Page 113 - Industrial Plants 2014

make their grouting times more efficient, with less
downtime associated with pump issues such as
grout settlement in the suction casing. Grouting is a
high pressure application, carried out from offshore
barges where space is at a premium and Seepex
were asked to produce a solution to shorten the
pump length as well as preventing settlement.

The solution Seepex N range have a short suction
casing due to the coupling rod design and this,

together with mixing paddles on the coupling rod to Seepex N range pump
ensure continuous agitation of the grout mixture, on FoundOcean grout
prevented the settlement issues. The high pressure pumping skid
needed from the pump normally requires a
conventional four stage rotor stator combination
which due to its design has a long footprint. To
resolve the space issues pumps were supplied with
two stage even walled stator and heavy duty high
pressure universal joint which enables 24 bar
pressure to be produced by a shorter pump. The
combination of shorter suction casing and even
walled stator meant that the seepex pump was over
two metres shorter than previous technology.
eepex progressive cavity pumps are
used by FoundOcean in the offshore
energy industry for structural The Seepex supply relationship with
grouting on oil & gas platforms, and FoundOcean is now over three years old
for installation of off-shore and is based on pump performance and
Swindfarms. The FoundOcean design to match the specifc demands of
subsea services have most recently been used to offshore grouting
provide the structural support necessary to raise the
Costa Concordia.
The Seepex supply relationship with FoundOcean is The pump was supplied complete with a control
now over three years old and is based on pump panel and a variable speed drive to provide an
performance and design to match the specific integrated automated system.
demands of offshore grouting. Seepex also supply these pumps with pneumatic
The starting situation FoundOcean were looking to motors where environmental conditions make this a

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