MPD
For the wellbore quality problems caused by borehole steps and keyways, although the drilling and post-drilling reaming can be solved, the number of drilling is large and the efficiency is low, while the micro-reamer while drilling has significant advantages in eliminating the borehole steps, reducing the number of drilling and improving drilling efficiency.
All-metal hydraulic oscillator
Hydraulic oscillator is a downhole tool used to solve the bottom of the well support pressure and improve the transmission of drilling pressure. It is especially suitable for use in horizontal wells and extended-reach wells. It can be used simultaneously with MWDs, downhole power drilling tools, and any drill bit.
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