Mathematical modelling of Wairakei geothermal field

Malcolm A Grant


Mathematical modelling of Wairakei geothermal field is reviewed, both lumped-parameter and distributed-parameter models. In both cases it is found that reliable predictions require five to ten years of history for calibration. With such calibration distributed-parameter models are now used for field management. A prudent model of Wairakei, constructed without such historical data, would underestimate field capacity and provide only general projections of the type of changes in surface activity and subsidence.



geothermal, reservoir modelling, Wairakei, review


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ANZIAM Journal, ISSN 1446-8735, copyright Australian Mathematical Society.