[ZJJK08-01-Y]某井井口装置额定工作压力为70MPa,套管下深3000m,套管鞋处地层的地层破裂压力当量密度2.0g/cm3,钻井液密度1.50g/cm3,计算关井极限套压( )MPa。
A.14.71 B.15.71 C.16.71 D.17.71正确答案A
[ZJJK08-01-Y]某井井口装置额定工作压力为70MPa,套管下深3000m,套管鞋处地层的地层破裂压力当量密度2.0g/cm3,钻井液密度1.50g/cm3,计算关井极限套压( )MPa。
A.14.71 B.15.71 C.16.71 D.17.71正确答案A