Towards the presence of regularities between the function of interfacial interaction and the filtration capacity properties

Tyumen State University Herald. Physical and Mathematical Modeling. Oil, Gas, Energy


Release:

2021. Vol. 7. № 1 (25)

Title: 
Towards the presence of regularities between the function of interfacial interaction and the filtration capacity properties


For citation: Stepanov S. V., Shabarov A. B. 2021. “Towards the presence of regularities between the function of interfacial interaction and the filtration capacity properties”. Tyumen State University Herald. Physical and Mathematical Modeling. Oil, Gas, Energy, vol. 7, no, 1 (25), pp. 92-111. DOI: 10.21684/2411-7978-2021-7-1-92-111

About the authors:

Sergey V. Stepanov, Dr. Sci. (Tech.), Professor, Department of Applied and Technical Physics, University of Tyumen; Senior Expert, Tyumen Petroleum Research Center; SVStepanov@tnnc.rosneft.ru

Aleksandr B. Shabarov, Dr. Sci. (Tech.), Professor, Department of Applied and Technical Physics, Institute of Physics and Technology, University of Tyumen; eLibrary AuthorID, ORCID, ResearcherID, ScopusID, kaf_mms@utmn.ru

Abstract:

This paper discusses the results of identifying possible regularities between the parameters describing the function of interfacial interaction and filtration capacity properties of rocks. The studies have employed real laboratory data, forming four clusters. The capillary pressure curve data and relative phase permeability data were obtained on the same core samples.

The authors describe the factors determining the interphase interaction during multiphase fluid flow in a porous medium. On this basis, a method for calculating discrete values of the interfacial interaction function based on the results of laboratory studies of relative phase permeability is proposed. For the approximation of the interfacial interaction function, the four-parametric formula following from derivative of Buckley — Leverett function at assignment of relative phase permeability functions by means of Corey functions is substantiated.

The authors suggest two variants of interphase interaction function formulation. They prove that for the first variant, there is a stable dependence only for one parameter, and for the second variant — with three parameters. Thus, one of the parameters in all cases has appeared close to one.

The results show that the error of the detected dependencies on the deviation of the parameters has a linear dependence, and for both variants of the interfacial interaction function, the ranking of the parameters is different according to their influence on the error. Using a test sample, the authors show that the dependencies obtained allow determining the parameters of the interphase interaction function with an acceptable error.

References:

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