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The Acoustic Velocity of Artificial Heavy Oil Sands and Rock Physics ModellingNormal access

Authors: X. Han, H. Li, J. Nie, G. Shen, J. Jiang and J. Li
Event name: 81st EAGE Conference and Exhibition 2019
Session: Seismic Interpretation - Rock Physics I
Publication date: 03 June 2019
DOI: 10.3997/2214-4609.201900792
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 400.49Kb )
Price: € 20

The acoustic velocities under different temperature of the artificial heavy oil sands have been studied experimentally in this paper. The temperature sensitivity of the heavy oil sands has been studied and we find both P- and S-wave velocities decrease with the increasing temperature. Through modelling investigation, we can find that the change of the acoustic velocities with temperature in heavy oil sands is mainly due to the weakening of the cementation rather than the change of the elastic properties of heavy oil itself. The generalized CCT plus generalized Gassmann equations could be a good method to explain and predict the acoustic velocities of the heavy oil sands.

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