| Issue |
ESAIM: M2AN
Volume 39, Number 2, March-April 2005
|
|
|---|---|---|
| Page(s) | 349 - 376 | |
| DOI | https://doi.org/10.1051/m2an:2005015 | |
| Published online | 15 April 2005 | |
Mixed finite element approximation for a coupled petroleum reservoir model
1
Université de Pau, L.M.A. CNRS-FRE 2570, Avenue de
l'Université, 64000 Pau, France. mohamed.amara@univ-pau.fr;
daniela.capatina-papaghiuc@univ-pau.fr; bertrand.denel@univ-pau.fr
2
Total, CST Jean Feger, Avenue Larribau, 64018 Pau
Cedex, France. peppino.terpolilli@total.com
Received:
18
May
2004
In this paper, we are interested in the modelling and the finite element approximation of a petroleum reservoir, in axisymmetric form. The flow in the porous medium is governed by the Darcy-Forchheimer equation coupled with a rather exhaustive energy equation. The semi-discretized problem is put under a mixed variational formulation, whose approximation is achieved by means of conservative Raviart-Thomas elements for the fluxes and of piecewise constant elements for the pressure and the temperature. The discrete problem thus obtained is well-posed and a posteriori error estimates are also established. Numerical tests are presented validating the developed code.
Mathematics Subject Classification: 35Q35 / 65N15 / 65N30 / 76S05
Key words: Petroleum reservoir / thermometrics / porous medium / mixed finite elements / a posteriori estimators.
© EDP Sciences, SMAI, 2005
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