Pulse rate of penetration enhancement device and method
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United States of America Patent
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Jun 14, 2011
Grant Date -
Apr 30, 2009
app pub date -
Dec 17, 2008
filing date -
May 3, 2007
priority date (Note) -
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Abstract
The system and device described relates to flow pulsing for use in down-hole drilling rate of penetration (ROP) enhancement and measurement while drilling (MWD) using a pulse drilling device (PDD) with a fast acting valve in conjunction with a pilot valve to produce high pressure, high amplitude, low duration pressure pulses.
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