The Total Compressibility Condition and Resolution of Local Nonlinearities in an Implicit Black-Oil Model with Capillary Effects

Author: Peszyńska, Małgorzata

Source: Transport in Porous Media, Volume 63, Number 1, April 2006 , pp. 201-222(22)

Publisher: Springer

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Abstract:

An implicit black-oil model with capillary effects is studied. Various primary unknowns which include one of the phase pressures are considered, and qualitative and quantitative consequences of a choice are discussed. In particular, a total compressibility condition is defined and a local nonlinear problem is studied. A numerical method to solve the local problem is discussed.

Keywords: black-oil model; multiphase multicomponent flow; implicit formulation; total compressibility; capillary pressure; nonlinear local solver; primary unknowns

Document Type: Research article

DOI: http://dx.doi.org/10.1007/s11242-005-4427-x

Affiliations: 1: Email: mpesz@math.oregonstate.edu

Publication date: 2006-04-01