Change in the structural-group composition of bitumen asphaltenes upon thermal bitumen recovery


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Resumo

Comparative analysis of thermal analysis and EPR spectroscopy data on asphaltenes from Ashal’chinskoe and Mordovo-Karmal’skoe bitumens recovered by steam drive and in situ combustion has been performed. It has been found that the steam drive does not alter the structural-group composition of asphaltenes whereas the in situ combustion lead to conversion of asphaltenes into coke-like particles deposited onto the rock surface in the reservoir. It has been shown that the asphaltenes with a high proportion of condensed aromatic entities are carriers of genetic information on the petroleum system.

Sobre autores

T. Yusupova

Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center; Institute of Geology and Petroleum Technologies

Email: ganeeva@iopc.ru
Rússia, Kazan, 420008; Kazan, 420008

Yu. Ganeeva

Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center; Institute of Geology and Petroleum Technologies

Autor responsável pela correspondência
Email: ganeeva@iopc.ru
Rússia, Kazan, 420008; Kazan, 420008

G. Romanov

Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center; Institute of Geology and Petroleum Technologies

Email: ganeeva@iopc.ru
Rússia, Kazan, 420008; Kazan, 420008

E. Barskaya

Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center; Institute of Geology and Petroleum Technologies

Email: ganeeva@iopc.ru
Rússia, Kazan, 420008; Kazan, 420008

V. Morozov

Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center

Email: ganeeva@iopc.ru
Rússia, Kazan, 420008

E. Okhotnikova

Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center; Institute of Geology and Petroleum Technologies

Email: ganeeva@iopc.ru
Rússia, Kazan, 420008; Kazan, 420008

A. Vakhin

Institute of Geology and Petroleum Technologies

Email: ganeeva@iopc.ru
Rússia, Kazan, 420008

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