Title:

Use of Derivatives for Detecting Impermeable Boundaries in the Analysis of Transient Pressure Tests

Authors:

F. Ascencio, R. Molinar

Conference:

Stanford Geothermal Workshop

Year:

1988

Session:

Well Testing

Language:

English

File Size:

261KB

View File:

Abstract:

The goal of this paper i s to show a numerical method for evaluate distance a t an imoemeable barrier, usinq buildup and dradown pressure t e s t analysis. This technical needs of derivates evaluation i n transition zone defined between two classics semilog straiqht l i n e s with slopes "m" and "219" that are present in these systems. Complementary to shis study the authors ProDose type curves for application i n a1 ternatives analysis. An illustrative example i s showed using the proposed method.


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