TWO-PHASE ISOLATION METHODS AND SYSTEMS FOR CONTROLLED DRILLING
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United States of America Patent
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Issued Date -
Mar 22, 2012
app pub date -
Aug 17, 2011
filing date -
Aug 20, 2008
priority date (Note) -
Abandoned
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Abstract
There is provided a system and method for having multiple movable isolation zones within a borehole, to provide for zones having predetermined properties, such as pressure, flow or optical properties. These movable isolation zones provide advantages in downhole activities, such as, laser cutting and laser drilling to advance a borehole.
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