Combined Rock-physical Modelling and Seismic Inversion Techniques for Characterisation of the Posidonia Shale Formation

The objective of this study is to characterise the Jurassic Posidonia Shale Formation at Block Q16 located in the West Netherlands Basin. The characterisation was carried out through combining rock-physics modelling and seismic inversion techniques. The results show that the Posidonia Shale Formation can be followed easily laterally from the output rock property volumes, in particularly the acoustic impedance volume. This is an advantage when horizontal drilling needs to be performed. A brittleness index map was built from the Poisson’s ratio and Young’s modulus properties. A more brittle area was observed in the South of the mapped Posidonia Shale, which implicates that this area is easier to be fractured.Geoscience & EngineeringCivil Engineering and Geoscience