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STUDIES OF THE CRITICAL VELOCITY OF THE UPWARD FLOW OF FLUSHING FLUID WHEN DRILLING GEOLOGICAL EXPLORATION WELLS

viscosity, density, geological exploration wells, bit balling formation, well cleaning efficiency, washing liquid, well, pressure, critical upstream velocity, drilled rock, turbulent flow regime.

Authors

The article considers the calculations of the critical velocity of the upward flow of the flushing fluid during drilling of geological
exploration wells and the importance of choosing the parameters of the drilling mud for the removal of sludge to the day surface.