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July 7, 2011

Thermal expansion of crude oil causes an incident

A HSE press release mentions that an incident had occurred in a crude oil pipeline due to thermal expansion of the crude oil. The report mentions that the company had recognized the risk of thermal expansion of crude oil and subsequent pressure increase but had depended on a manual system of draining the pipeline instead of installing engineering controls.
Beware of thermal expansion of liquids trapped in pipelines! Read the press release in this link.

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