Research Article
Effects of Porosity of Dry and Saturated Sandstone on the Energy Dissipation of Stress Wave
Table 1
Sandstone pore parameters.
| Type of spectra | No. of peak | Starting time | Vertex time | End time | Pore diameter range (mm) |
| Three peak | 1 | 0.01 | 0.5 | 4 | 0.0002–0.08 | 2 | 4 | 14 | 86 | 0.08–1.72 | 3 | 100 | 150 | 750 | 2–15 |
| Four peak | 1 | 0.01 | 0.5 | 5 | 0.0002–0.1 | 2 | 8 | 28 | 240 | 0.16–4.8 | 3 | 265 | 403 | 2154 | 5.3–43.08 | 4 | 2160 | 3000 | — | >43.2 |
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