After the first use of the Geo-CoolerTM in 1977, Elwood’s mud coolers were used throughout the rest of the 70’s and 80’s for geothermal projects in California. The…
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Reaching TD: An Early Technological Push
The Geysers, California – a geothermal well was being drilled and was unexpectedly hot in the upper sections. At the surface, drilling fluid was flashing and posing a…
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