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@HuihuiYangshell, yes this situation can occur if your wellbore heat loses are initially significant but then decrease over time while your reservoir output temperature stays constant or only slightly declines.

The higher electricity output is a direct result of the higher production temperature. The production temperature is calculated as reservoir output - wellbore temperature decline. The reservoir temperature in this example is calculated with the Gringarten model for an EGS type reservoir and it looks like you have a very large heat transfer area resulting is negligible reservoir temperature decline. On the other hand, your wellbore loses are calculated with Ramey's model estimating …

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