Experimental study of two-phase fluid flow in two different porosity types of sandstone by P-wave velocity and electrical Impedance measurement

Hiroyuki Honda1, Yasuhiro Mitani2, Keigo Kitamura3, Hiro Ikemi1 and Shinnosuke Takaki1, (1)Kyushu University, Fukuoka, Japan, (2)Kyushu University, Civil Engineering,, Fukuoka, Japan, (3)WPI-I2CNER, Kyushu University, Fukuoka, Japan