[ZJJK02-01-Y]某井井深3100m,垂直井深3000m,地层压力梯度10.5kPa/m,当在用钻井液密度是1.20g/cm3时,井底压差将有( )MPa过平衡。(g=0.00981)
A.35.3 B.31.5 C.3.8 D.1.5正确答案C
[ZJJK02-01-Y]某井井深3100m,垂直井深3000m,地层压力梯度10.5kPa/m,当在用钻井液密度是1.20g/cm3时,井底压差将有( )MPa过平衡。(g=0.00981)
A.35.3 B.31.5 C.3.8 D.1.5正确答案C