PRELIMINARY GEOLOGICAL RESULTS OF RECENT EXPLORATORY DRILLINGS IN A GEOTHERMAL FRACTURED RESERVOIR AT LAMENTIN (FRENCH WEST INDIES, MARTINIQUE

Genter A., Traineau H., Degouy M. Correia H., Mas A. Patrier P. , Roig J.Y., Sanjuan B.

Key words: Lamentin, Martinique
Location: Martinique
Conference: Stanford Geothermal Workshop
Year: 2002
Session: Geology
Language: English

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Abstract

A new geothermal exploration survey has been conducted in 2001 within the Lamentin Plain near Fort de France (Martinique, French West Indies. Three vertical wells, which were drilled to 1-km depth, penetrated volcanic and volcano-clastic formations. An exhaustive geological study was carried out on core in order to identify the fracture network in the basement. During the drilling operations, temperature data were also acquired on site. The compilation of the geological and geothermal data collected within these 3 new deep exploration wells shows the superimposition of several hydrothermal events that could explained the present-day geothermal system of the Lamentin in Martinique.

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