The Iceland Deep Drilling Project at Reykjanes: Drilling into the root zone of a black smoker analog
- Friðleifsson, Guðmundur Ó.
- Elders, Wilfred
- Zierenberg, Robert
- Fowler, Andrew P.G.
- Weisenberger, Tobias
- Mesfin, Kiflom
- Sigurðsson, Ómar
- Níelsson, Steinþór
- Einarsson, Gunnlaugur
- Óskarsson, Finnbogi
- Guðnason, Egill Á.
- Tulinius, Helga
- Hokstad, Ketil
- Gibert, Benoit
- Nono, Frank
- Loggia, Didier
- Parat, Fleurice
- Cichy, Sarah
- Escobedo, David
- Mainprice, David
DOIAbstract
International audienceThe aim of the Iceland Deep Drilling Project is to drill into supercritical geothermal systems and examine their economic potential. The exploratory well IDDP-2 was drilled in the Reykjanes geothermal field in SW Iceland, on the landward extension of the Mid-Atlantic Ridge. The Reykjanes geothermal field produces from a <300 °C reservoir at 1 to 2.5 km depth and is unusual because it is recharged by seawater. The well was cased to 3000 m depth, and then angled towards the main up-flow zone of the system, to a total slant depth of 4659 m (~4500 m vertical depth). Based on alteration mineral assemblages, joint inversion of wireline logging, and rate of heating measurements, the bottom hole temperature is estimated to be ...
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