文档介绍：定向井 directional well 定向要素 directional elements 井斜角 inclination 方位角 azimuth 井斜变化率 rate of inclination change 方位变化率 rate of azimuth change 井眼曲率 hole curvature 垂深和测深 vertical depth and measured 水平投影长度 hole deviation 水平位移 displacement or closure distance 多底井 multi-bore well 水平井 horizontal well 丛式井 cluster well or multiple wells 救除井 relief well 双筒井 dual wells 套管开窗 starting window on casing 造斜 deflecting or building angle 稳斜 maintain angle 正切法 tangential method 平衡正切法 balanced tangential method 平均角法 average angle method 曲率半径法 radius of curvature method 圆弧法 arc method 最小曲率法 minimum curvature method 圆柱螺线法 cylinder helix method 悬链线轨迹? catenary shape profile 控制圆柱 control cylinder 造斜工具 deflecting tool 槽式变向器 whip-stock 短涡轮 short turbo-drill 钻铤造斜短节 short bent collar 涡轮偏心短节 turbo-eccentric sub 复式弯涡轮 bent multi-turbo-drill 水力斜接头 hydraulic bent sub Dyna-flex 瓦片变向器 rebel tool 造斜工具面 tool face 造斜率 rate of over-all angle change 井眼方位漂移 walk of hole 装置角 tool of rotation 工具面角 tool face azimuth 动力钻具反扭角 reactive torque 磁偏角 ic