DMT conduct 3D seismic survey at edge of French Pyrenees
In a predominantly agricultural region, in south west France, Essen based DMT GmbH & Co. KG is currently performing a 3D seismic survey on behalf of the Canadian oil and gas producer, Vermilion Energy Inc.
The survey is being carried out in the department of ‘Pyrénées-Atlantique’ (concession of Vic-Bilh), which lies north of the town of Pau and is heavily influenced by agricultural activities. Vermilion Energy Inc., which has been active in France since 1997, is now looking to optimize conventional oil production from the existing Vic Bilh oil field.
Due to the complicated nature of the rock strata, previous projects carried out in 1977 and 1984 failed to deliver sufficient information about the structure and formation of the subsoil and subsequently the potential yield.
Surveying will now cover a total area of 92km2 at ground level. The project is due to commence in mid July and will last two months.
Exploration is being performed using the vibroseis method, in which soundwaves produced by vibrators, in this case AHV 4, are sent into the subsoil and the reflected waves are recorded by geophones at the surface. Underground geological structures can then be determined based on the time delay of ‘echoes’ produced.
According to Rüdiger Misiek, who is heading the project on DMT’s side, it is inevitable that this kind of geological exploration will cause some interference for local residents and the environments, however highly experienced specialists and the latest technology will ensure that this is kept to a minimum.
Adapted from press release by Emma McAleavey.
Read the article online at: https://www.oilfieldtechnology.com/exploration/10072013/3d_seismic_exploration_french_pyrenees070/
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