Use of ESR method in studying structure of asphaltenes of different types

Chernova, T. G.; Chutkerashvili, E. E.

doi:10.1007/bf00726293

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2005

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“…That is the reason of the constant interest of researchers to the effects of various factors on the composition and the structure of asphaltenes. An impact of natural cata-and hypergenic transformations on asphaltenes is known [2][3][4][5]. The adsorption characteristics of reservoir rock has been studied in terms of comparative analysis of the structure-group composition of asphaltenes in residual and produced crude oils [6,7].…”

Section: Introductionmentioning

confidence: 99%

The Effect of Natural and Technogenic Factors on the Structure-Group Composition of Asphaltene

Ganeeva

Yusupova

Barskaya

et al. 2005

Canadian International Petroleum Conference

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IR spectroscopy and ESR spectroscopy have been applied to study the asphaltenes from produced oil and from residual (extracted from cores) oil of the Devonian deposits of the Romashkino oil field (Tatarstan, Russia). A statistically significant differences in structure-group composition of asphaltenes both produced oils and poor-and highlytransformed residual ones are revealed. For each asphaltene group the regularities in alteration of structure-group composition are determined and the effect of natural and technological factors is estimated.

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Section: Introductionmentioning

confidence: 99%