Numerical Well Test Analysis of Fractured Porous Reservoirs with Consideration of Stress-Sensitivity Effect

A computational algorithm is proposed for determining the acceptable range of bottom-hole pressure based on a composite indicator diagram constructed from well test data analysis in a deformable fractured porous oil reservoir. The behavior of the curves of drawdown and buildup pressure and their der...

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Bibliographic Details
Published inLobachevskii journal of mathematics Vol. 42; no. 9; pp. 2077 - 2081
Main Authors Abdullin, A. I., Shamsiev, M. N., Khairullin, M. Kh
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.09.2021
Springer Nature B.V
Subjects
Algebra
Algorithms
Analysis
Data analysis
Formability
Geometry
Indicator diagrams
Mathematical Logic and Foundations
Mathematics
Mathematics and Statistics
Probability Theory and Stochastic Processes
Reservoirs
inverse problem
well testing
pressure dependent permeability
bottomhole pressure
stress sensitive fractured porous reservoir
nonlinear filtration
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Summary:A computational algorithm is proposed for determining the acceptable range of bottom-hole pressure based on a composite indicator diagram constructed from well test data analysis in a deformable fractured porous oil reservoir. The behavior of the curves of drawdown and buildup pressure and their derivatives are analyzed in the case of a nonlinear elastic filtration regime in a fractured porous formation. A composite indicator diagram for determining the optimal bottom-hole pressure is constructed on the basis of the pressure buildup test interpretation and the Vogel’s method.
ISSN:1995-0802
1818-9962
DOI:10.1134/S199508022109002X