Oil

• Fire of a floating roof tank of crude oil caused due to a large earthquake and full face fire of another floating roof tank two days later (2003)
• Fire of gasoline vapor during remodeling two gasoline tanks at the same time at an oil terminal (2003)
• Fire during receiving gasoline at an inner floating roof tank (2002)
• Leakage and fire from a flange with a special shape at the reactor outlet at a gas oil medium-pressure hydrocracker (2002)
• Leakage and fire caused due to corrosion of bypass piping for recirculation gas at a fuel oil desulphurization unit (2002)
• Fire of hydrogen sulfide that leaked from overflash piping of an atmospheric distillation column (2000)
• Fire in a fin-fan cooler at an outlet of the reactor at a fuel oil hydro-desulfurization unit (2000)
• Fire of cracked naphtha leaked from piping changed on an emergency shutdown (1999)
• Gas oil leakage from the tip valve of a bottom-loading tank lorry (1999)
• Leakage and fire of hydrogen and gas oil mist from a flange at outlet piping of a reactor due to a heavy rain at a desulphurization plant (1997)
• Fire caused due to an outflow of bottom oil on opening of a drain valve at the bottom of a column at a vacuum distillation unit (1998)
• Fire of leaked oil from a heat exchanger caused due to slow action of an emergency cut-off valve at a fluidized catalytic cracking unit (1998)
• Rupture of a flush liquid cooler for a mechanical seal after repairing a high-temperature pump (1997)
• Fire of residue oil which leaked from carelessly opened valves at an atmospheric distillation unit (1997)
• Leakage and fire caused due to start-up with a hose connected to an opened vent valve at inlet piping of a furnace at a fuel oil desulfurization unit (1997)
• Leakage and fire due to corrosion of branch piping for a thermometer of an atmospheric distillation unit (1996)
• Explosion of hydrogen gas due to a backflow during a turnaround shutdown at a hydrogen producing unit. (1996)
• Leakage and fire caused due to a rupture of a heating furnace tube from unbalanced heating at a heating furnace of a fuel oil direct desulfurization unit (1996)
• Fire of a fuel oil fraction during sampling at a vacuum distillation unit (1996)
• Fire caused due to leakage of heavy oil from vibration in the distillation section at a fuel oil direct desulfurization unit (1996)
• Leakage of crude oil caused due to abrasion of pipe from external corrosion of crude oil piping (1996)
• Leakage of hydrogen sulfide gas caused due to overlapping of some errors during shutdown maintenance for off-site piping at a refinery (1995)
• Leakage and fire of fuel oil from a flange between a heat exchanger and piping during shutdown operation at a vacuum gas oil hydrodesulfurization unit (1995)
• Fire caused due to flammable iron sulfide generated in a drainage tank of an oil refinery (1995)
• Fire and complete destruction of an oil terminal due to using pipes before finishing repairs (1994)
• Leakage of hydrogen caused due to misuse of a gasket at a hydrogenation desulfurizing unit of an oil refinery (1994)
• Leakage of gasoline loaded into a tank lorry caused due to disregard of an over-loading alarm (1994)
• Explosion and fire due to use of an electric spray during painting work inside a pontoon of a floating roof tank (1994)
• Leakage and fire of carbon monoxide caused due to breakage of a gas expander from over revolutions at a fluidized catalytic cracker unit (1994)
• Fire caused due to sudden rupture of a buffer drum of a compressor at a light fuel oil desulfurization unit (1994)
• Fuel oil leakage from the corroded part of branch piping for pressure gauge attachment at jetty loading equipment (1993)
• Explosion and fire caused by the breakaway of the cover plate from the heat exchanger of the desulfurization equipment (1992)
• Leakage and explosion at a heat exchanger having a special structure caused due to insufficient maintenance of a vacuum gas oil hydrodesulfurization unit (1992)
• Fire of iron sulfide in an asphalt tank during a turnaround shutdown (1992)
• Fire occurred on opening to the atmosphere of a soil-covered underground oil tank of the Self-Defense Force (1992)
• Leakage and fire of LPG caused due to inadequate repair work at a gasification-desulphurization plant (1991)
• Fire of a raw material feed pump caused due to incorrect operation during emergency shutdown procedure at a fuel oil direct desulfurization unit (1991)
• Explosion of residual gas during digging up and dismantling of an underground tank at a gas station (1991)
• Leakage of fuel oil caused due to damage to a valve made of cast iron at a refinery (1991)
• Fire of molten sulfur due to ignition of iron sulfide on opening of a molten sulfur tank (1991)
• Oxygen deficiency accident due to mistaken connection of nitrogen gas instead of air during cleaning work of a kerosene tank (1980)
• Leakage of water contaminated with crude oil from a corroded part of piping during removing operation of unnecessary piping left for a long time (1990)
• Fire due to heat accumulation from oxidation of stuck materials on the wall of a blown asphalt tank of a refinery (1990)
• Leakage of fuel oil into the sea from the corroded part under hot insulation of receiving piping at a jetty (1990)
• Leakage caused due to delay in valve operation on loading kerosene into a tanker (1990)
• Leakage and fire of naphtha and hydrogen caused due to a tightening problem of a flange at a naphtha catalytic reforming unit (1990)
• Fire of a vacuum residue leaked from an opening of pipe caused due to corrosion in the bottom recycling line at a vacuum distillation unit. (1990)
• Leakage and fire of heavy residue oil from a drain valve after pump switching at a vacuum distillation unit of a refinery (1990)
• Fire of gas oil caused due to leakage from a bonnet flange of a valve usually not used at an atmospheric distillation unit (1990)
• Fire of gas leaked from a flange of piping at a vacuum gas oil hydro-desulfurization unit (1989)
• Leakage and explosion of hydrogen at outlet piping of a reactor in the indirect hydrodesulfurization unit of a fuel oil (1989)
• Fire caused due to erosion of a water injection nozzle to reactor outlet piping at a heavy oil hydrodesulfurization unit (1988)
• Fire and explosion of high-pressure hydrogen caused due to failure of a stopping operation of a feed pump of raw oil at a demonstration unit for catalytic cracking of a residue (1988)
• Sinking of a floating roof due to inundating of pontoons and retained rain-water on the roof at a floating roof naphtha tank (1987)
• Fire caused due to leakage from a control valve flange, which became loose due to vibration at a catalytic reforming unit (1987)
• Fire at a fin-fan cooler due to contamination of hydrogen by mishandling of a valve during turnaround shutdown maintenance at an atmospheric distillation unit (1987)
• Fire of gasoline fire during drain work at a filter of lorry shipping facilities (1987)
• Explosion at a furnace caused due to fuel gas leakage on starting-up of a catalytic reforming unit. (1986)
• Explosion and fire at a chemical tanker during cargo-handling caused due to static electricity from an insulated level gage (1985)
• Fire of residual oil during repairing at a fuel oil tank of refinery (1984)
• Leakage due to a crack of the weld part of a block valve for branched piping at a fuel oil hydrodesulfurization unit (1984)
• Explosion and fire of a distillation tank at a waste oil regeneration factory (1983)
• Leakage of gas oil from a crack in the corroded part of a tank side wall due to an earthquake (1983)
• Burst by Hydrogen attack of Residue Hydrodesulfurization Unit Piping (1982)
• Explosion on sampling of kerosene fractions from a tank roof (1981)
• Fire of a soil-covered underground oil tank of U.S. Army caused due to hot work at an adjacent tank (1981)
• Brittle Fracture of Hydrodesulfurization Reactor during Pressure Test (1980)
• Rupture of a reactor during an air-tight test of reactor used for 21 years at a catalytic hydro-desulfurization unit (1980)
• Leakage and fire of heavy gas oil from an opening in vent piping of a reflux pump at a distillation column (1978)
• Outflow of all fuel oil from a tank caused due to breakage of a base plate of an outdoor oil tank from an earthquake (1978)
• Explosion and fire of a boiler for power generation on restarting operation (1977)
• Leakage and fire of hydrogen caused due to stress corrosion cracking that originated from the influence of turnaround shutdown maintenance on a drain valve at hydrogen gas piping in a fuel oil desulfurization cracking unit (1999)
• Explosion of a toluene tank due to static electricity on sampling (1976)
• Explosion and fire of light oil evaporated at a waste oil regeneration factory (1975)
• Fire caused due to a drop of structure into a corroded kerosene tank (1975)
• Oil Spill by Mizushima's Tank Damage (1974)
• Outflow of 43000 kL fuel oil into Setonaikai sea caused due to a crack at the base plate of a tank (1974)
• Fire caused due to damaged glass of a level gauge at a hydrogen sulfide absorption column of a kerosene hydrodesulfurization unit (1973)
• Explosion and fire on sampling at a benzene tank (1972)
• Leakage of a newly constructed floating roof tank caused due to damage to a base plate during a water leak test (1968)
• Explosion and fire of LPG tanks (1966)
• Fire of Petroleum Tank, etc. by Niigata Earthquake (1964)