This paper describes the safety system and training for personnel on board the floating production storage and offloading (FPSO II) currently working in the Cadlao Field, offshore Palawan in the Philippine Islands. (See Figure 1). The crude oil being produced has wellstream hydrogen sulfide concentrations up to 6000 PPM. Concentrations of hydrogen sulfide at 700 PPM or higher con be immediately dangerous to life and every effort must be PPM or higher con be immediately dangerous to life and every effort must be made to ensure personnel safety.
The FPSO II is a stern yoke moored converted 127,000 DWT tanker which separates oil, water, and gas from two subsea completed wells. The oil is stored in cargo tanks to await offloading to a shuttle tanker which will carry the oil to a refinery. The sour natural gas is burned as fuel in the ship's original steam boiler. The steam is used to power cargo and water handling pumps, to drive steam turbines which generate electrical power and for fresh water making. The excess sour natural gas is flared through a large vertical enclosed flare stack mounted on the tanker deck. The vessel is moored by the stern to keep the accommodations upwind of the process flare and oil storage tanks. (See Figure 2).
To establish an overall safety program that would emphasize hydrogen sulfide safety. The program must include an awareness of the dangers of hydrogen sulfide, training in safe working procedures, use of personnel protective equipment, alarm systems with required personnel action, protective equipment, alarm systems with required personnel action, maintenance of the equipment and special consideration for problems that might be encountered when working in a hydrogen sulfide environment.
All personnel including day visitors receive a hydrogen sulfide safety briefing from the Safety Officer A-hen they arrive aboard. The briefing consists of general awareness of hydrogen sulfide dangers; the properties of hydrogen sulfide, toxicity, and the physical effects on humans. Personnel are advised of HIS procedures and are shown how to operate the Personnel are advised of HIS procedures and are shown how to operate the breathing apparatus with "hands on" training. They are then shown their muster point located on the bridge deck where it is open on either side plus is normally upwind and/or higher than sources of H 2 S. (See plus is normally upwind and/or higher than sources of H 2 S. (See Figure 3).