1. Department of Environmental Exploration Engineering; Pukyong National University; Busan; Korea
2. Vietnam Petroleum Institute; Hanoi; Vietnam
3. Federal Institute for Geosciences and Natural Resources; Hannover; Germany
4. Department of Geology and Petroleum Geology, School of Geosciences; University of Aberdeen; Aberdeen; UK
5. Key Laboratory of the Marginal Sea Geology, South China Sea Institute of Oceanology; Chinese Academy of Sciences; Guangzhou; China