1.67225721.0521.2501.69127150.9131.1061.66525831.0551.2261.69227280.9071.1371.664地层压力预测结果说明(1)孔隙压力馆陶组地层孔隙压力为0.98g/cm3~1.02g/cm3(当量钻井液密度,下同),东营组为0.99g/cm3~1.04g/cm3,沙二段为1.00g/cm3~1.04g/cm3,沙三段为0.96g/cm3~1.01g/cm3。(2)坍塌压力馆陶组地层坍塌压力为1.08g/cm3~1.15g/cm3,东营组为1.10g/cm3~1.22g/cm3,沙二段为1.14g/cm3~1.22g/cm3,沙三段为1.06~1.20g/cm3。(3)破裂压力馆陶组地层破裂压力最低为1.60g/cm3,东营组最低为1.62g/cm3,沙二段最低为1.68g/cm3,沙三段最低为1.67g/cm3。坍塌压力当量密度()破裂压力当量密度()孔隙压力当量密度()实际钻井液密度()实际钻头直径(cm)实际井径(cm)垂深(m)实例2:地层压力预测结果表地层孔隙压力当量密度g/cm3坍塌压力当量密度g/cm3破裂压力当量密度,g/cm3明化镇0.98~1.021.08~1.15>1.46馆陶1.00~1.031.03~1.18>1.56东营1.00~1.051.10~1.19>1.68沙一上1.05~1.101.15~1.20>1.71沙一中1.10~1.151.18~1.22>1.73沙一下1.12~1.181.20~1.23>1.75沙三11.15~1.181.08~1.15>1.76沙三21.12~1.161.18~1.20>1.77沙三31.15~1.181.17~1.21>1.79实际钻井液密度()钻头直径(mm)坍塌压力当量密度()破裂压力当量密度()垂深m孔隙压力当量密度()实际井径(cm)
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