Performed almost 60 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 and Anma Offshore Wind Energy in offshore South Korea.