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[单选题]
BE004使用封隔器找窜时,正憋压力为()
A.8~10MPa
B.10~15MPa
C.15~18MPa
D.18~25MPa
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A、8~10MPa
A.8~10MPa
B.10~15MPa
C.15~18MPa
D.18~25MPa
A、8~10MPa
第3题
A.通井深度应至油层底界以下30~50m
B.按设计要求刮削封隔器坐封井段3~5次
C.井口及地面管线试 25MPa,不刺不漏为合格
D.找窜井段不具备进出孔时,应补射观察孔,一般4~5孔/m