Downhole apparatus for disrupting filter cake
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United States of America Patent
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Jul 21, 2020
Grant Date -
Nov 10, 2016
app pub date -
Nov 5, 2014
filing date -
Dec 30, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A tubular has a retracted configuration and an extended configuration. The tubular is initially in the retracted configuration and run into a bore at least partially lined with filter cake. The tubular is extended such that a filter cake-disrupting member mounted on the tubular defines high points or otherwise has an outer surface of varying radial extent for disrupting or disturbing the filter cake.
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