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Diagenetic evolution and formation mechanisms of middle to deep clastic reservoirs in the Nanpu sag, Bohai Bay Basin, East China
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WANG Enze,LIU Guoyong,PANG Xiongqi,LI Changrong,WU Zhuoya
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Table 2 Statistical results of diagenesis and petrology characteristics of the Shahejie Formation reservoirs in the Nanpu sag.
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| Formation | Rigid particle content/% | Compaction rate/% | Feldspar content/% | Dissolution rate/% | | Range | Average value | Range | Average value | Range | Average value | Range | Average value | | Es1 | 44-66 | 52.4 | 53.5-78.6 | 67.7 | 31-52 | 39.4 | 6.8-33.7 | 19.3 | | Es3 | 28-48 | 43.8 | 63.9-95.1 | 72.6 | 20-39 | 31.9 | 13.0-35.7 | 25.9 |
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