ABSTRACT

The objective of this study is to demonstrate the risk reduction in exploration for potential unconsolidated gas reservoirs in the Gulf of Mexico shelf that can be achieved using advanced seismic analysis techniques. In particular, the use of spectral decomposition to detect low frequency shadows associated with hydrocarbons in the frequency domain and acoustic inversion techniques to evaluate petrophysical properties such as porosity are taken into account. The study area is South Marsh Island, offshore of Louisiana, and the dataset utilized includes many well logs and a 3D seismic cube.

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