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Looking at the "Skarfjell" reservoir in the Gulf of Corinth

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Olav A. Blaich:
In April 2013 a group of 10 Bayerngas employees travelled to Greece for a field trip that lasted for six days. The group explored the geology of the Gulf of Corinth with focus on tectonic evolution, fault geometries, facies development and geological heterogeneities (reservoir complexity).
The field trip was held by Einar Sverdrup (Exploration manager in Bayerngas Norge) who, after 20 years of experience leading geologists to this area, has extensive knowledge of the geology and knows all the corners of the Gulf of Corinth. The group consisted of people with different background and experience, providing a good basis for geological discussions related to general exploration as well as specific Bayerngas projects.

The field trip started in the mountainous area in the surroundings of Kalavrita. Here the group was exposed to large-scale fault blocks and the related continental to shallow-marine deposits. A good overview of the characteristics of an active rift basin with its structural and sedimentological heterogeneities was obtained in this area. The second part of the field trip was located in eastern part of the basin, near Loutraki. Here the group studied intermediate to deep marine sequences, dominated by fantastic exposures of fan deltas.


In 2007, Bayerngas was awarded a 20% partnership in the PL 418 (North Sea) where the successful Skarfjell well was later drilled. During the last few years, Bayerngas has been awarded several licenses in the vicinity of the Skarfjell discovery including two operated licenses (Pl 635 and PL 682). To continuously improve the understanding of the structural and depositional settings along these areas of interest has become a priority for Bayerngas. Limitations are often imposed by relatively low seismic resolution and large distance between exploration wells. These constraints can be partly overcome by studying reservoir analogues (outcrops), linking the field observations with exploration and reservoir challenges.


During this field trip the group was able to discuss and understand the relevance between the field observations in the Gulf of Corinth with exploration and reservoir modeling challenges in the North Sea. Furthermore, during these six days the group also found time to explore the culture and ancient history of this beautiful area.