Conversion of a 1991 built oil tanker to a harsh weather floating, storage and offloading unit.

1. www.teekay.com
Navion Saga
C O N V E R S I O N O F A 1 9 9 1
B U I L T O I L T A N K E R T O
A H A R S H W E A T H E R
F L O A T I N G S T O R A G E
A N D O F F L O A D I N G U N I T
In 2005, Teekay was awarded a contract for upgrading, delivery
and operation of the 1991 built Suezmax shuttle tanker Navion
Saga to serve as FSO on the Volve Field in the North Sea, in
accordance with Norwegian offshore regulations and Statoil’s
specific requirements. The conversion of the shuttle tanker was
successfully executed by Teekay with Grenland Group and OSM
Ship Management as key subcontractors.
Project highlights
• Project management by Teekay
• Fulfilment of strict harsh weather and safety requirements
according to Norwegian rules and regulations
• Fulfilment of strict work environment requirements with
focus on noise exposure for crew
• Life extension with ten year design life
• Optimization of yard work strategy with general vessel
upgrade in China followed by installation of complex
equipment in Spain
• Successful start-up in May 2007 and 100% uptime in first
two years of operation
Client: Statoil
Location: Volve Field, Norwegian Sector of the North Sea
The Project
Volve is an oil field located in the southern part of the North
Sea, 200 km west of Stavanger. The sea depth is about 80
metres. The field was developed by the production jack-up
rig Maersk Inspirer and the FSO Navion Saga which is owned
and operated by Teekay.The oil offtake is done by shuttle
tankers operated by Teekay.

2. Navion SagaMain Equipment and Capacities
• Submerged Turret Loading (STL) for
mooring and loading
• 1,000,000 barrel oil storage capacity
• VOC recovery system
• Fiscal metering system
• Offshore crane
• Enhanced safety and work environment
• Stern discharge system for offloading to
shuttle tanker
Vessel History
2007 – present FSO at the North Sea
Volve field
2001 – 2007 Conventional tanker
1995 – 2001 FSO at the North Sea Yme field
1991 – 1995 Conventional tanker
1991 Built by Mitsui engineering &
Shipbuilding Company Ltd.
Principal Dimensions
Length, overall .....................270.3 m
Breath, moulded....................46.00 m
Deapth, moulded...................23.90 m
Draft, designed .....................15.75 m
Draft, scantling .....................16.84 m
Deadweight, scantling........... 149,000 tons
Capacities
• 6 x 2 Centre Tanks and 2 Slop Tanks for
Cargo Oil and Double Hull for
Segregated Water Ballast
• Cargo Tanks incl. slop tanks: 165,83 m3
• Ballast Tanks incl. peak tanks: 54,961 m3
• Accommodation: 29 persons
• Main Engine: 1 x Mitsui B&W 6S70MC
– 20,940 PS X 88 RPM (MCR)
Class Notation and Registration
• DNV, +1A1, Tanker for Oil, Ship-shaped
Oil Storage Unit (N) ESP, EO, HELDK
• Bahamas Registration
Specific Client requirements
• Volve Metocean Design Basis
• Volve FSO Design Basis
• Technical and Operational Requirements
for Shuttle Tankers
• Offloading/Loading Telemetry System
Overview
• Volve Export System – Interface
Specification
FSU Upgrade Work
• Hull corrosion protection
• Hull Fatigue and structural strength
• VOC Recovery System
• Fiscal Metering System
• Offshore crane & Material handling
• New low noise Diesel Generator
• Free Fall lifeboat
• Man over Board (MoB) boat
• Escape and transport routes
• Major electrical/instr. modifications
• Fire and Gas detection system
• Emergency Shut Down system
• Other Safety systems
• Communication & alarm system
• Position monitoring system
• Telemetry system
FSO Key Equipment Manufacturers
• FSO Engineering and Design:
Grenland Group
• VOC Recovery System: Aker Solutions
Cool Sorption
• Offshore Crane: MacGregor Hydramarine
• FSO hull upgrade yard: Qingdaou
Yard (China)
• Major equipment installation: Navantia
Shiprepairs (Spain)
• STL Loading System: APL
Teekay Shipping Norway AS
Verven 4
N-4014 Stavanger
Norway
Tel: +47 51 44 27 00