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Constraining Reservoir Quality PredictionsNormal access

Authors: B. Moyano, E. H. Jensen and T. A. Johansen
Event name: 74th EAGE Conference and Exhibition incorporating EUROPEC 2012
Session: Rock Physics - Lab Rocks Properties
Publication date: 04 June 2012
DOI: 10.3997/2214-4609.20148294
Organisations: SPE, EAGE
Language: English
Info: Extended abstract, PDF ( 1.08Mb )
Price: € 20

Summary:
An inverse rock-physics modelling strategy was used to provide estimates of reservoir parameters. Reservoir predictions made irrespectively of their spatial location, can have dissimilar ranges of variability. For instance, estimations of reservoir quality independently of their depths produced wide ranges of solutions, e.g. for lithology and saturation. Also a rock-physics calibration and model selection procedure using clay-rich siliciclastic data showed sets with wide ranges of solutions. Interdependency of parameters as porosity, lithology and saturation is expected and it can be used to constrain the model predictions, reducing the range of solutions and the uncertainty of the estimations. In this study, we use spatial correlation and observations which we have a higher level of confidence in to constrain predictions of the reservoir properties.


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