨剖面设计和井眼轨迹控制难度大，井眼净化要求高。
This paper analyzes the difficult points in drilling operation, such as the difficult profile design and well track control and the high demand for wellbore cleaning.
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