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Determination of the Optimal Drilling Mode Based on the Durability of the Drill Bit

The paper proposes one of the ways to set up an optimal mode of drilling oil and gas boreholes. The existing methods of control of the penetration rate and drill bit state were analysed. It was shown that due to incomplete and often distorted information it is difficult to perform control of the drilling process based on the mathematical model of the drill bit penetration, the solution of which is time dependencies of the penetration rate.