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Integrating basin modeling with seismic technology and rock physics
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|Authors:||Kawai, Wisam Al; Mukerji, Tapan|
|Author Affiliations:||Primary: |
Stanford University, Department of Geological and Environmental Sciences, Stanford, CA, United States
|Volume Title:||Geophysical Prospecting|
|Source:||Geophysical Prospecting, 64(6), p.1556-1574. Publisher: Blackwell on behalf of the European Association of Geoscientists & Engineers (EAGE), Houten, Netherlands. ISSN: 0016-8025|
|Note:||In English. 30 refs.; illus., incl. 1 table, sketch map|
|Summary:||We explore the link between basin modelling and seismic inversion by applying different rock physics models. This study uses the E-Dragon II data in the Gulf of Mexico. To investigate the impact of different rock physics models on the link between basin modelling and seismic inversion, we first model relationships between seismic velocities and both (1) porosity and (2) effective stress for well-log data using published rock physics models. Then, we build 1D basin models to predict seismic velocities derived from basin modelling with different rock physics models, in a comparison with average sonic velocities measured in the wells. Finally, we examine how basin modelling outputs can be used to aid seismic inversion by providing constraints for the background low-frequency model. For this, we run different scenarios of inverting near angle partial stack seismic data into elastic impedances to test the impact of the background model on the quality of the inversion results. The results of the study suggest that the link between basin modelling and seismic technology is a two-way interaction in terms of potential applications, and the key to refine it is establishing a rock physics models that properly describes changes in seismic signatures reflecting changes in rock properties. Abstract Copyright (2015), European Association of Geoscientists & Engineers.|
|Subjects:||Basin analysis; Basins; Data processing; Elastic waves; Geophysical methods; Geophysical surveys; Inverse problem; Models; Offshore; Oil and gas fields; Petroleum; Petroleum exploration; Physical properties; Prediction; Reservoir properties; Reservoir rocks; Seismic methods; Seismic waves; Surveys; Velocity; Atlantic Ocean; Gulf of Mexico; North Atlantic; Northern Gulf of Mexico; Ship Shoal Field; South Timbalier Field|
|Coordinates:||N280000 N300000 W0860000 W0950000|
|Copyright Information:||GeoRef, Copyright 2019 American Geosciences Institute. Reference includes data from John Wiley & Sons, Chichester, United Kingdom|
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