Definitions for "Sour Crude Oil"
Keywords:  crude, sulphur, sulfur, mercaptans, oil
An industry term for crude oil relatively high in sulfur content. The term sour generally denotes crude with a sulfur content of 1.5% by weight or higher. Sour crude usually commands a lower price than sweet crude of equivalent APR gravity.
Oil containing free sulfur or other sulfur compounds whose total sulfur content is in excess of 1 percent.
Crude oil with a high sulphur content.