Geostatistical history matching - A zonation-based approach using direct sequential simulation

E. Barrela, Leonardo Azevedo, Vasily Demyanov

Research output: Contribution to conferencePaper

Abstract

Simultaneous integration of production data under geological consistency, as part of the reservoir modelling workflow, still remains a challenge. A geologically consistent approach aims to avoid solutions that are unrealistic under the reservoir's general geological characteristics. Unrealistic history matching solutions would result in poor reservoir response forecasting. It is also essential to include only geologically realistic models for uncertainty assessment based on multiple models that are consistent with the geological data and also in order to match observed production history. Geostatistical history matching can iteratively update static reservoir model properties through conditional assimilation constrained to the production data, using geologically consistent perturbation. Multiple stochastic realizations are assimilated following a zonation approach to account for the local match quality, thus providing a way to integrate a regionalized discretization of parameters with production data and engineering knowledge. The present project proposes a new history matching technique applied in uncertain reservoir conditions, represented by geologically consistent reservoir zonation, based on fault presence and dynamic consistent patterning, by considering fluid production streamlines as auxiliary criteria for the zonation. The proposed methodology is tested in a semi-synthetic case study based on a braided-river depositional environment.

Conference

Conference79th EAGE Conference and Exhibition 2017
CountryFrance
CityParis
Period12/06/1715/06/17
Internet address

Fingerprint

zonation
histories
history
simulation
Knowledge engineering
braided river
assimilation
forecasting
depositional environment
rivers
Rivers
perturbation
engineering
Fluids
methodology
fluid
fluids
modeling

Cite this

Barrela, E., Azevedo, L., & Demyanov, V. (2017). Geostatistical history matching - A zonation-based approach using direct sequential simulation. Paper presented at 79th EAGE Conference and Exhibition 2017 , Paris, France.DOI: 10.3997/2214-4609.201700970
Barrela, E. ; Azevedo, Leonardo ; Demyanov, Vasily. / Geostatistical history matching - A zonation-based approach using direct sequential simulation. Paper presented at 79th EAGE Conference and Exhibition 2017 , Paris, France.
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Barrela, E, Azevedo, L & Demyanov, V 2017, 'Geostatistical history matching - A zonation-based approach using direct sequential simulation' Paper presented at 79th EAGE Conference and Exhibition 2017 , Paris, France, 12/06/17 - 15/06/17, . DOI: 10.3997/2214-4609.201700970

Geostatistical history matching - A zonation-based approach using direct sequential simulation. / Barrela, E.; Azevedo, Leonardo; Demyanov, Vasily.

2017. Paper presented at 79th EAGE Conference and Exhibition 2017 , Paris, France.

Research output: Contribution to conferencePaper

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AU - Demyanov,Vasily

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Barrela E, Azevedo L, Demyanov V. Geostatistical history matching - A zonation-based approach using direct sequential simulation. 2017. Paper presented at 79th EAGE Conference and Exhibition 2017 , Paris, France. Available from, DOI: 10.3997/2214-4609.201700970