Characterization of Thin Gas Hydrate Reservoir in Ulleung Basin with Stepwise Seismic Inversion
Abstract
:1. Introduction
2. Geological Setting
3. Data
4. Workflow and Results
4.1. Stepwise Seismic Inversion for High-Resolution Impedance Volume
4.2. High-Resolution GH Saturation of 3D Seismic Data
5. Discussion
6. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
Abbreviations
GH | Gas hydrate |
BSR | Bottom-simulating reflector |
UBGH1 | First Ulleung Basin Gas Hydrate Drilling Expedition |
UBGH2 | Second Ulleung Basin Gas Hydrate Drilling Expedition |
LWD | Logging while drilling |
C3DS | Conventional 3D seismic data |
H3DS | High-resolution 3D seismic data |
ρb | Bulk density (g/cm3) |
ρw | Water density (g/cm3) |
ρg | Grain density (g/cm3) |
ϕf | Water-saturated porosity |
ϕ | Porosity |
Sh | Gas hydrate saturation |
Sw | Water saturation |
Ia | Acoustic impedance (g/cc) × (m/s) |
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Yi, B.-Y.; Yoon, Y.-H.; Kim, Y.-J.; Kim, G.-Y.; Joo, Y.-H.; Kang, N.-K.; Kim, J.-K.; Chun, J.-H.; Yoo, D.-G. Characterization of Thin Gas Hydrate Reservoir in Ulleung Basin with Stepwise Seismic Inversion. Energies 2021, 14, 4077. https://doi.org/10.3390/en14144077
Yi B-Y, Yoon Y-H, Kim Y-J, Kim G-Y, Joo Y-H, Kang N-K, Kim J-K, Chun J-H, Yoo D-G. Characterization of Thin Gas Hydrate Reservoir in Ulleung Basin with Stepwise Seismic Inversion. Energies. 2021; 14(14):4077. https://doi.org/10.3390/en14144077
Chicago/Turabian StyleYi, Bo-Yeon, Young-Ho Yoon, Young-Jun Kim, Gil-Young Kim, Yong-Hwan Joo, Nyeon-Keon Kang, Jung-Ki Kim, Jong-Hwa Chun, and Dong-Geun Yoo. 2021. "Characterization of Thin Gas Hydrate Reservoir in Ulleung Basin with Stepwise Seismic Inversion" Energies 14, no. 14: 4077. https://doi.org/10.3390/en14144077
APA StyleYi, B.-Y., Yoon, Y.-H., Kim, Y.-J., Kim, G.-Y., Joo, Y.-H., Kang, N.-K., Kim, J.-K., Chun, J.-H., & Yoo, D.-G. (2021). Characterization of Thin Gas Hydrate Reservoir in Ulleung Basin with Stepwise Seismic Inversion. Energies, 14(14), 4077. https://doi.org/10.3390/en14144077