Jones and Cassidy went on to play mother and son on The Partridge Family, which debuted in the fall of 1970. Danny Bonaduce and Susan Dey were also key members of the cast.
Sour crude oil. Sour crude oil is crude oil containing a high amount of the impurity sulfur. It is common to find crude oil containing some impurities. When the total sulfur level in the oil is more than 0.5% the oil is called sour.
DEFINITION of 'Sour Crude'. The name given to barrels of crude oil that do not meet certain content requirements, including low levels of hydrogen sulfide and carbon dioxide. Petroleum is considered sour if the total sulfur level is greater than 0.5%.