Abstract

During the Eocene, a series of submarine fans developed in the Porcupine basin off the southwest coast of Ireland. Interactive interpretation of one—the Clontarf fan—shows the successive development of four sequences. Seismic facies analysis of these sequences suggests a progressive evolution from a more distal to proximal environment during deposition of the fan. Seismic facies mapping reveals an extensive series of sand‐prone distributary systems in the youngest fan sequence. Amplitude anomalies suggest that this and other fans in the basin are favorable stratigraphic and/or structural traps for hydrocarbons.

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