Performed over 100 boreholes involving soil sampling, PCPT, SPT, rock coring, PS Logging, Pressuremeter Test, High-Resolution Acoustic Televiewer, as well as more than 50 seabed CPT and vibrocore operation for KIGAM, KIOST, Vena Energy, Corio Generation, Doosan Enerbility, Anma Offshore Wind and Taean Offshore Wind in offshore South Korea.