... vpisyvaemosti well profile with the rock hardness and coefficient of cavernous. 2. By rotating the drill string having a skewangle from the arrangement in the curved section of the well is necessary to limit speed and WOB to exit this portion of the BHA. 3. Turbine and rotary drilling method, depending on the size of the layout created tension with the angle of tilt, increases cyclic loading with shock and vibration, entails additional wear and shorten the life of BHA. О.В. Филимонов

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