Drydocks World FPSO References

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  1. Client:** Saipem Energy Services SpA
    • Project:** Tanker Betatank II to Firenze FPSO
    • Project Status:** Ongoing
  1. Project Scope:**
    • Removal and safe disposal of asbestos from accommodation, engine room and pump room.
    • Internal tank treatment and routine dry docking.
    • Complete refurbishment of accommodation block.
    • Fabricating new steel structures for module supports, pipe rack, heli-deck, lay down areas and installation of flare stack.
    • Installing new crude lines on the deck, installing and connecting the metering skid with hook up to the tandem offloading system.
    • Modifying existing boilers from bunker oil firing to natural gas firing.
    • Modifying the cargo systems and upgrading cargo control room equipment.
    • Upgrading of fire fighting system, cooling system, Inert Gas and venting system.
    • Upgrading of power generation system, lighting and communication systems.
    • Installing new Fire and Gas alarm and public address system.
    • Fabricating, installing and integrating an external turret.


  1. Client:** Saipem SpA for Sonangol
  2. Project:** VLCC Magdeline to Gimboa FPSO
  3. Project Duration:** July 2006 - September 2008
  • Project Scope:
    • Removal and safe disposal of asbestos, fabricating and installing spread mooring system and riser balconies.
    • Installing new crude lines on the deck; installing and connecting the metering skid with hook up to the tandem offloading system.
    • Fabricating and installing flare tower, a pipe rack running on the centre line, module supports and 12 production modules.
    • Laying new gas lines from the bow to the pressure reducing station on deck and further to the boilers in engine room. Modifying existing boilers to dual fired ones.
    • Modifying the cargo systems. Upgrading Cargo control room equipment.
    • Fabricating and installing heli-deck.
    • Installing new Fire and Gas alarm system and Emergency shutdown system.
    • Complete refurbishment of accommodation block.
    • Internal tank treatment and routine dry docking for a 15-year system.
    • Installing a spread mooring system and riser balconies.
    • Stripping and renewal of accommodation.


  • Client: Saipem SpA for Petrobras
  • Project: VLCC Margaux to Cidade De Vitoria FPSO
  • Project Duration: July 2005 - June 2007
  • Project Scope:
    • Removal and safe disposal of asbestos.
    • Fabricating and installing spread mooring system and riser balconies.
    • Installing new crude lines on the deck, installing and connecting the metering skid with hook up to the tandem offloading system.
    • Fabricating and installing flare tower.
    • Fabricating and installing a pipe rack running on the centre line.
    • Fabricating and installing module supports.
    • Laying new gas lines from the bow to the pressure reducing station on deck and further to the boilers in Engine room.
    • Modifying existing boilers to dual fired ones.
    • Modifying cargo systems.
    • Upgrading Cargo control room equipment.
    • Fabricating and installing a heli-deck.
    • Installing new fire and gas alarm system and Emergency shutdown system.
    • Internal tank treatment and routine dry docking for a 15-year system.
    • Steel structures weighing 4500 tonnes were added.
    • Accommodation was stripped out and refitted with increased capacity.
    • Twelve modules were installed, the heaviest being the Injection Gas Compression Module weighing around 1400 tonnes.


  1. Client:** SBM IMODCO for Chevron
  2. Project:** VLCC Lu San to Frade FPSO
  3. Project Duration:** December 2006 - January 2009
  1. Project Scope:**
    • Removal and safe disposal of asbestos.
    • Fabricating and installing internal turret and moon pool.
    • Fabricating internal turret using approximately 3500 tonnes of steel.
    • Installing new crude lines on deck.
    • Installing and connecting metering skid with hook up to the tandem offloading system, fabricating and installing flare tower and a marine pipe rack running on the centre line.
    • Installing module supports and production modules.
    • Laying new gas lines from bow to pressure reducing station on deck and further to boilers in engine room.
    • Modifying existing boilers to dual fired ones; cargo systems upgrade.
    • Upgrading cargo control room equipment.
    • Fabricating and installing heli-deck.
    • Installing new Fire and Gas alarm system and Emergency shutdown system.
    • Stripping and refitting accommodation and new HVAC system.
    • Treating internal tank bottom and deck-head and routine dry docking for a 15-year system.
    • Steel structures weighing 5000 tonnes were installed.
    • Stripping and renewal of Accommodation.
    • Installing 14 modules; the heaviest being the Production Separation Module that weighs around 1400 tonnes.
    • Fabricating, installing and integrating internal turret.
    • Approximately 13 million man hours were consumed.


  1. Client:** SBM Offshore N.V. and Sonangol for Exxon Mobil Corporation
  2. Project:** VLCC Mosocean into Xikomba FPSO
  3. Project Status:** Project completed in 2003
  1. Project Scope:**
    • The topsides consisting of 16 main modules varying in weight from 170t to 1,100t were installed on board.
    • Installing and integrating external turret.
    • Accommodation facilities that can be can house 85 people.
    • The facilities added contain the central control and radio rooms.
    • The facilities including 10in production risers and two 8in water injection risers, an 8in gas injection riser and three umbilicals were added.
    • The swivel stack consists of a 6in gas injection, HP utility, electric, LP utility, 6in pigging and 10in water injection swivels. There are also two 12-production lines and two 12in test lines.
    • All related piping and electrical installation was carried out.


  • Client: Single Buoy Moorings Inc.
  • Project: Conventional VLCC to FPSO Atlantic
  • Project Duration: 2002 - 2003
  • Project Scope:
    • Removal and safe disposal of asbestos.
    • Installing a purpose built bow mounted turret.
    • Installing new crude lines on the deck.
    • Installing and connecting the metering skid with hook up to the tandem offloading system.
    • Fabricating and installing flare tower, a pipe rack running on the centre line.
    • Installing module supports.
    • Laying new gas lines from the bow to the pressure reducing station on deck and further to the boilers in Engine room.
    • Modifying existing boilers to dual fired ones and modifying cargo systems.
    • Upgrading the cargo control room equipment.
    • Fabricating and installing the heli-deck.
    • Installing new Fire and Gas alarm system and Emergency shutdown system.
    • Refurbishment of the accommodation block.
    • Internal tank treatment and routine dry docking for a 15-year system.
    • Installation and hook up of 20 modules the heaviest is the Injection Gas Compression Module weighing 1000 tonnes.
    • Installing traveling crane of 30 tonnes lifting capacity on Pipe rack.
    • Installing deck crane of 45 tonnes lifting capacity for handing supply.
    • Installing Incinerator.
    • New steel structures were coated.
    • Tank coating - Cargo tank bottom and full ballast tanks and slop tanks were coated covering approximately 110,000m2 of surface area.
    • A total of 20 km of pipes were laid (7 km for topside pipes).


  • Client: Single Buoy Moorings Inc.
  • Project: Conventional Crude Carrier Stena Contender to FSO Nkossa1
  • Project Year: 1996
  • Project Scope:
  • Installing a purpose built bow mounted turret.
  • Installing new crude lines on the deck.
  • Installing and connecting the metering skid with hook up to the tandem offloading system.
  • Laying new gas lines from the bow to the pressure reducing station on deck and further to the boilers in Engine room.
  • Modifying existing boilers to dual fired ones.
  • Modifying cargo systems.
  • Upgrading the Cargo control room equipment.
  • Fabricating and installing heli-deck and boarding facilities.
  • Installing new Fire and gas alarm system and Emergency shut down system.
  • Refurbishment of the accommodation block.
  • Internal tank treatment and routine dry docking for a 10-year system.
  • Project/quality and safety management.


  1. Client:** Saipem, ENI/Single Buoy Moorings Inc.
  2. Project:** Conventional medium size crude tanker to Mystras FPSO II
  3. Project Duration:** 2002 - 2003
  1. Project Scope:**
    • Removal and safe disposal of asbestos.
    • Fabricating and installing spread mooring system and riser balconies.
    • Fabricating and installing sponson tanks on either side of vessel.
    • Installing new crude lines on the deck, installing and connecting the metering skid with hook up to the tandem offloading system.
    • Fabricating and installing flare tower, a pipe rack running on the centre line.
    • Installing module supports and 16 production modules.
    • Laying new gas lines from the bow to the pressure reducing station on deck and further to the boilers in Engine room.
    • Modifying existing boilers to dual fired ones and modifying cargo systems.
    • Upgrading cargo control room equipment.
    • Fabricating and installing heli-deck.
    • Installing new fire and gas alarm system and emergency shutdown system.
    • Complete refurbishment of the accommodation block.
    • Internal tank treatment and routine dry docking for a 15-year system.
    • Around 1000 tonnes of steel was refurbished.


  1. Client:** Fred Olsen Production AS for Canadian Natural Resources Limited
  2. Project:** VLCC to Knock Allan FPSO
  3. Project Duration:** September 2007 – December 2008
  1. Project Scope:**
    • Extending accommodation for 60 people and Deck Crane (PS).
    • Fabricating and installing the following: sea water pump room (4-P Ballast tank), module supports, heli-deck, 53 metres high flare tower, 16 chain stoppers, riser porch, offloading manifold and Fire Diesel Engine room Fwd (Fore Peak Tank); Fuel gas, steam line, HP and LP flare line, Condensate line, Fresh water line; Switchgear and Transformers and Power Generator Module.
    • Installing metering skid, glycol storage tank skid, glycol contactor & K.O Drum skid; three Deck Boilers of capacity 63 tonnes/hr dual fuel; Process Modules; four HP Gas Compressor Modules; new air conditioning plant including compressors, condensers, and air handling units; new Sewage Treatment Plant (STP); import and offloading pipelines and fire and foam lines; two floodlight posts.
    • Upgrading CCTV, PA/GA and Communication and Navigation systems.
    • Renewal of tanks with approximately 50 tonnes of steel and pipes on tanks/deck.
    • Installing double valve separation.
    • Coating of 11 cargo tanks, surface area of around 30,000m2 approximately, in addition to slop tanks (P/S); four ballast tanks, full tank excluding deck head area covering an area of approximately 24000m2; forepeak tank and fresh water tanks (P/S) and external hull, accommodation and main deck.
    • Fabricating and installing a power generation module.


  1. Client:** Fred Olsen Production A.S. for Addax Petroleum and Sinopec
  2. Project:** VLCC Elgreco to **Knock Adoon FPSO**
  3. Project Duration:** 2005 - 2006
  1. Project Scope:**
    • Upgrading accommodation from 30 people to that for 100 people.
    • Installing 14 chain stoppers, 3 process modules, inlet skid, K.O. drum, manifold skid and export metering skid.
    • Fabricating and installing flare tower, heli-deck, two offloading platforms, two import riser porches and water injection manifold.
    • Installing deck crane, booster skid, turbo alternator, FW generator, new diesel generator, diesel driven forward fire pump and five cooling pumps.
    • Installing new deck boiler and converting existing boiler for dual fuel firing.
    • Electrical work involved installing HV, MV and LV switchboard, fire and gas system, PA/GA system, navigational system and tank temperature and pressure monitoring system.
    • Refurbishment work involved, tank internal steel work, engine room, pump room and accommodation work and tank internal coating work.
    • Steel renewal of approximately 500 tonnes.
    • Coating of cargo and ballast tanks.
    • Refurbishment in engine room and pump room.
    • Up-grading accommodation for 30 people to 100 people.
    • Fabricating and installing 14 chain stoppers.
    • Installing new deck mounted boiler and converting existing boiler for dual fuel firing.
    • Installing and hook-up of 2 process modules, 1 water injection module, inlet skid, K.O. drum, manifold skid, booster skid and export metering skid.
    • Fabricating and installing Flare tower.
    • Fabricating and installing heli-deck.
    • Fabricating and installing two offloading platforms, a water injection platform and two import riser porches.
    • Installing new equipment such as Turbo alternator, condenser, FW generator, calorifier, Foam system, 5 process and condenser cooling pumps, sewage treatment plant, incinerator and compactor.
    • Major piping work was carried out with lines for offloading, water injection, water, loading & discharge, steam and condensate, instrument air and fire.
    • Major electrical work included installing HV/MV/LV switchboards, transformers.
    • Approximately 70 km of cables were used.
    • Installing new PA/GA, telephone, F&G system and ESD system.


  1. Client:** FPSOcean
  2. Project:** Shuttle tanker to FPSO Deep Producer I
  3. Project Duration:** March 2007 to January 2009
  1. Project Scope:**
    • Fabricating four new thruster compartments and installing new non-retractable Azimuth thrusters.
    • Modifying vessel’s mid ship for installing new moon pool and renewing approximately 1000 tonnes of steel.
    • Fabricating and installing a swivel room above the Moon Pool structure for equipment related to the DRB (Disconnectable Riser Buoy) including gantry structures, winches and hydraulics.
    • Installing owner supplied Process and Power modules and related process piping and cabling work on deck.
    • Cargo and ballast tank-coating.
    • Fabricating and installing new offloading platform, heli-deck and Emergency Generator Room.
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