11
l
design and build phase is shortened considerably,
leading to earlier first oil. On average, redeployment takes
between 7 and 12 months, compared with an average
of 18 to 24 months on a new conversion. Secondly, the
daily lease cost is likely to be lower than with a new build
project. Lastly, the vessel has a proven service history.
on the types of modifications required, which range on
a scale from minimal to extensive. The most common
areas which need to be reviewed are the hull strength
and fatigue, the mooring and the topsides -in particular
the gas compression systems, flare system design
and its ability to withstand any additional heat or load
requirements.
Tanker to an FPSO. It was originally deployed in Western
Australia and after being cold-stacked in Batam,
Indonesia for about five years, it has now been redeployed
to Yinka Folawiyo's Aje field off Nigeria. In spite of such
an extreme geographical move, the mooring and hull
required minimal alterations. However, the topsides
did require additional modules, in order to fulfil the field
requirements, such as the replacement of the existing
gas lift compressor package and the addition of a subsea
hydraulic power unit.
modifications were needed to its process equipment.
earliest opportunity, to quantify the scope and identify
any major obstacles.
needed to completely replace the existing units and add
a gas dehydration unit. What's more, due to a change in
fiscal regime, we also had to install a new gas metering
system.
analysis of support locations and tie-in points. We used
3D modelling to ensure efficient implementation.
End Engineering Design (FEED) study for a future upgrade
to a gas fuelled power station, something which the end
client (Yinka Folawiyo Petroleum) has indicated as a likely
step.
several contractors working on it but Penspen was able to
take an integrated team approach, to minimise interface
issues. Rubicon has hailed this seamless teamwork as
one of the key factors in the success of the project.
Floating P
oduction, St
edeplo