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TWO-PHASE ISOLATION METHODS AND SYSTEMS FOR CONTROLLED DRILLING

United States Patent Application

20120067643
A1
View the Complete Application at the US Patent & Trademark Office
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.
DeWitt, Ron A. (Katy, TX), Zediker, Mark S. (Castle Rock, CO), Rinzler, Charles C. (Denver, CO), Underwood, Lance D. (Morrison, CO), Land, Mark S. (Denver, CO), Grubb, Daryl L. (Littleton, CO), Schroit, Sam N. (Littleton, CO)
13/ 211,729
August 17, 2011
[0002] This invention was made with Government support under Award DE-AR0000044 awarded by the Office of ARPA-E U.S. Department of Energy. The Government has certain rights in this invention.