A. Lothe, A. Grøver, O. Roli, G. Leirdal, T. Kristiansen
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Uncertainty Modelling of Minimum Horizontal Stresses and Porepressures in Deeply Buried Grabens. What’s Next in Modelling?
Summary Three-dimensional pore pressure modelling over geological time scale has been carried out for a deeply buried possible reservoir in the Vana and Volve Sub-Basin, Viking Graben. The magnitude of the minimum horizontal stresses has been varied, and the input stress gradient has been calibrated with observed Leak-Off Tests. The simulation results show varying misfit to observed overpressures in different wells. The methodology can in future be used with a Monte-Carlo approach.
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