Fingering instability in water-oil displacement

Following the classical Buckley–Leverett theory for the two-phase immiscible flows in porous media a non-linear evolution equation for the water-oil displacement front is formulated and studied numerically. The numerical simulations yield a physically plausible picture of the fingering instability k...

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Veröffentlicht in:	Transport in porous media 2006-06, Vol.63 (3), p.363-380
Hauptverfasser:	BRAILOVSKY, I, BABCHIN, A, FRANKEL, M, SIVASHINSKY, G
Format:	Artikel
Sprache:	eng
Schlagworte:	Computer simulation Control stability Earth sciences Earth, ocean, space Engineering and environment geology. Geothermics Exact sciences and technology Hydrocarbons Hydrogeology Hydrology. Hydrogeology Linear evolution equations Nonlinear evolution equations Pollution, environment geology Porous media Sedimentary rocks Two phase flow
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Beschreibung
Zusammenfassung:	Following the classical Buckley–Leverett theory for the two-phase immiscible flows in porous media a non-linear evolution equation for the water-oil displacement front is formulated and studied numerically. The numerical simulations yield a physically plausible picture of the fingering instability known to develop in water-oil systems. A way to control the unrestricted growth of fingers is discussed. Distinctions and similarities with dynamically related Saffman–Taylor and Darrieus–Landau problems are outlined.
ISSN:	0169-3913 1573-1634
DOI:	10.1007/s11242-005-8430-z