Selective placement of conformance treatments in multi-zone well completions
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United States of America Patent
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Jan 29, 2013
Grant Date -
Sep 6, 2012
app pub date -
Apr 6, 2012
filing date -
Aug 31, 2009
priority date (Note) -
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Abstract
Selective placement of conformance treatments in multi-zone well completions. A method includes injecting a relative permeability modifier into a zone and optimizing a ratio of desired fluid to undesired fluid produced from the zone, including adjusting at least one flow control device between fully open and fully closed configurations. Another method includes injecting a relative permeability modifier into multiple zones, one at a time, via respective flow control devices, and then producing fluid from each of the zones. Another method includes identifying which of the zones to treat by, for each of the zones: a) closing flow control devices corresponding to the other zones, and b) evaluating fluid produced from the zone; and injecting a conformance treatment into the zones identified as the zones to treat.
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