Subsea cooling apparatus, and a separately retrievable submersible pump module for a submerged heat exchanger
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United States of America Patent
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Aug 1, 2017
Grant Date -
Jun 12, 2014
app pub date -
Apr 13, 2012
filing date -
Apr 15, 2011
priority date (Note) -
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Abstract
The present invention concerns a cooling apparatus for subsea applications with a shell and tube heat exchanger. The heat exchanger includes a longitudinal shell. The shell forms a cavity with a fluid inlet port and fluid outlet port. A bundle of tubes extends from an inlet plenum chamber with an inlet port and into the shell on the same side of the shell as a bundle of tubes extending from an outlet plenum chamber with an outlet port. At least one tube sheet seals against the shell cavity and the inlet and outlet plenum chambers. The bundle of tubes extending from the inlet plenum chamber is in fluid connection with the bundle of tubes extending from the outlet plenum chamber. A retrievable pump module with a sealed pump module housing is placed adjacent the heat exchanger and includes a motor driving an ambient sea water pump.
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