Research Article
Experimental Study on Seepage Characteristics of Jurassic Weakly Cemented Sandstone under Water-Rock Interaction
Table 6
Porosity of the samples before and after the seepage experiments.
| | Sample | Preexperiment porosity | Postexperiment porosity | Growth rate |
| | YP-1 | 27.33 | 30.44 | 11.38% | | YP-2 | 31.05 | 32.25 | 3.86% | | YP-3 | 32.80 | 33.52 | 2.20% | | YP-6 | 31.55 | 32.30 | 2.38% | | YP-8 | 26.21 | 27.16 | 3.62% | | YP-9 | 25.47 | 26.16 | 2.71% | | YP-14 | 27.02 | 27.96 | 3.48% | | YP-15 | 29.14 | 29.67 | 1.82% | | YP-16 | 30.70 | 31.77 | 3.49% | | YP-21 | 34.45 | 35.69 | 3.60% | | YP-22 | 32.84 | 34.34 | 4.57% | | YP-23 | 32.23 | 33.35 | 3.48% | | YP-24-1 | 28.37 | 29.93 | 5.50% |
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