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Integrated Data for Geological and Reservoir Models

Convenors: R. Villegas (University of Manchester)
  M. Paydayesh (Schlumberger - Geosolutions)
Room: Lehar 4
Date: Tuesday 31 May 
Time: 08:30-12:10


This dedicated session aims at collecting a number of case studies showing how integration of any time dependent data (including 4D seismic) has had an impact on the definition of the geological model.

Integration of different disciplines is the key for better definition of the geological model and improvement of the reservoir model. In the past the geological model has been the result of integrating  geological information (mostly observation at well + geological interpretation) and geophysical data (interpretation of horizons for the structure and seismic inversion results for the infill) using various geostatistical techniques (two-point geostatistics in the past and nowadays multi-point geostatistics). This model was then delivered to reservoir engineers who modified it during the history matching process according to dynamic data, often without cross validation of the geological and geophysical information.
In recent years 4D seismic has brought a new paradigm to reservoir engineers who have obtained, for the first time, detailed dynamic information with a very high special coverage that they could/should take into account. This information results from the interaction of geology, geophysics and production data and cannot be ignored in the construction of the model representing the reservoir. It is therefore mandatory to integrate dynamic data when available into the building of a geological model.

The integration of new data and techniques (such as 4D seismic, Electromagnetic methods, geomechanics, etc) is not an easy task (e.g. due to expertise and scale issues) and this dedicated session will focus on new practices that have been used to integrate geological, geophysical and production data in a consistent manner to build or to update a geological model. Theoretical issues as well as case histories would be considered and success cases as well as (relative) failure cases would provide valuable information to the Geosciences and Reservoir Engineering communities.

Several successful examples have already been published in a similar dedicated session during the last EAGE annual meeting. This year we would like to emphasize how conflicting information provided by the different disciplines can be reconciled and how remaining uncertainties can be quantified and handled. This session should provide hints to answer the question: are multiple realizations of the geological model the way to move forward?

*Please find the programme of this session here.