A . 82.5%
B . 92.2%
C . 63.7%
D . l00%
[单选题]长筒取心进尺32m,实取岩心29.5m,岩心收获率为()。A . 82.5%B . 92.2%C . 63.7%D . 100%
[单选题]长简取心进尺32m,实取岩心29.5m,岩心收获率为()。A . 82.5%B . 92.2%C . 63.7%D . 100%
[单选题]长筒取心进尺32米,实取岩心29.5米,岩心收获率为()。A .82.5%B .92.2%C .63.7%D .100%
[单选题]取心钻进进尺10m,实取岩心长度为9.5m,岩心收获率为()。A . 9.6%B . 10%C . 85%D . 95%
[问答题] 某井某次取心时,取心进尺为10m,岩心收获率为95%,求实取岩心长度为多少米?
[问答题] 某井在某次取心时,取心进尺为8.21m,实际取出岩心长度为7.87m,求岩心收获率。
[判断题] 岩心收获率的计算公式是:岩心收获率=岩心实际丈量长度/该次取芯进尺100%。A . 正确B . 错误
[单选题]某井钻井取心井段为920.75—928.50m,实取岩心长度为9.00m,则岩心收获率为()。A .86.1%B .116.1%C .100%D .53.7%
[单选题]某井钻井取心井段为1512.30~1521.40m,实取岩心长度为8.70m,则岩心收获率为()。A .94.3%B .95.6%C .104.6%D .97.6%