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December
Summary
A straight run of eight-inch-diameter line carrying hot oil from the high pressure separator to the low pressure stripper in a refinery hydrodesulfurizer fractured circumferentially in the parent metal in
Summary
A straight run of eight-inch-diameter line carrying hot oil from the high pressure separator to the low pressure stripper in a refinery hydrodesulfurizer fractured circumferentially in the parent metal in the heat zone about 1.5 inches from a weld. Hot oil at 700 psi and 650°F sprayed across the roadway into the hydrogen units where ignition occurred. An intense fire around the pipe rack in the hydrogen plant caused a 16-inch-diameter gas line to rupture, adding a second blow torch to the fire. More pipes ruptured with explosive force in adjacent areas. The fire resulted in a crash shutdown of the entire 600,000 bbl/d refinery. After six and a half hours, the fire was extinguished. Damage was extensive. The three hydrogen plants and the four hydrodesulphurization (HDS) units were heavily damaged or destroyed. Before the loss, the line which failed was judged as having excessive vibration. It is believed that the hot oil line failed due to fatigue, considered, in turn, to be largely due to hydrogen embrittlement.
[ Property Damage $75 Million. Estimated Current Value $180 Million ]
Image credit: PDVSA
Summary
A huge boil-over occurred on a fuel oil tank, killing at least 160 people in a huge fire ball. The explosion occurred on the fuel oil tank while it was
Summary
A huge boil-over occurred on a fuel oil tank, killing at least 160 people in a huge fire ball. The explosion occurred on the fuel oil tank while it was being gauged, blowing the roof off the tank and setting it on fire. Eight hours after the tank fire started a violent boil-over occurred. Burning oil flowed down the hill where the tank was located and surrounded a second tank.
[ Property Damage $70 Million. Estimated Current Value $193 Million ]
Image credit: Radio Rescate
March
Summary
An apparent failure of a propane intercooler liquid level control during unsupervised maintenance led to an explosion and fire. The control room on the main platform was destroyed and adjacent
Summary
An apparent failure of a propane intercooler liquid level control during unsupervised maintenance led to an explosion and fire. The control room on the main platform was destroyed and adjacent platforms were affected by the blast wave. There were 11 fatalities.
[ Property Damage $100 Million. Estimated Current Value $194 Million ]
Image credit: PDVSA