Heat Exchanger Descaling System Using Blowdown
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United States of America Patent
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Issued Date -
Jul 3, 2014
app pub date -
Dec 26, 2013
filing date -
Dec 28, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A system for descaling a heat exchanger utilized in a produced water system of a steam-based thermal hydrocarbon recovery operation is provided. The system comprises a heat exchanger for acting on a produced water; a steam separator in fluid communication with a steam generator for separating steam of a steam quality suitable for injection into a hydrocarbon reservoir and blowdown of a lower steam quality, the blowdown being caustic; and a blowdown loop in fluid communication with the steam separator for collecting the caustic blowdown, the blowdown loop also in fluid communication with the heat exchanger for directing the caustic blowdown through the heat exchanger for descaling the heat exchanger.
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