Two-phase jet flows in porous media. (English. Russian original) Zbl 1364.76060
Fluid Dyn. 52, No. 1, 128-137 (2017); translation from Izv. Ross. Akad. Nauk, Mekh. Zhidk. Gaza 2017, No. 1, 130-139 (2017).
Summary: An analytical model describing the development of the filtration instability of the displacement front of fluids with different viscosities in a porous medium with account for capillary forces is proposed. A set of laboratory experiments on viscous fluid displacement from a porous medium is carried out. To describe the observable flows the model deals with the characteristic profile of the mean water saturation along the flow rather than with the curves of relative phase permeabilities of the fluids. The analytical model developed well describes the results of the laboratory modeling and the data of an actual oil field operation.
MSC:
| 76E17 | Interfacial stability and instability in hydrodynamic stability |
| 76S05 | Flows in porous media; filtration; seepage |
| 76D45 | Capillarity (surface tension) for incompressible viscous fluids |
| 76-05 | Experimental work for problems pertaining to fluid mechanics |
References:
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| [4] | Ryzhik, V. M.; Kislenko, B. E., Investigation of the Stability of the Water-Oil Interface Motion, 82 (1969) |
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