Ojha, Maheswar ; Sain, Kalachand ; Minshull, Timothy A. (2010) Assessment of gas-hydrate saturations in the Makran accretionary prism using the offset dependence of seismic amplitudes Geophysics, 75 (2). C1-C6. ISSN 0016-8033
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Official URL: http://doi.org/10.1190/1.3315861
Related URL: http://dx.doi.org/10.1190/1.3315861
Abstract
We estimate the saturations of gas hydrate and free gas based on measurements of seismic-reflection amplitude variation with offset (AVO) for a bottom-simulating reflector coupled with rock-physics modeling. When we apply the approach to data from a seismic line in the Makran accretionary prism in the Arabian Sea, the results reveal lateral variations of gas-hydrate and free-gas saturations of 4–29% and 1–7.5%, respectively, depending on the rock-physics model used to relate seismic velocity to saturation. Our approach is simple and easy to implement.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Society of Exploration Geophysicists |
| ID Code: | 122537 |
| Deposited On: | 03 Aug 2021 07:40 |
| Last Modified: | 03 Aug 2021 07:40 |
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