Research Article
Fractal Characteristics of Pores in the Longtan Shales of Guizhou, Southwest China
Table 1
Organic geochemistry and mineral composition test results of Longtan shales.
| | Sample | Depth/(m) | Lithology | TOC/(%) | Ro/(%) | Clay mineral content/(%) | Quartz content (%) | Carbonate mineral content/(%) | Feldspar content/(%) | Pyrite content/(%) | Clay mineral composition | | Kaolinite content/(%) | Chlorite content/(%) | Montmorillonite content/(%) | Illite content/(%) | Illite/montmorillonite mixed layer content/(%) |
| | J-2 | 709.3 | Argillaceous siltstone | 1.84 | 2.61 | / | / | / | / | / | / | / | / | / | / | | J-3 | 712.4 | Shale | 2.52 | 2.34 | / | / | / | / | / | 1 | 5 | 0 | 0 | 94 | | J-4 | 717.3 | Shale | / | 3.16 | / | / | / | / | / | / | / | / | / | / | | J-5 | 722.7 | Shale | 6.88 | 2.78 | 42.03 | 33.87 | 13.91 | 10.2 | / | 1 | 7 | 0 | 68 | 24 | | J-6 | 723.7 | Shale | / | / | 44.75 | 35.02 | 8.42 | 11.8 | / | 1 | 4 | 0 | 0 | 95 | | J-8 | 743.7 | Silty mudstone | / | / | 38.22 | 28.83 | 21.55 | 11.4 | / | 2 | 12 | 0 | 0 | 86 | | J-9 | 750.8 | Argillaceous siltstone | 1.86 | / | / | / | / | / | / | / | / | / | / | / | | J-10 | 765.2 | Argillaceous siltstone | 1.96 | / | 25.94 | 25.54 | 0 | 13.1 | / | 1 | 5 | 13 | 81 | 0 | | J-13 | 768.3 | Silty mudstone | 2.31 | 2.32 | 37.43 | 36.65 | 9.72 | 12.5 | / | 3 | 3 | 0 | 94 | 0 | | J-14 | 769.6 | Silty mudstone | 2.13 | / | 36.8 | 38.19 | 14.45 | 6.89 | 3.68 | 10 | 10 | 2 | 78 | 0 | | J-15 | 771.3 | Silty mudstone | / | / | / | / | / | / | / | / | / | / | / | / | | J-16 | 774.2 | Silty mudstone | 1.36 | 2.17 | / | / | / | / | / | / | / | / | / | / | | J-18 | 777 | Shale | 5.89 | / | 47.85 | 29.12 | 2.26 | 0 | 20.78 | / | / | / | / | / | | J-19 | 778.7 | Shale | 6.99 | / | / | / | / | / | / | 7 | 9 | 0 | 0 | 84 | | J-20 | 780 | Shale | 8.7 | / | 43.51 | 22.27 | 5.11 | 0 | 29.11 | 0 | 0 | 100 | 0 | 0 | | J-21 | 781.3 | Shale | 8.62 | 2.42 | 47.37 | 24.41 | 0 | 0 | 28.22 | 1 | 2 | 0 | 0 | 97 | | F-1 | 983 | Silty mudstone | 3.3 | 2.15 | 39.74 | 10.46 | 0 | 40.98 | / | 12 | 23 | 0 | 54 | / | | F-2 | 1016 | Shale | 3.48 | 2.32 | 34.06 | 30.36 | 7.14 | 3.34 | / | 7 | 11 | 0 | 62 | / | | F-3 | 1024 | Shale | 1.85 | 2.44 | 46.71 | 33.17 | 2.75 | 9.8 | / | 6 | 21 | 0 | 46 | / | | X-1 | 481 | Shale | 2.52 | / | / | / | / | / | / | / | / | / | / | / | | X-2 | 420 | Shale | 2.86 | 2.81 | / | / | / | / | / | / | / | / | / | / | | X-3 | 430 | Shale | 5.23 | 2.72 | / | / | / | / | / | / | / | / | / | / | | X-4 | 399 | Shale | 2.34 | / | / | / | / | / | / | / | / | / | / | / | | X-5 | 518 | Silty mudstone | 1.01 | 3.16 | / | / | / | / | / | / | / | / | / | / | | X-6 | 470 | Shale | / | 3.16 | / | / | / | / | / | / | / | / | / | / |
|
|
Note: /: no experiments or no results.
|
