Grid orientation during steam displacement
Conference
·
· Soc. Pet. Eng. AIME, Pap.; (United States)
OSTI ID:6471864
Three approaches to reduce the effect of grid orientation are investigated in this paper: (1) use of a nine-point finite-difference operator, (2) use of the two-point upstream mobility, and (3) use of harmonic total mobility average for calculation of flow across a boundary. A compositonal, three-phase, two-dimensional steam model was developed to investigate the grid orientation problem during steam displacement. A realistic steam displacement problem for a highly viscous oil reservoir was selected for detailed study. It is shown that the nine-point scheme alleviates the effect of grid orientation, while the two-point upstream mobility and the harmonic total mobility approaches aggravate the problem. It is also shown that use of the two-point upstream mobility is not appropriate for thermal process simulation. 19 refs.
- Research Organization:
- Univ of Calgary, Alberta, Can
- OSTI ID:
- 6471864
- Report Number(s):
- CONF-820242-
- Conference Information:
- Journal Name: Soc. Pet. Eng. AIME, Pap.; (United States) Journal Volume: SPE 10497
- Country of Publication:
- United States
- Language:
- English
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