Development and application of dynamic and static local grid refinement algorithms for water coning studies

J. Manik, T. Ertekin

Research output: Contribution to conferencePaperpeer-review

11 Scopus citations

Abstract

In this study, a three-dimensional, three-phase black oil simulator which incorporates static and dynamic local grid refinement procedures to study the water coning problems is developed. Both vertical and horizontal well cases are studied. If water coning is considered to be a well rather than a gross reservoir phenomenon with significant implications at the well, then the local grid refinement procedure is applied only in the wellbore domain. In this study, however, implementation of the local grid refinement is not restricted only to the near wellbore domain as it is also constructed along the water-oil interface throughout the reservoir. Furthermore, since this cone-shaped water-oil interface is not stationary, the effectiveness of the dynamic local grid refinement is examined. A blanket sand reservoir and an anticline reservoir which are coupled with strong aquifers are considered. In the case of a blanket sand reservoir, implementation of a static local grid refinement around the immediate vicinity of a wellbore is found to be sufficiently accurate. However, implementation of the static local grid refinement only at the wellbore domain in an anticline reservoir-aquifer system is shown to be inadequate. The dynamic local grid refinement model gives accurate results in both types of structures.

Original languageEnglish (US)
Pages153-160
Number of pages8
DOIs
StatePublished - 1997
EventProceedings of the 1997 SPE Eastern Regional Meeting - Lexington, KY, USA
Duration: Oct 22 1997Oct 24 1997

Other

OtherProceedings of the 1997 SPE Eastern Regional Meeting
CityLexington, KY, USA
Period10/22/9710/24/97

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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