- naphthenic crudes
- A type of crude petroleum containing a relatively large proportion of naphthenic-type hydrocarbon.
Petroleum refining glossary. 2013.
naphthenic crudes
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paraffin-base crude — A type of crude oil containing predominantly paraffin hydrocarbons as distinguished from asphaltic and naphthenic base crudes. It is a source of high quality lubricating oils … Petroleum refining glossary
