Adjustable testing tool and method of use

Details Adjustable testing tool and method of use Adjustable testing tool and method of use

2011-03-29

2011-03-29

Williams, Hezron (Department: 2856)

Measuring and testing

Borehole or drilling

Downhole test

Reexamination Certificate

active

07913557

ABSTRACT:
Methods and systems for testing a subterranean formation penetrated by a wellbore are provided. A testing tool has a plurality of packers spaced apart along the axis of the tool, and at least a testing port. The testing tool is positioned into the wellbore and packers are extended into sealing engagement with the wellbore wall, sealing thereby an interval of the wellbore. In some embodiments, the wellbore interval sealed between two packers is adjusted downhole. In one embodiment, the location of the testing port is adjusted between two packers. The methods may be used to advantage for reducing the contamination of the formation fluid by fluids or debris in the wellbore.

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Poesio et al., Formation and Ultrasonic Removal of Fouling Particle Structures in a Natural Porous Material, Journal of Petroleum Science and Engineering, Dec. 2004, vol. 45, pp. 159-178.

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