The modeling of crude oil oxidation for in-situ combustion process by differential scanning calorimetrу experiments

Authors: A.S. Ushakova (Zarubezhneft JSC, RF, Moscow)

Key words: in situ combustion, differential scanning calorimetry, Arrhenius equation, upscaling.

In the present work crude oil oxidation mechanism due to in-situ combustion EOR technology is investigated. The oxidation kinetics’ data from calorimetric experiments is expressed in terms of the Arrhenius kinetic approach; the reaction parameters are estimated by several independent methods and used for the reaction model formation. The kinetic reaction model, including kinetic parameters approximation to the reservoir pressure is presented. The model is adjusted in accordance with the kinetic experimental curves.

References
1. Aldushin A.P., Merzhanov A.G., Collected papers “Rasprostranenie
teplovykh voln v geterogennykh sredakh” (Propagation of thermal waves in
heterogeneous environments): edited by Matros Yu.Sh., Novosibirsk: Nauka
Publ., 1988, pp. 9-52.
2. Emanuel' N.M., Denisov E.T., Mayzus Z.K., Tsepnye reaktsii okisleniya
uglevodorodov v zhidkoy faze (Chain oxidation of hydrocarbons in the liquid
phase), Moscow: Nauka Publ., 1965, 375 p.
3. Gutierrez D., Moore R.G., Mehta S.A. et al., The challenger of predicting
field performance of air injection projects based on laboratory and numerical
modeling, JCPT, 2009, V. 48, no. 4, pp. 23-34.
4. Bae J.H., Characterisation of crude oil for fireflooding using thermal analysis
methods, SPE 211-217, 1977.
5. Vyazovkin S., Wight Charles A., Model-free and model-fitting approaches
to kinetic analysis of isothermal and nonisotermal data, Elsevier Thermochimica
Acta 340342, 1999, pp. 53-68.
6. Burger J., Sahuquet B., Chemical aspects of in-situ combustion. Heat of
combustion and kinetics, SPE Journal, 1972, no. 12, pp. 410-422.  

Key words: in situ combustion, differential scanning calorimetry, Arrhenius equation, upscaling.

In the present work crude oil oxidation mechanism due to in-situ combustion EOR technology is investigated. The oxidation kinetics’ data from calorimetric experiments is expressed in terms of the Arrhenius kinetic approach; the reaction parameters are estimated by several independent methods and used for the reaction model formation. The kinetic reaction model, including kinetic parameters approximation to the reservoir pressure is presented. The model is adjusted in accordance with the kinetic experimental curves.

References
1. Aldushin A.P., Merzhanov A.G., Collected papers “Rasprostranenie
teplovykh voln v geterogennykh sredakh” (Propagation of thermal waves in
heterogeneous environments): edited by Matros Yu.Sh., Novosibirsk: Nauka
Publ., 1988, pp. 9-52.
2. Emanuel' N.M., Denisov E.T., Mayzus Z.K., Tsepnye reaktsii okisleniya
uglevodorodov v zhidkoy faze (Chain oxidation of hydrocarbons in the liquid
phase), Moscow: Nauka Publ., 1965, 375 p.
3. Gutierrez D., Moore R.G., Mehta S.A. et al., The challenger of predicting
field performance of air injection projects based on laboratory and numerical
modeling, JCPT, 2009, V. 48, no. 4, pp. 23-34.
4. Bae J.H., Characterisation of crude oil for fireflooding using thermal analysis
methods, SPE 211-217, 1977.
5. Vyazovkin S., Wight Charles A., Model-free and model-fitting approaches
to kinetic analysis of isothermal and nonisotermal data, Elsevier Thermochimica
Acta 340342, 1999, pp. 53-68.
6. Burger J., Sahuquet B., Chemical aspects of in-situ combustion. Heat of
combustion and kinetics, SPE Journal, 1972, no. 12, pp. 410-422.  


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