Shells Hydroprocessed Lubes

Shell developed its own lubes hydrocracking technology for the Petit-Couronne, France, plant,13 built in 1972, with a planned output of 1400 bpd of 95+ VI (high 

Source S. L. Thompson, Stabilizing a Hydrocracked Lube Oil by Solvent Extraction, U.S. Patent 3,781,196. 

VI) and 130+ VI (very high VI) base stocks from wax cracking. The success of the plant led to its expansion in 1977 to 6000 bpd. The company s objectives were similar to others as this new technology emerged—namely, to have the ability to make base stocks with Vis exceeding 95, to avoid having to use the restricted suite 

Results of Stability Tests on Base Stocks Produced from Extracted and Unextracted Feeds 

ASTM D1500 Color, ASTM D1500 

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