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Laboratory Studies of Geothermal Tracers at Supercritical ConditionsNormal access

Authors: J. Muller, O. Sissel, P. Hubred, O. Brandvoll and O. Haugen
Event name: 79th EAGE Conference and Exhibition 2017 - Workshops
Session: WS16 Geothermal Energy - Yes, but when for Europe at a significant scale?
Publication date: 12 June 2017
DOI: 10.3997/2214-4609.201701768
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 1007.32Kb )
Price: € 20

Laboratory studies have been performed at testing stability of perfluorinated cyclic hydrocarbon (PFC) gas tracers at supercritical conditions. Both static and dynamic tests have been performed at a specially constructed equipment which can tolerate such hard conditions (>374 °C, >218 bar). Static stability results indicate no rapid thermal degradation of the tested tracer candidates within the time frame of the performed stability test (2 months). However, the dynamic flooding experiments using crushed rock from the Krafla IDDP-1 field on Iceland indicate interactions between the rock material and the tracer candidates. This is an interesting result because PFC tracers have been detected in earlier studies in the Krafla field.

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