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Petroleum Science >2016, Issue 4: 737-745 DOI: https://doi.org/10.1007/s12182-016-0111-8

Waxes in asphaltenes of crude oils and wax deposits Open Access

文章信息

作者：Yulia M. Ganeeva,Tatiana N. Yusupova and Gennady V. Romanov

作者单位：

A.E. Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, 8 Arbuzov St., Kazan, Russian Federation 420088; Institute of Geology and Petroleum Technologies, Kazan(Volga region) Federal University, 18 Kr;A.E. Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, 8 Arbuzov St., Kazan, Russian Federation 420088; Institute of Geology and Petroleum Technologies, Kazan(Volga region) Federal University, 18 Kr;A.E. Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, 8 Arbuzov St., Kazan, Russian Federation 420088; Institute of Geology and Petroleum Technologies, Kazan(Volga region) Federal University, 18 Kr

投稿时间：2016-01-29

引用方式：Ganeeva, Y.M., Yusupova, T.N. & Romanov, G.V. Pet. Sci. (2016) 13: 737. https://doi.org/10.1007/s12182-016-0111-8

文章摘要

Composition and molecular mass distribution of n-alkanes in asphaltenes of crude oils of different ages and in wax deposits formed in the borehole equipment were studied. In asphaltenes, n-alkanes from C₁₂ to C₆₀ were detected. The high molecular weight paraffins in asphaltenes would form a crystalline phase with a melting point of 80–90 ℃. The peculiarities of the redistribution of high molecular paraffin hydrocarbons between oil and the corresponding wax deposit were detected. In the oils, the high molecular weight paraffinic hydrocarbons C₅₀–C₆₀ were found, which were not practically detected in the corresponding wax deposits.

关键词

Waxes · Asphaltenes · Hydrocarbon composition · Crude oil · Wax deposit