FPSO Main Utilities Systems

Course Content

• • Each presentation of an utility system includes the following content: objectives, production generation, description, control systems, networks and users, critical situations.

• UTILITIES PRESENTATION

• AIR PRODUCTION

  • Air service and air instrument.
  • Air treatment, distribution and consumers.

• HEATING & COOLING SYSTEM

  • Heating system: heat supply means (WHRU - Heaters), heating medium loop description and heat consumers.
  • Cooling system:
  • Seawater lifting pumps, filters and heat exchangers.
  • Cooling water loop description and cool consumers.

• UTILITIES RELATED TO SAFETY

  • Inert Gas IG system: objectives of IG use, IG production (IG generator, flue gas), IG network and consumers.
  • Nitrogen system: nitrogen generators (molecular sieves, selective membrane), storage, network, control and consumers.
  • Flares: flaring objectives, safety release devices HP, LP flare networks. Sonic, subsonic tips types. Flare tip ignition.
  • Safety and escape systems: main firefighting protection system, emergency response plan, mustering and escape means.
  • HVAC Heating Ventilation Air Conditioning system: HVAC function, typical central air handling unit arrangement. Refrigeration cycle.

• BALLAST

  • Ballast uses and objectives. Ballast network description and operating.

• ENERGY FOR TURBINES, ENGINES, ASSISTANCE BOATS, HELICOPTERS

  • Power generation systems: different sources of electricity production, electrical network, load sharing.
  • Fuel Gas FG system: FG sources, treatment. Network and consumers.
  • Fuel Oil FO system: FO in absence of FG. FO supply, treatment, storage and consumers.
  • Fuel Jet system: jet supply and transfer, storage and sampling and test, helicopter refueling.

• CHEMICAL PRODUCTS SYSTEM

  • Topside and subsea chemicals: chemicals supply and tote tanks transfer, storage and tanks blanketing, pumps arrangement and IRCD Injection Rate Control Devices.
  • Methanol: methanol supply by chemical tanker in tandem mode, storage and injection for preservation.
  • LDHI (Low Dosage Hydrate Inhibitor): LDHI in place of methanol; LDHI supply, storage and injection for preservation.

• SEA WATER USES

  • Industrial and potable water systems: seawater desalination methods (distillation and reverse osmosis), process for industrial and potable water, storage and distribution to consumers.
  • Electro-chlorination system: electrolysis of the seawater, electrolytic cells and unit, storage of hypochlorite solution and distribution.

• DRAINS SYSTEMS

  • Closed and opened drains systems: open and closed drains sources and recovering; slop tanks, water treatment and disposal; MARPOL regulation (ODME Oil Discharge Monitoring Equipment).
  • Sewage system: MARPOL regulation, living quarter waters recovery, waters treatment and disposal.
  • Bilge and sludge system: MARPOL regulation; machinery room draining system; bilge and sludge recovery, storage, treatment and disposal.