New York Mercantile Exchange (NYMEX) prices for February delivery of light, sweet crude oil stood at 51.88 U. S. dollars per barrel on Thursday, he lowest since May 2005.

The use of integrated process provides more qualified feedstock for RFCC, increases the yield of light oil, and enhances the economic benefit of refineries and adaptability of crude oil.

A displacement method of chromatography for analysis of group composition of light crude oil and condensate was introduced in the paper.