GEOTHERMAL DRILLING ACTIVITY IN THE AKROPOTAMOS AREA (MACEDONIA, NORTHERN GREECE)

 
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GEOTHERMAL DRILLING ACTIVITY IN THE AKROPOTAMOS AREA (MACEDONIA, NORTHERN GREECE) (EN)

Arvanitis, A.
Karydakis, G.
Koutsinos, S.
Kolios, N.

The Akropotamos area constitutes a new geothermal field located in the eastern coastal zone of the Strymonikos Gulf in Macedonia (Northern Greece). After a detailed and systematic reconnaissance study including water temperature measurements at the heads of the existing irrigation and water supply wells, 6 new geothermal wells were constructed. This geothermal drilling program was performed by the Institute of Geology and Mineral Exploration during October 2003 - February 2006. Temperature and fluid conductivity logs were carried out into these boreholes during their drilling and after their completion. Well AKR-1 has a depth of 275 m and produces thermal waters at a temperature of 83o C with artesian flow rate 150 m3 /h and large amounts of dissolved CO2. Well AKR- 2 of 410 m yields 25 m3 /h of waters at 46o C. Well AKR-3 was drilled down to 515 m and the temperature of 88.9o C was measured at 498 m. This well yields about 200 m3 /h CO2-rich geothermal fluids at a temperature of 90o C with artesian flow. Next to this borehole, well AKR-4 was drilled at 180 m penetrating a shallow aquifer with waters reaching 49.7o C. During pumping test with constant flow rate, this well yielded 40 m3 /h water of 48o C. Well AKR-5, 422 deep, was drilled in the western part of the study area close to the Strymon river’s mouth. The temperature of 27.8o C was recorded at 280 m into this borehole. The last well AKR-6 was drilled down to 545 m in the eastern part of the field. The temperature of 38o C was recorded at depth of 503 m. Pumping tests were performed in wells AKR-2 and AKR-4. This geothermal drilling project has resulted in the official characterization of the Akropotamos - Kavala area as a “proven low enthalpy geothermal field”. (EN)

info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
pe (EL)
Peer-reviewed Article (EN)

geothermal field (EN)
Strymonikos Gulf (EN)
CO2 (EN)
geothermal wells (EN)
Macedonia (EN)
Akropotamos (EN)
Kavala (EN)

Ελληνική Γεωλογική Εταιρεία (EL)
Geological Society of Greece (EN)

Δελτίο της Ελληνικής Γεωλογικής Εταιρίας

2010-01-01


Geological Society of Greece (EN)

0438-9557
2529-1718
Δελτίο της Ελληνικής Γεωλογικής Εταιρείας; Vol 43, No 5 (2010): 12th International Conference of the G.S.G.; 2246-2256 (EL)
Bulletin of the Geological Society of Greece; Vol 43, No 5 (2010): 12th International Conference of the G.S.G.; 2246-2256 (EN)

Copyright (c) 2017 N. Kolios, A. Arvanitis, G. Karydakis, S. Koutsinos (EN)



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