[KSCI] Korea Science Citation Index Service

http://dx.doi.org/10.7582/GGE.2021.24.3.078

Seismic Imaging of Ocean-bottom Seismic Data for Finding a Carbon Capture and Storage Site: Two-dimensional Reverse-time Migration of Ocean-bottom Seismic Data Acquired in the Pohang Basin, South Korea

Park, Sea-Eun (Department of Mineral Resources and Energy Engineering, Jeonbuk National University)
Li, Xiangyue (Research Institute of Energy and Resources, Seoul National University)
Kim, Byoung Yeop (Petroleum and Marine Division, Korea Institute of Geoscience and Mineral Resources)
Oh, Ju-Won (Department of Mineral Resources and Energy Engineering, Jeonbuk National University)
Min, Dong-Joo (Department of Energy Systems Engineering, Seoul National University)
Kim, Hyoung-Soo (Department of Electrical and Electronic Engineering, Jungwon University)

Publication Information

Geophysics and Geophysical Exploration / v.24, no.3, 2021 , pp. 78-88 More about this Journal

Abstract

Owing to the abnormal weather conditions due to global warming, carbon capture and storage (CCS) technology has attracted global attention as a countermeasure to reduce CO₂ emissions. In the Pohang CCS demonstration project in South Korea, 100 tons of CO₂ were successfully injected into the subsurface CO₂ storage in early 2017. However, after the 2017 Pohang earthquake, the Pohang CCS demonstration project was suspended due to an increase in social concerns about the safety of the CCS project. In this study, to reconfirm the structural suitability of the CO₂ storage site in the Pohang Basin, we employed seismic imaging based on reverse-time migration (RTM) to analyze small-scale ocean-bottom seismic data, which have not been utilized in previous studies. Compared with seismic images using marine streamer data, the continuity of subsurface layers in the RTM image using the ocean-bottom seismic data is improved. Based on the obtained subsurface image, we discuss the structural suitability of the Pohang CO₂ storage site.

Keywords

carbon capture and storage; Pohang Basin; ocean-bottom seismic survey; reverse-time migration;

Citations & Related Records

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