History-matching using time-lapse seismic data (HUTS)

Informazioni relative al progetto

HUTS

ID dell’accordo di sovvenzione: ENK6-CT-2000-00061

Progetto chiuso

Data di avvio 1 Dicembre 2000

Data di completamento 31 Agosto 2002

Finanziato da

• Programme for research, technological development and demonstration on "Energy, environment and sustainable development, 1998-2002"

Costo totale

€ 1 798 460,00

Contributo UE

€ 899 231,00

Coordinato da

GROUPEMENT EUROPÉEN DE RECHERCHES TECHNOLOGIQUES SUR LES HYDROCARBURES
France

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Risultati finali

Modification of existing commercial reservoir simulation and computer-aided history-matching software to incorporate seismic derived data

Methods have been developed in the following areas: - Incorporation of seismic-derived data in the history-matching process - A general petro-elastic model, valid for each reservoir under study - A method to estimate the covariance of seismic-derived data and include this in the optimisation. These have been implemented in commercial software code. This should result in fewer studies where the history-matching changes to the reservoir simulation model are found to be unacceptable to the geophysicist. It should also result in a reservoir simulation model that has better predictive capabilities. The functionality has added to the commercial software in two parts: - The reservoir simulator was extended to calculate seismic-derived properties, such as acoustic impedance, (and their gradients with respect to history-matching parameters) on the simulation grid-cells. This information allows comparison of the simulation model performance with the actual seismic data for the reservoir. - The computer aided history-matching tool has been extended to incorporate these new properties in a history-matching objective function so that it is used at the same time as the production data in the history-matching process. The methods and software have been tested on real field cases from the North Sea and the Adriatic Sea.

Risultati sfruttabili

Commercial seismic-derived history matching software

This result modifies an existing commercial reservoir simulator (ECLIPSE 100) to produce petro-elastic output. It also modifies an existing commercial history-matching tool (SimOpt) to use seismic-derived data alongside conventional production data in the history-matching process.