Composition and rheological properties of oil deposits of highly paraffinic crude oil

Authors: N.V. Yudina, Yu.V. Loskutova (Institute of Petroleum Chemistry, Sibirian Branch of RAS, Tomsk, Russian Federation), E.V. Beshagina (National Research Tomsk Polytechnic University, Tomsk, Russian Federation)

The influence of temperature and "the cold rod" on precipitates' amount and composition is examined for highlyparaffinic resinous oil of Tomskaja region. Rheological properties of precipitates are defined by the content of low- and high-molecular paraffins. The precipitates allocated at the temperature gradient 70/30°C are characterized with maximum viscosity, increased amount of high-molecular paraffin hydrocarbons C41-C70, resins and asphaltenes.

Key words: oil, carbohydrates, asphalt-resin-paraffin deposits, scale inhibitor, the dynamic viscosity.

References

1. Tronov V.P. Mekhanizm obrazovaniya smoloparafinovykh otlozheniy i bor'ba s nimi (The mechanism of formation paraffins sediment and control), Moscow.: Nedra Publ., 1970, 192 p.

2. Ragulin V.V., Smolyanets E.F., Mikhaylov A.G., Neftepromyslovoe delo, 2001, no.5, pp. 33-36.

3. Prozorova I.V., Yudina N.V., Nebogina N.A., et. al., Neftyanoe khozyaystvo – Oil Industry, no.6, pp. 68 - 70.

4. Prozorova I.V., Serebrennikova O.V., Yudina N.V., et al., Khimiya v interesakh ustoychivogo razvitiya – Chemistry for Sustainable Development, 2006, V. 14, no. 5, pp. 473 - 477.

5. Beshagina E.V., Yudina N.V., Prozorova I.V., Savinykh Yu.V., Khimiya v interesakh ustoychivogo razvitiya – Chemistry for Sustainable Development, 2007, no. 15, pp. 653 -659.

6. Tronov V.P., Gus'kova I.A., Neftyanoe khozyaystvo – Oil Industry, 1999, no. 4, pp. 24 – 25.

7. Turukalov M.B., Stroganov V.M., Yas'yan Yu.P., Neftepererabotka i neftekhimiya, 2007, no. 7, pp. 31 – 34.

8. Marie E., Chevalier Y., Eydoux F. et al. Control of n-alkanes crystallization by ethylene–vinyl acetate copolymers, Journal of Colloid and Interface Science, 2005, V. 290, no. 2, pp. 406 - 418.

9. Terteryan R.A. Depressornye prisadki k neftyam, toplivam, maslam (Pour-point depressant for oil, fuels, oils), Moscow: Khimiya Publ., 1990, 236 p.

10. Ragulin V.V., Smolyanets E.F., Mikhaylov A.G., Neftepromyslovoe delo, 2001, no. 5, pp. 33-36.

11. Soni H.P., Kiranbala, Bharambe D.P. Performance-based designing of wax crystal growth inhibitors, Energy & Fuels, 2008, V. 22, pp. 3930 – 3938.

The influence of temperature and "the cold rod" on precipitates' amount and composition is examined for highlyparaffinic resinous oil of Tomskaja region. Rheological properties of precipitates are defined by the content of low- and high-molecular paraffins. The precipitates allocated at the temperature gradient 70/30°C are characterized with maximum viscosity, increased amount of high-molecular paraffin hydrocarbons C41-C70, resins and asphaltenes.

Key words: oil, carbohydrates, asphalt-resin-paraffin deposits, scale inhibitor, the dynamic viscosity.

References

1. Tronov V.P. Mekhanizm obrazovaniya smoloparafinovykh otlozheniy i bor'ba s nimi (The mechanism of formation paraffins sediment and control), Moscow.: Nedra Publ., 1970, 192 p.

2. Ragulin V.V., Smolyanets E.F., Mikhaylov A.G., Neftepromyslovoe delo, 2001, no.5, pp. 33-36.

3. Prozorova I.V., Yudina N.V., Nebogina N.A., et. al., Neftyanoe khozyaystvo – Oil Industry, no.6, pp. 68 - 70.

4. Prozorova I.V., Serebrennikova O.V., Yudina N.V., et al., Khimiya v interesakh ustoychivogo razvitiya – Chemistry for Sustainable Development, 2006, V. 14, no. 5, pp. 473 - 477.

5. Beshagina E.V., Yudina N.V., Prozorova I.V., Savinykh Yu.V., Khimiya v interesakh ustoychivogo razvitiya – Chemistry for Sustainable Development, 2007, no. 15, pp. 653 -659.

6. Tronov V.P., Gus'kova I.A., Neftyanoe khozyaystvo – Oil Industry, 1999, no. 4, pp. 24 – 25.

7. Turukalov M.B., Stroganov V.M., Yas'yan Yu.P., Neftepererabotka i neftekhimiya, 2007, no. 7, pp. 31 – 34.

8. Marie E., Chevalier Y., Eydoux F. et al. Control of n-alkanes crystallization by ethylene–vinyl acetate copolymers, Journal of Colloid and Interface Science, 2005, V. 290, no. 2, pp. 406 - 418.

9. Terteryan R.A. Depressornye prisadki k neftyam, toplivam, maslam (Pour-point depressant for oil, fuels, oils), Moscow: Khimiya Publ., 1990, 236 p.

10. Ragulin V.V., Smolyanets E.F., Mikhaylov A.G., Neftepromyslovoe delo, 2001, no. 5, pp. 33-36.

11. Soni H.P., Kiranbala, Bharambe D.P. Performance-based designing of wax crystal growth inhibitors, Energy & Fuels, 2008, V. 22, pp. 3930 – 3938.



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