单项选择题
A.35.32 B.36.29 C.38.1 D.39.1
A.2460 B.3922 C.1728 D.4339
A.切断钻具,封住井眼 B.压井期间吊起钻杆 C.作为排入环空的备用通道 D.封闭空井眼
A.5.36bbl(0.8522m3) B.5.96bbl(0.9476m3) C.6.35bbl(1.0096m3) D.7.35bbl(1.1686m3)
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