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new soft rock high frequency screen in Medina Saudi Arabia West Asia
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new soft rock high frequency screen in Medina Saudi Arabia West Asia

new soft rock high frequency screen in Medina Saudi Arabia West Asia

Abstract In recent years, the phenomenon of drill string torsional oscillation at frequencies over 50 Hz has been well documented. Thishigh frequencytorsional oscillation (HFTO) creates cyclic fatigue loading on bits and drilling tools within the bottom hole assembly …

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