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[单选题]
某井中有密度为1.35g£¯cm3的钻井液150m3,储备钻井液的密度为1.75g£¯cm3,欲将井内钻井液密度提高到1.45g£¯cm3,需要加入()m3储备钻井液。
A.40
B.50
C.60
D.70
查看答案
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.40
B.50
C.60
D.70
A.1.36
B.1.37
C.1.38
D.1.50
A.1MPa
B.2MPa
C.3MPa
D.4MPa
A.40
B.50
C.60
D.70
A.油井、水井为0.05g/cm3~0.10g/cm3
B.气井为0.07g/cm3~0.15g/cm3
C.油井、水井控制井底压差1.5MPa~3.5MPa
D.气井控制井底压差3.0MPa~5.0MPa
A.1.25g/cm3
B.1.30g/cm3
C.1.50g/cm3
D.1.54g/cm3
A.1.50
B.1.63
C.1.70
D.1.80