Research Article
Experimental Study of the Flow Mechanism of Deep Lacustrine Carbonate Reservoirs in the Yingxi Area of the Qaidam Basin
Table 1
Mineral compositions of the samples.
| | Sample | Mineral composition (wt.%) | | Dolomite | Feldspar | Calcite | Anhydrite | Quartz | Glauberite | Clay minerals | Others |
| | Sy36 | 49.6 | 2.5 | 25.1 | 11.6 | 2.7 | N/D | 4.6 | 3.9 | | Sy2 | 25.0 | 12.3 | 13.8 | N/D | 12.0 | N/D | 29.7 | 7.2 | | Sy35 | 28.1 | 14.8 | N/D | 3.0 | 6.1 | 31.1 | 16.9 | - | | Sy30 | 62.3 | 6.7 | N/D | 1.0 | 6.2 | N/D | 20.5 | 3.3 | | Sy27 | 45.8 | 10.8 | 8.7 | 4.2 | 9.2 | 5.6 | 12.4 | 3.3 | | Sy42 | 72.8 | 9.7 | N/D | 1.6 | 10.9 | N/D | 5.0 | - | | Sy29 | 38.5 | 10.5 | 9.8 | 1.1 | 12.9 | 5.3 | 18.3 | 3.6 | | Sy21 | 23.5 | 16.3 | 16.5 | 5.4 | 12.6 | N/D | 20.2 | 5.5 | | Sy18 | 5.1 | 9.8 | 29.5 | 1.5 | 26.6 | N/D | 24.2 | 3.3 |
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N/D: not detected. Others include pyrite, gypsum, and halite.
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