The recent unconventional exploration in North America has shown that the viable liquid-rich zone of most source rock plays is a narrow band. Accurate 3D basin modeling studies can be used to predict these in onshore basins with complex burial histories. This requires a rigorous quality checking of multiple thermal maturity indicators and the erosion estimates. The thermal maturity predictions and calibration to kerogen kinetics can be improved by integrating historic production data (API and GOR) and correcting erroneous thermal maturity measurements. This 3D basin modeling approach is shown on an example from the Permian Basin, USA.


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