通井钻具组合
drifting downhole assembly
半封隔井底钻具组合
semipacked bottom-hole assembly
对钻压敏感的井底钻具组合
weight-responsive bottom-assembly
可转向的井下马达钻具组合
steerable downhole motor assembly
三维井底钻具组合模式
three-dimensional bottomhole assembly model
钟摆井底钻具组合
pendulum bottomhole assembly
刚性的下部钻具组合
stiff bottom hole hook up
下部钻具组合
bottom hole assembly
lower drilling tools assembly
BHA
刚柔钻具组合
flexible bottom hole assembly
导向钻具组合
combination of drilling tools used as guide