V.F. Grishkevich, M.D. Zavatckiy, A.I. Aristov
Physical modeling of oil migration within a granular hydrophilic reservoir
DOI 10.47148/0016-7894-2026-1-57-64
Key words: oil migration; granular hydrophilic reservoir; physical modeling.
For citation: Grishkevich V.F., Zavatckiy M.D., Aristov A.I. Physical modeling of oil migration within a granular hydrophilic reservoir. Geologiya nefti i gaza. 2026;(1):57–64. DOI: 10.47148/0016-7894-2026-1-57-64. In Russ.
The water-saturated glass granulate (1 mm) placed in a glass box 1000 × 1000 × 10 mm in size with a horizontal inclination of 30 degrees was used as a model of granular reservoir; the oil model was coloured kerosene supplied via a medical dropper at a flow rate of 0.2 ml/min. The progress of the experiments was recorded by photography. After reaching a critical size, the oil body began to rise beneath the reservoir roof and detached from its source; however, oil continued to flow into the rising body through a plume of residual oil saturation (10 to 25 mm in width), sustaining its motion. This phenomenon was termed microjet migration. The microjet remains confined to the reservoir roof because the fluid migrates through the most permeable connected clusters within the residual oil saturation plume, and because the capillary size at a flat hydrophilic wall is 1.5 times larger than that within an ideal hexagonal packing. Thus, secondary lateral oil migration in a granular reservoir occurs via two mechanisms: Archimedean buoyant rise of oil bodies and microjet migration. An additional series of experiments is required for a comprehensive investigation of the identified phenomenon (in layered heterogeneous formations without packing defects at the roof), as well as for the development of adequate physical and mathematical models scaled to real petroleum geological systems.
Vladimir F. Grishkevich Scopus
Doctor of Geological and Mineralogical Sciences,
Senior Researcher
Industrial university of Tyumen,
38, ul. Volodarskogo, Tyumen, 625000, Russia
e-mail: grishkevichvf@tyuiu.ru
SPIN: 1071-1439
AuthorID: 1134453
Mikhail D. Zavatskiy Scopus
Candidate of Geological and Mineralogical Sciences,
Associate Professor
Industrial university of Tyumen,
38, ul. Volodarskogo, Tyumen, 625000, Russia
e-mail: zavatskijmd@tyuiu.ru
SPIN: 8682-9818
AuthorID: 715537
Artem I. Aristov Scopus
Graduate student
Industrial university of Tyumen,
38, ul. Volodarskogo, Tyumen, 625000, Russia
e-mail: aristovai@tyuiu.ru
SPIN: 7556-7102
AuthorID: 1090739
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