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Genesis of calcite vein in basalt and its effect on reservoir quality: A case study of the Carboniferous in the east slope of Mahu sag, Junggar Basin, NW China
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XIA Lu,CAO Yingchang,BIAN Baoli,LIU Hailei,WANG Xiaoxue,ZHAO Yiwei,YAN Miaomiao
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Table 1 Test results of homogenization temperatures of brine inclusions in basalt calcite vein at 3877.13 m in Well Ma 201.
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Period of
host calcite | Inclusion
No. | Diameter/
μm | Homogenization temperature/°C | | Period-I | A1 | 6.6 | 85.2 | | A2 | 4.2 | 84.7 | | A3 | 5.3 | 86.1 | | A4 | 5.8 | 92.6 | | A5 | 4.1 | 81.7 | | A6 | 4.8 | 86.8 | | A7 | 5.5 | 80.7 | | Period-II | B01 | 5.1 | 90.8 | | B02 | 6.8 | 91.2 | | B03 | 7.7 | 96.7 | | B04 | 6.5 | 82.7 | | B05 | 7.5 | 77.2 | | B06 | 5.9 | 80.8 | | B07 | 8.0 | 89.1 | | B08 | 5.5 | 88.2 | | B09 | 12.4 | 86.9 | | B10 | 6.0 | 76.5 |
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