Research Article

Fuzzy Random Characterization of Pore Structure in Frozen Sandstone: Applying Improved Niche Genetic Algorithm

Table 2

T2 value and pore size of different pores.

Aperture typeT2 (ms)Inversion results under different conditions (μm)
Only small apertureAll aperture ranges exist

Small aperture0.1∼5.8<0.089<0.178
Medium aperture5.8∼330.178∼1.015
Large aperture33∼4101.015∼12.62