*Saki Tsutsumi¹, Yumi Kiyota¹, Koji Matsuda¹, Yoshio Soeda¹, Shogo Oshima¹, Sachihiro Taguchi², Yasumoto Tsukada³ (1.West Japan Engineering Consultants, Inc.,, 2.Fukuoka University, 3.Japan Oil, Gas and Metals National Corporation(JOGMEC))