Authors: Hegeman, P.S.; Hallford, D.L.; Joseph, J.A.
Publication Date: 1993-09-01
OSTI Identifier: 5940475
Resource Type: Journal Article
Journal Name: SPE Formation Evaluation (Society of Petroleum Engineers); (United States)
Journal Volume: 8:3;
Journal ID: ISSN 0885-923X
Country of Publication: United States
This paper presents a model for analysis of changing wellbore storage during well testing. Our model is based on a modification and extension of a model for wellbore phase redistribution. The result is a general solution in Laplace space that can be used to add changing storage to a variety of well reservoir models. Increasing and decreasing storage cases can be accounted for analytically. We present several field examples to show the application to well tests with changing wellbore storage.
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