为了减轻石油深度开采对普尔港河床冲击和环境影响，英国石油公司研发一种水平开采技术（extended reach drilling），扩大采油辐射面，平面辐射半径可达10公里左右，深度达1600多米。这项技术既保证了原油开采量，又减少了钻井平台的数量.
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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。
Wellbore stability, hole cleaning, toque and drag are key factors in extended reach well drilling of Xijiang 24 - 3 - A14.
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。
Taking the well Hong 9 1 in Dagang Oil Field for example, the important role of the rotation of drilling string in removing cuttings bed in extended reach well is expounded.
并以国内大港油田大位移井红9—1为例，说明了钻柱旋转在大位移井中对清除岩屑床的重要作用。
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