Puerto Rican Tanker Disaster

The SS Puerto Rican, was an American-flagged tanker disabled by an explosion on October 31, 1984. The 20,295 GRT, 632 ft (192.6 m), tanker was owned by Bankers Trust Company and operated by Keystone Shipping Co. of Philadelphia which burned in an explosion with the stern section sinking just hours after leaving San Francisco bound for New Orleans with a cargo of 91,984 barrels of lubricating oil and additives. In addition to the cargo the ship was fueled with 8,500 barrels of Heavy Fuel Oil (Bunker C) before departure.

https://engineers-channel.blogspot.com/p/oil-and-gas-disasters.html