High resolution characterization of reservoir heterogeneity with cross-well seismic data

Bonnell, Bradley J. (2006) High resolution characterization of reservoir heterogeneity with cross-well seismic data. Masters thesis, Memorial University of Newfoundland.

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    Available under License - The author retains copyright ownership and moral rights in this thesis. Neither the thesis nor substantial extracts from it may be printed or otherwise reproduced without the author's permission.
    (Original Version)

Abstract

Traditionally, reservoir characterization is limited to the inadequate frequency content of surface seismic data and the poor spatial sampling of borehole data for detecting metre-scale heterogeneities affecting fluid flow. Cross-well seismic data can provide the spatial and temporal resolution necessary for imaging these reservoir features. Three synthetic cross-well seismic datasets are created using velocity models that simulate lithologic detail and reservoir heterogeneities at the metre-scale. The first model is derived from an outcrop study of a deltaic depositional environment, and the second and third models are developed from offshore well log data. Statistical analysis of the lateral spatial properties of the high resolution seismic depth images produced from the models provides estimates of the lateral correlation length and the fractal dimension. The results display a unique distribution of spatial properties for each model, indicating that different types of reservoir heterogeneity result in distinctive statistics that are captured by the seismic data. These estimates can be used to provide high resolution constraints on reservoir heterogeneity that can be built into reservoir simulations.

Item Type: Thesis (Masters)
URI: http://research.library.mun.ca/id/eprint/6664
Item ID: 6664
Additional Information: Bibliography: leaves 95-97.
Department(s): Science, Faculty of > Earth Sciences
Date: 2006
Date Type: Submission
Library of Congress Subject Heading: Oil reservoir engineering--Simulation methods; Imaging systems in seismology

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