Research Article
Analyzing the Origin of Low Resistivity in Gas-Bearing Tight Sandstone Reservoir
Table 1
Statistics of basic reservoir characteristics.
| Stratum | Sandstone | Lithology | Physical property | Rock type | Clay mineral (%) | Porosity (%) | Permeability (mD) |
| Gs2 | Thin sandbody development | Mainly fine sandstone, single lithology | 6-10 | 8-16 | 0.1-3 | Gs3 | Thick sandbody development | Mainly fine sandstone, complex lithology, little pebbled sandstone | 2-8 | 8-12 | 0.3-3 | Gs4 | Thick sandbody development | Mainly fine sandstone, complex lithology | 2-8 | 4-12 | 0.1-3 |
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