Pulse rate of penetration enhancement device and method

Details Pulse rate of penetration enhancement device and method Pulse rate of penetration enhancement device and method

2011-06-14

2011-06-14

Bagnell, David J (Department: 3672)

Boring or penetrating the earth

With tool shaft detail

Means other than tool structure to induce fluent flow

C175S317000

Reexamination Certificate

active

07958952

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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