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Method for controlling instability of liquid saturation computations.

Authors
Eilerts-CK; Sumner-EF
Source
Soc Petrol Eng J 1970 Mar; 10(1):5-7
NIOSHTIC No.
10010112
Abstract
A method is described for controlling instability in finite difference computations of liquid saturation near the bore hole of a recovery well. Differences of pressure- and saturation-dependent variables are indexed offcenter, upstream and downstream alternately, to provide a stabilizing average. Employing this algorithm, it was found that size of the time step could be increased by a factor of 4 without loss of numerical stability.
CODEN
SPTJAJ
Publication Date
19700301
Document Type
OP; Journal Article
Fiscal Year
1970
NTIS Accession No.
NTIS Price
Identifying No.
OP 36-70
Issue of Publication
1
ISSN
0197-7520
Source Name
Society of Petroleum Engineers Journal
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