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[单选题]
Q/SY02876-2021《钻井井控坐岗规范》中规定:安装防喷器后或进入设计提示的第一个油气水层前()m至完井,应实行()h坐岗
A.100;24
B.50;24
C.100;12
D.50
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A、100;24
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.100;24
B.50;24
C.100;12
D.50
A、100;24
A.钻井
B.录井
C.钻井液
D.泥浆不落地
A.2
B.3
C.6
D.5
A.30mg/m3(20ppm)
B.45mg/m3(30ppm)
C.75mg/m3(50ppm)
D.150mg/m3(100ppm)
A.100
B.300
C.500
D.1000
A.5错开
B.5统一
C.10错开
D.10统一
A.30 mg/m3(20ppm
B.45 mg/m3(30ppm
C.150 mg/m3(100ppm
D.1500mg/m3(1000ppm)