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FPSO – Describing the Risk 

By Paul O’Keefe

Director, Steege Kingston (Lonon!

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= Hull= Hull

== Turret SystemTurret System

= Main Deck = Main Deck 

= Blast Walls & Escape Tunnel= Blast Walls & Escape Tunnel

= Process Systems= Process Systems

= Offloading & lare= Offloading & lare

= !ccommodation &= !ccommodation &

Helideck Helideck  

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Su"merged turretSu"merged turret

S#uttle tankerS#uttle tanker

$%point mooring system$%point mooring systemisersisers

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'!s (e look to deeper (ater

and #ars# en)ironments (e are

reac#ing t#e current limit of

mooring and riser tec#nology*+

"oorings # Risers

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Bo( mounted turretBo( mounted turret

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'T#ere is no significant difference of

process functions on a PSO to t#ose

on a fi,ed platform* T#e pro"lemscan occur due to t#e motions of t#e

PSO and #a)e to "e captured in t#e

design+ 

Process Plant

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Drag -#ain System

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.i)ing.i)ing

/uarter/uarter

TurretTurret Escape tunnelEscape tunnel

Process plantsProcess plants -rude oil tanks-rude oil tanks

)ent outlets)ent outlets

lame fromlame from

generator packagegenerator package

P.!0 12EW O ! PSO SHOW203 THE H!4!DO5SP.!0 12EW O ! PSO SHOW203 THE H!4!DO5S

!E!S6 !0D THE E!SO0 O SOME O THE!E!S6 !0D THE E!SO0 O SOME O THE

H!4!DSH!4!DS

$ 4O0E 7 $ 4O0E 8 $ 0O0 H!4!DO5S

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% "o&e to'ars leasehire contracts

% )urrent a&ailability *ight satisfy future

re+uire*ents for shallo' 'ater an benign en&iron*ents

% nee for at least -. ne' FPSOs

% Reuse # /01erience $ 2eneric esign

% FPSOs3

)onclusions # 4he Future