河口采油厂钻井工程设计任务书

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1、河口采油厂钻井工程设计任务书设计依据钻井工程设计依据：钻井地质设计；邻区邻井实钻资料；有关技术规范及技术法规。井口坐标：纵(X)4215848.23(m)横(Y)20599727.22(m)方位修正角：-7.33(°)磁倾角：56.3(°)磁场强度：53.14(μT)1井身质量要求1.1直井段井身质量要求井深m全角变化率≤°/25m水平位移≤m0～10001.25201000～15001.50301500～20001.50402000～25001.7555直井段采用电子多点监测井身轨迹，起钻测多点计算井身轨迹数据。1.2定向井段井身质量要求　　定向段采用MWD随钻测控井身轨迹，根据实际情况

2、采用滑动钻进和复合钻进两种方式，随时调整井斜和方位。　　靶点A　靶半径(m):20.00　　靶点B　靶半径(m):20.002工程设计2.1井身结构2.1.1井身结构设计系数抽吸压力当量密度(Sb)：0.036g/cm3激动压力当量密度(Sg)：0.036g/cm3井涌条件当量密度(Sk)：0.05g/cm3安全附加当量密度(Sf)：0.07g/cm3正常压差允值：12～15MPa异常压差允值：15～20MPa2.1.2井身结构设计数据表开钻顺序钻头尺寸mm井深m套管外径mm套管下深m水泥封固段m一开444.5301.0339.73000～301二开215.93532.67139.7352

3、9.672800～3532.6721.1.1井身结构示意图2大北24-斜25中国石化井钻井工程设计1.1轨道设计1.1.1轨道设计井号：大北24-斜25轨道类型：直-增-稳-降井底垂深m井底闭合距m井底闭合方位°造斜点m最大井斜角°3500.00208.3843.252500.0021.43磁倾角°磁场强度μT磁偏角°收敛角°方位修正角°56.3053.14-6.630.70-7.33井口：X=4215848.23Y=20599727.22靶AX=4216000Y=20599870垂深:3320m闭合距:208.38m闭合方位:43.25°靶半径:20m靶BX=4216000Y=20599

4、870垂深:3460m闭合距:208.38m闭合方位:43.25°靶半径:20m轨道参数井深m井斜°方位°垂深m水平位移m南北m东西m狗腿度°/100m工具面°靶点0.000.0000.000.000.000.000.000.002500.000.0043.252500.000.000.000.000.000.002642.8721.4343.252639.5626.4119.2318.1015.000.002924.0721.4343.252901.32129.1594.0788.490.000.003352.670.0043.253320.00208.38151.77142.785.0

5、00.00A3492.670.0043.253460.00208.38151.77142.780.000.00B3532.670.0043.253500.00208.38151.77142.780.000.00轨道各点数据井深m井斜°方位°闭合方位°垂深m闭合距m南北m东西m造斜率°/100m方位变化率°/100m狗腿度°/100m工具面°0.000.0043.250.000.000.000.000.000.000.000.000.002500.000.0043.250.002500.000.000.000.000.000.000.000.002550.007.5043.2543.2525

6、49.863.272.382.2415.000.0015.000.002600.0015.0043.2543.252598.8613.029.488.9215.000.0015.000.002642.8721.4343.2543.252639.5626.4119.2318.1015.000.0015.000.002842.8721.4343.2543.252825.7399.4872.4668.170.000.000.000.002924.0721.4343.2543.252901.32129.1594.0788.490.000.000.000.002974.0718.9343.2543.

7、252948.24146.40106.63100.31-5.000.005.00180.003024.0716.4343.2543.252995.88161.58117.69110.72-5.000.005.00180.003074.0713.9343.2543.253044.13174.67127.22119.69-5.000.005.00180.003124.0711.4343.2543.253092.91185.6