1887

Abstract

Knowledge of static properties of reservoirs is a prerequisite to infer its economic value. Conventional reservoir modelling workflows intend to integrate surface seismic reflection data with well log petro-physical relations to generate multiple 3D scenarios of the geological properties. In this study, we used stochastic seismic inversion to improve the acoustic impedance resolution and to better infer its statistical distribution of the porosity of a strongly heterogeneous thighs oil reservoir. Stochastically inverted impedances are then used as secondary data to simulate the strong multi-modal distribution of the porosity. The results show that the complete stochastic approach of the porosity simulation of the tight oil reservoir permits to better represent extreme values and multi-modal behaviour of the porosity distribution. It also permits to improve the resolution of the spatial distribution of the porosity within the reservoir, so as to better infer its uncertainty.

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/content/papers/10.3997/2214-4609.20130521
2013-06-10
2021-10-27
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http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609.20130521
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