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[判断题]
为准确观察溢流关井后的套压变化,35MPa及以上压力等级的节流管汇另外配置不大于25MPa的低量程抗震压力表,低量程压力表前应安装截止阀,截止阀处于常关状态。(题库中没有)。()此题为判断题(对,错)。
查看答案
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A.16MP(或35MP)
B.21MPa(或35MPa)
C.16MPa(或21MPa )
D.35MPa(或80MPa)
A.看到套压上升0.5MPa,适当释放泥浆,保持立压1.5MPa
B.看到套压上升到4MPa,立即开J6b放喷
C.看到套压上升到3.5MPa,开节流阀放喷