Cooled-fluid systems and methods for pulsed-electric drilling
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United States of America Patent
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May 12, 2015
Grant Date -
Feb 7, 2013
app pub date -
Aug 1, 2012
filing date -
Aug 2, 2011
priority date (Note) -
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Abstract
In at least some embodiments, a pulsed-electric drilling system includes a bit that extends a borehole by detaching formation material with pulses of electric current, and a drillstring that defines at least one path for a fluid flow to the bit to flush detached formation material from the borehole. A feed pipe transports at least a part of said fluid flow to said path, and the feed pipe is equipped with a cooling mechanism to cool the fluid flow. The use of a cooled fluid flow may enhance the performance of the pulsed-electric drilling process.
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