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- W67337827 abstract "A system analysis of the bit, positive-displacement motor, and hydraulics helps improve the efficiency of downhole-motor guidance systems, even for routine drilling applications. The bit and motor system must operate with ideal hydraulics for efficient drilling. The poor state of the drilling industry has forced drillers to examine drilling performance more critically, not only in terms of cost per foot, but also with the costs amortized over the life of the well. Thus, drilling contractors and operators should place more emphasis on optimizing downhole-motor performance as part of ordinary drilling plans. For many years, the drilling industry has used a trial-and-error method to determine which type of bit drills best with which particular downhole motor. To increase penetration rates and improve drilling efficiency, however, drillers must understand how the mechanical and hydraulic design variables of a bit affect downhole-motor performance. The paper discusses bit design, hydraulic lift, total flow area, motor performance, hydraulics, and downhole pressure." @default.
- W67337827 created "2016-06-24" @default.
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- W67337827 date "1993-05-17" @default.
- W67337827 modified "2023-09-26" @default.
- W67337827 title "System analysis improves downhole motor performance" @default.
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