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The relaxation properties of water saturated in porous core are discussed and the dis-tribution of proton transverse relaxation time and bi-exponential model of longitudiual relaxationtime are obtained, which provide an illustration for two-model of fluids saturated in porous media.The cutoff value of T_1 based ou relaxation specific property of fluids in porous core is adopted toimprove the correlation between permeability and
The relaxation properties of water saturated in porous cores are discussed and the dis-tribution of proton transverse relaxation time and bi-exponential model of longitudiual relaxation time are obtained, which provide an illustration for two-model of fluids saturated in porous media.The cutoff value of T_1 based ou relaxation specific property of fluids in porous core is adopted toimprove the correlation between permeability and