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The Gardanne permit covers an area of 730 km2 and encompasses the coal basin and old workings of the L’Arc Basin, north east of Marseille. Historical coal production from the Basin is approximately 80 million tonnes of sub bituminous coal.
The coal-bearing sequence is up to 300 metres thick and contains up to 20 seams. The coal seams are Late Cretaceous in age. Available data has highlighted a considerable amount of methane within the coal mining complex. It is highly possible that the gaseous hydrocarbon present in the basin or at least a major part is being sourced from the underlying rocks. Mining records demonstrate that in some areas gas relief ahead of mining was undertaken successfully by drilling vertical holes from the surface.
In 2009, it is planned to drill at least one vertical appraisal well which if successful will be followed by at least two additional wells to form a pilot production pattern.
On behalf of European Gas, a reservoir study has been completed independently by consultants Deutsche Montan Technologie of Essen, Germany (DMT). The 3D modelling was made using PETREL 2007tm software.
Resources CBM
The following table summarises the Gas in Place resources for the Gardanne project.
Gas in Place Resources as at October 2007
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Billions of Cubic Metres * |
Billions of Cubic Feet * |
Petajoules |
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Bm3 |
Bcf |
PJ |
Gas in Place Resources |
2.8 |
99.1 |
105.1 |
The estimates were carried out by independent Deutsche Montan Technologie GmbH of Essen, Germany on behalf of European Gas. The 3D modeling was made using PETREL 2007tm software.
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