Question-Answer
? Question: For normal operation of PDC bits, we need to keep them cool. How will this affect the inclusion of EGG in BHA ?
✎ Answer: In the process of EGG is subjected to recirculation of the drilling mud, as the system bit - EGG open. Within 1 second, in this area recycle about 200 liters of drilling mud, resulting in much better cooling of the drill bit than conventional drilling.