Title:

The Significance of Early Time Data in Interference Testing for Linear Boundary Detection

Authors:

Abraham Sageev, Jonathan D. Leaver, Henry J. Ramey, Jr.

Geo Location:

Ohaaki, New Zealand; Taupo Volcanic Zone

Conference:

Stanford Geothermal Workshop

Year:

1986

Session:

Well Testing

Language:

English

File Size:

556KB

View File:

Abstract:

This paper considers the significance of early time data for detecting linear boundaries using interference testing. When the ratio rz/r1 is greater than 5, existing
methods of analysis may be used. For ratios of rz/rl smaller than 5, special considerations are needed. When the ratio of rz/rl is smaller than 2, there is no significant indication of the presence of a linear boundary in the pressure
response. The effects of missing pressure data during the early time flow period, and earth tides on the linear boundary analysis are described and demonstrated with a flow test in the Ohaaki geothermal field in New Zealand.


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