2005 Strategic Environmental Assessment SEA6 Irish gas data review

The report was compiled by: Petroleum Affairs Division, Dublin; Coastal and Marine Resources Centre, University College Cork; Department of Geology, University College Cork as part of the UK Department of Energy and Climate Change's Offshore Energy Strategic Environmental Assessment programme. Over the last 40 years the IRL-SEA6 area has been surveyed with a range of remote sensing and ground-truthing techniques providing information at various scales of resolution. The main driving factors for these investigations were exploration for hydrocarbons in the Kish Bank and the Central Irish Sea basins, as well as cable and pipeline route surveys. The existing data includes the following: seismic data including conventional seismic and high-resolution seismic (e.g. Sparker, Boomer, GeoChirp, etc.); echosounder; side-scan sonar and multibeam coverage over certain areas; video and photographic imagery of selected parts of the seabed, located based on remotely sensed data; and seabed samples collected with various techniques (e.g. Gravity cores, dredge samples etc.). This report is mainly based on the data that was made available for this study by the Petroleum Affairs Division (PAD) of the Department of Communications, Marine and Natural Resources, Ireland. This data can broadly be subdivided into four groups: Conventional seismic data (2D and 3D) collected during the period 1965-2004; Exploration wells drilled over the period 1977-2004; Route survey data obtained during 1986-2004; Multidisciplinary data collected during short annual research cruises by Peter Croker of the PAD during the period 1995-2002.

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