Characterization and Occurrence of Opal-Reflectors

A046 Characterization and Occurrence of Opal-Reflectors Summary 1 Opal-reflectors are observed worldwide in many sedimentary basins. They may be misinterpreted as direct hydrocarbon indicators or as bottom-simulating-reflectors related to gas hydrates. Currently correct interpretation of such reflectors is a challenge in seismic interpretation of petroleum prospects offshore Mid-Norway. A better understanding of opal-reflectors may improve risk assessment in areas where such reflectors occur. Furthermore an increased understanding of opal-reflectors may provide constraints on depositional environment tectonic models and temperature and maturity simulations. In this study we use well observations seismic interpretation and modelling to highlight opalreflectors to provide a better