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Natural gas geology and exploration direction of the Cambrian Lower Canglangpu Member in central Sichuan paleo-uplift, Sichuan Basin, SW China
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YAN Wei,LUO Bing,ZHOU Gang,CHEN Youlian,ZHONG Yuan,LI Kunyu,ZHOU Hongfei,ZHAO Like,HE Yuan
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Table 1 Order degrees of dolomite samples from the Canglangpu Formation, Sichuan Basin.
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| Profile/Well | Sample No. | Lithology | Order degree | | Well MX202 | 202-1 | Powder-crystalline dolomite | 0.45 | | Sutian profile | YSST-1 | Powder-crystalline dolomite | 0.37 | | Well BL1 | BL1-1 | Powder-crystalline dolomite | 0.34 | | BL1-2 | Powder-crystalline dolomite | 0.30 | | Well MX202 | 202-2 | Powder- to fine-crystalline dolomite | 0.46 | | 202-3 | Fine-crystalline dolomite | 0.59 | | Well MX17 | 17-1 | Fine-crystalline dolomite | 0.54 | | 17-2 | Fine-crystalline dolomite | 0.59 | | 17-3 | Middle to fine-crystalline dolomite | 0.60 |
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