alexa Supramolecular Structures of Oil Systems as the Key to Regulation of Oil Behavior | OMICS International | Abstract
ISSN:2157-7463

Journal of Petroleum & Environmental Biotechnology
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Research Article

Supramolecular Structures of Oil Systems as the Key to Regulation of Oil Behavior

Tukhvatullina AZ1*, Barskaya EE1, Kouryakov VN2, Ganeeva YM1, Yusupova TN1 and Romanov GV1
1AE Arbuzov Institute of Organic and Physical Chemistry of Kazan Scientific Center of Russian Academy of Sciences, Kazan, Russia
2Oil and Gas Research Institute of Russian Academy of Sciences, Moscow, Russia
Corresponding Author : Tukhvatullina AZ
AE Arbuzov Institute of Organic and
Physical Chemistry of Kazan Scientific
Center of Russian Academy of Sciences, Kazan, Russia
E-mail: [email protected], [email protected]
Received July 09, 2013; Accepted August 24, 2013; Published September 02, 2013
Citation: Tukhvatullina AZ, Barskaya EE, Kouryakov VN, Ganeeva YM, Yusupova TN, et al. (2013) Supramolecular Structures of Oil Systems as the Key to Regulation of Oil Behavior. J Phylogenetics Evol Biol 4:152. doi:10.4172/2157-7463.1000152
Copyright: © 2013 Tukhvatullina AZ, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

The paper is devoted to investigation of supramolecular structures formed by high-molecular components of oil – asphaltenes and waxes. Petroleum asphaltenes that are characterized by their ability to self-organization can be considered as a polydisperse system. The aggregation of A1and A2 asphaltenes both in toluene solution and in diluted heavy oils was studied by dynamic light scattering technique. The stabilizing role of resins was confirmed. Due to the fact that the supramolecular structures in oils can be also formed by high molecular microcrystalline waxes, their influence as well as A1 and A2 asphaltenes on wax crystallization process was evaluated using optical microscopy. The effect of the different molecular structures of asphaltenes (A1 and A2) on the rheological properties of crude oils was also observed. Self-organization of asphaltenes directly in heavy high-viscosity oils with high content of resins was investigated by varying the ratios oil:precipitant. It was shown that extremely stable supramolecular structures in heavy oils had been formed. The influence of ultrasonic action for the destruction of stable supramolecular structures and the reduction of oil viscosity were considered. Also petroleum asphaltenes can be the indicators of many processes that occur in the reservoir. We have shown the possibility of using the gradient of asphaltenes, as well as their structure, to confirm the influx of deep light hydrocarbons in carbonate reservoirs. Thus, all obtained results of investigation of structure formation processes will let regulate the macroscopic properties of heavy oils in the future and identify the processes occurring in the reservoir.

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