It discussed problems about wellbore structure, BHA, bit selection, drilling parameters and so on.

探讨了小眼井井身结构、钻具组合、钻头选型、钻井参数等问题。

youdao

It discussed problems about wellbore structure, BHA, bit selection, drilling parameters and so on.

探讨了小眼井井身结构、钻具组合、钻头选型、钻井参数等问题。

youdao