The eia820 refinery capacity survey was not conducted for january 1, 1996 or january 1, 1998. Relative size, however, can be measured using refinery complexitya concept developed by w. Wilbur nelson introduced the concept of complexity factor in the 1960s. Nelson expressed the complexity of a process unit as the grassroots. Worldwide refining survey with complexity analysis 2018. Refining report complexity index indicates refinery. The index provides an easy metric for quantifying and ranking the complexity of various refineries and units. Nelson applied the unit complexity factor to describe the complexity and sophistication of a re.
The nelson refinery complexity index is a costbased index. Chinas independent refineries operation report about sci group. Each process unit is assigned a complexity factor, 1. Equivalent distillation capacity measure of downstream conversion capacity to the initial distillation developed by nelson 1960 to quantify relative costs of refining processes. The refinery capacity report became a separate product in 2006, which includes tables in pdf format and an individual refinery xls file. Refinery complexity is measured using whats known as the nelson complexity index, which. Refinery capacity report energy information administration. Worldwide refinery survey and complexity analysis historical.
Refinery emissions from a competitive perspective vnpi. Exclusive report on the operating and financial performance of the top 100 nonu. Exploring the implications of russian energy strategy project for oil. The nelson complexity index nci is a measure to compare the secondary conversion capacity of a petroleum refinery with the primary distillation capacity. Database on the current active units in the russian refineries 2. The worldwide refinery survey and complexity analysis combines the most current worldwide refinery survey with the nelson refinery complexity index. Petroleum refineries vary by level of complexity today. Pdf refinery complexity quantifies the sophistication and capital intensity of a refinery and has found widespread application.
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