Seismic inversion is a key component of the quantitative seismic interpretation workflows for hydrocarbons exploration and production. In exploration with limited well control, seismic inversion for acoustic impedance helps to understand the spatial variations and identify potential “pay zones.” When more wells are available, a more robust and sophisticated methodology is to perform a prestack inversion, thus obtaining acoustic and shear impedances as well as density to understand subtle variation in rock properties at the reservoir scale. The conventional seismic inversion results strongly depend upon the quality of seismic data, seismic velocity, and seismic illumination factors that are always problematic...

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