Distribution Patterns of Main Structural-Group Parameters of Crude Oils from Lena–Tunguska Oil-and-Gas Basin According to <sup>13</sup>C NMR Data: Fid-Bau Portal

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Distribution Patterns of Main Structural-Group Parameters of Crude Oils from Lena–Tunguska Oil-and-Gas Basin According to ¹³C NMR Data

Smirnov, M. B. / Vanyukova, N. A.

The distributions of the ¹³C NMR-measured structural-group composition parameters of the Lena–Tunguska basin crude oils were obtained. All these distributions were shown to be far from normal, many of them being asymmetric and/or bimodal. These oils exhibit a significantly lower content of aromatics than the Volga–Urals and Western Siberia oils. The principal maximum of C_ar distribution lies in the distribution tail areas of the other two basins. The Lena–Tunguska oils are free of fluids with low content (below 14 abs %) of n-alkyl structures. It was also demonstrated that the crude oils sampled from the basin’s two major tectonic structures, namely the Baikit anteclise and the Nep-Botuob anteclise, differ significantly from one another in the concentrations of aromatics and n-alkyl structures.

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Distribution Patterns of Main Structural-Group Parameters of Crude Oils from Lena–Tunguska Oil-and-Gas Basin According to ¹³C NMR Data

Smirnov, M. B. / Vanyukova, N. A.

The distributions of the ¹³C NMR-measured structural-group composition parameters of the Lena–Tunguska basin crude oils were obtained. All these distributions were shown to be far from normal, many of them being asymmetric and/or bimodal. These oils exhibit a significantly lower content of aromatics than the Volga–Urals and Western Siberia oils. The principal maximum of C_ar distribution lies in the distribution tail areas of the other two basins. The Lena–Tunguska oils are free of fluids with low content (below 14 abs %) of n-alkyl structures. It was also demonstrated that the crude oils sampled from the basin’s two major tectonic structures, namely the Baikit anteclise and the Nep-Botuob anteclise, differ significantly from one another in the concentrations of aromatics and n-alkyl structures.

Distribution Patterns of Main Structural-Group Parameters of Crude Oils from Lena–Tunguska Oil-and-Gas Basin According to ¹³C NMR Data

Smirnov, M. B. / Vanyukova, N. A.

The distributions of the ¹³C NMR-measured structural-group composition parameters of the Lena–Tunguska basin crude oils were obtained. All these distributions were shown to be far from normal, many of them being asymmetric and/or bimodal. These oils exhibit a significantly lower content of aromatics than the Volga–Urals and Western Siberia oils. The principal maximum of C_ar distribution lies in the distribution tail areas of the other two basins. The Lena–Tunguska oils are free of fluids with low content (below 14 abs %) of n-alkyl structures. It was also demonstrated that the crude oils sampled from the basin’s two major tectonic structures, namely the Baikit anteclise and the Nep-Botuob anteclise, differ significantly from one another in the concentrations of aromatics and n-alkyl structures.

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Title:

Distribution Patterns of Main Structural-Group Parameters of Crude Oils from Lena–Tunguska Oil-and-Gas Basin According to ¹³C NMR Data

Additional title:

Pet. Chem.

Contributors:

Smirnov, M. B. (author) / Vanyukova, N. A. (author)

Published in:

Petroleum Chemistry ; 61 ; 555-560

Publication date:

2021-05-01

Size:

6 pages

ISSN:

1555-6239 , 0965-5441

DOI:

https://doi.org/10.1134/S0965544121060104

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

crude oil composition , structural-group parameters , Lena–Tunguska oil-and-gas basin Chemistry , Industrial Chemistry/Chemical Engineering , Chemistry and Materials Science

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