FIELD: oil production industry, particularly for applying pressure to chisel providing with downhole motor.
SUBSTANCE: method involves installing acoustic noise transducer above downhole motor; converting downhole motor noise into ultrasound so that ultrasound have action on friction reduction between drill string and bottomhole motor and well walls to apply following effective pressure to chisel in accordance with geological-technical order.
EFFECT: increased efficiency of deviating and horizontal well drilling.
1 ex, 4 dwg
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SU1373029A1 |
