RockMod performs multiple stack (AVO/AVA) geostatistical reservoir characterization to produce multiple highly detailed models through tightly integrating disparate data across all pertinent geoscience domains. The outcome is accurate reservoir models in depth for prediction of field reserves, fluid flow patterns, and future production. Another value it provides is a reliable basis for quantitative measure of uncertainty. RockMod is relevant where dual or triple parameters like P-Impedance, S-Impedance and Density are needed to distinguish the facies of interest.
RockMod inverts directly for engineering properties (Volume of Clay, Porosity and Water Saturation) through joint inversion of facies, engineering and elastic properties incorporating rock physics models and associated uncertainties. The highly detailed, multiple and plausible realizations are constrained by seismic, geology, and honor the well data. The ranked and selected realizations are transferred into corner point grids (CPGs) for static and dynamic modeling. RockMod can also be used to invert time lapse (4D), PP-PS and azimuthal seismic data.
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