Seabed CPT 51 points and Vibrocore 51 points from Wando to Jeju Island in 2018.

Geotechnical Investigation Continuous Sampling 100m at Offshore Jeju Island in 2019.

Geotechnical Investigation Continuous Sampling 100m at Offshore Ulsan in 2019.

Geotechnical Investigation Continuous Sampling 120m at Offshore Yeongdeok in 2019.

Geotechnical Investigation Continuous Sampling & PCPT 100m at Offshore Pohang in 2019.

Geotechnical Investigation Continuous Sampling & PCPT 70m including PS Logging, Pressuremeter Test and Borehole Televiewer at Offshore Yokji-Do in 2021 to 2022.