Two Short-Time Buildup Test Analyses for Shell's Geysers Well D-6, A Year Apart
- Location
- The Geysers, California
- Conference
- Stanford Geothermal Workshop
- Year
- 1979
- Session
- Pressure Transient Analysis
- Language
- English
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Abstract
Pressure transient tests of Shell's geothermal Glell D-6 were conducted in the Summer of 1978 and again in early Summer of 1979. On both occasions a pressure buildup test followed a short drawdown period. Analysis of the pressure data resulted in the calculation of the permeability- thickness product, the skin effect and the initial reservoir pressure. This paper presents the analysis that led to the calculation of these reservoir parameters. There is reasonable agreement between the two tests while observed changes were in the expected direction. The reduced data revealed a well that is within the norms of the Geysers area.
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