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Petroleum Science and Technology Volume 35, 2017 - Issue 14
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Original Articles

Vanadium and paramagnetic vanadyl complexes content in asphaltenes of heavy oils of various productive sediments

M. R. YakubovA.E. Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, Kazan, Republic of Tatarstan, RussiaCorrespondence[email protected]
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D. V. MilordovA.E. Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, Kazan, Republic of Tatarstan, RussiaORCID Iconhttp://orcid.org/0000-0003-2665-526X
ORCID Icon,
S. G. YakubovaA.E. Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, Kazan, Republic of Tatarstan, Russia
,
G. R. AbilovaA.E. Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, Kazan, Republic of Tatarstan, Russia
,
K. O. SinyashinA.E. Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, Kazan, Republic of Tatarstan, Russia
,
E. G. TazeevaA.E. Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, Kazan, Republic of Tatarstan, Russia
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U. U. BorisovaA.E. Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, Kazan, Republic of Tatarstan, Russia
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N. A. MironovA.E. Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, Kazan, Republic of Tatarstan, Russia
&
V. I. MorozovA.E. Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center, Russian Academy of Sciences, Kazan, Republic of Tatarstan, Russia
 show all
Pages 1468-1472 | Published online: 19 Oct 2017
 
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ABSTRACT

Using the atomic absorption spectrometry and electronic paramagnetic resonance techniques, we have investigated the features of vanadium and vanadyl complexes content in asphaltenes of heavy oils of Permian and Carboniferous productive sediments in the Volga-Ural oil and gas basin deposits. The investigation has been carried out using the heavy oils example, where the asphaltene content ranges from 5.1 to 21.2 wt%, and vanadium content varies in the range of 0.009–0.165 wt%. The specificity of asphaltene–vanadium relationship has been found for heavy oils of various productive sediments. It has been demonstrated that vanadium and vanadyl complexes content in asphaltenes of heavy oils in separate productive sediments varies in the certain range limits.

Funding

This work was supported by a Grant of the Russian Science Foundation (Project no. 15-13-00139).

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