The Significance of Early Time Data in Interference Testing for Linear Boundary Detection
- Location
- Ohaaki, New Zealand; Taupo Volcanic Zone
- Conference
- Stanford Geothermal Workshop
- Year
- 1986
- Session
- Well Testing
- Language
- English
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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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