Determination of the transition curve between flow modes during filtering an acid through a chemically active porous medium.

Authors

  • Rinat A. Plavnik Oil and gas centre of the Moscow Institute of Physics and Technology, 3, Dolgoprudnenskoe shosse, Moscow, 127204, Russian Federation
  • Ivan N. Zavialov Oil and gas centre of the Moscow Institute of Physics and Technology, 3, Dolgoprudnenskoe shosse, Moscow, 127204, Russian Federation
  • Andrey V. Konyukhov Joint Institute of High Temperatures of the Russian Academy of Sciences, 13, ul. Izhorskaya, Moscow, 125412, Russian Federation
  • Denis S. Vetoshkin Oil and gas centre of the Moscow Institute of Physics and Technology, 3, Dolgoprudnenskoe shosse, Moscow, 127204, Russian Federation

DOI:

https://doi.org/10.21638/spbu01.2021.214

Abstract

It is known that during the filtration flow, if the displacing liquid can chemically react with the skeleton while emitting a gas phase, then this flow mode may be unstable. During the filtration process, pressure fluctuations will be observed, and the displacing fluid will move in waves called “acid waves”. Our research suggests a simple theoretical model that gives a qualitative explanation of the causes of this phenomenon. We conducted laboratory simulations and detected the boundary of the appearance of “acid waves”, depending on the concentration of the chemically active component. At the same time the theoretical model can also predict the appearance of “acid waves” in the laboratory experiment, which will allow scaling the studied phenomenon in the future.

Keywords:

self-oscillating mode, acid treatment of an oil reservoir, porous medium

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References

Литература

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12. Zavialov I.N., Konyukhov A.V., Plavnik R.A., Plyashkov E.V. Laboratory study of oscillatory multiphase flow in porous medium with chemically active skeleton. Physica Scripta 94 (4), 044005 (2019). https://dx.doi.org/10.1088/1402-4896/aafd5e

13. Konyukhov A.V., Zavialov I.N. Numerical investigation of oscillatory multiphase flow in porous medium with chemically active skeleton. Journal of Physics: Conference Series. IOP Publishing 774 (1), 012059 (2016).

14. Zavialov I., Varov A., Salikhov R., Antsiferov E., Konyukhov A. Laboratory modeling of flow with gas-producing reaction in porous media. Journal of Porous Media 21 (10), 887–893 (2018). https://doi.org/10.1615/JPorMedia.2018018942

15. De Oliveira T. J. L., De Melo A.R., Oliveira J.A.A., Pereira A.Z. Numerical Simulation of the Acidizing Process and PVBT Extraction Methodology Including Porosity/Permeability and Mineralogy Heterogeneity. SPE International Symposium and Exhibition on Formation Damage Control (2012).

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Published

2021-07-21

How to Cite

Plavnik, R. A., Zavialov, I. N., Konyukhov, A. V., & Vetoshkin, D. S. (2021). Determination of the transition curve between flow modes during filtering an acid through a chemically active porous medium. Vestnik of Saint Petersburg University. Mathematics. Mechanics. Astronomy, 8(2), 349–358. https://doi.org/10.21638/spbu01.2021.214

Issue

Vol. 8 No. 2 (2021)

Section

Mechanics

License

Articles of "Vestnik of Saint Petersburg University. Mathematics. Mechanics. Astronomy" are open access distributed under the terms of the License Agreement with Saint Petersburg State University, which permits to the authors unrestricted distribution and self-archiving free of charge.