Research Article
Revisiting Controls on Shale Oil Accumulation in Saline Lacustrine Basins: The Permian Lucaogou Formation Mixed Rocks, Junggar Basin
Table 2
Average TOC contents and OSI values of the main lithofacies in the sweet spots in the Lucaogou Formation, Jimusar Sag.
| | Main lithology | TOCaverage (wt.%) | OSIaverage (mg HC/g TOC) | Main lithology | TOCaverage (wt.%) | OSIaverage (mg HC/g TOC) |
| | Argillaceous limestone | 3.75 | 452.01 | Dolomitic siltstone | 3.23 | 334.98 | | Argillaceous dolomite | 1.87 | 385.91 | Shale | 11.24 | 30.90 | | Argillaceous siltstone | 3.30 | 378.83 | Dolomicrite | 2.53 | 265.59 | | Tuff | 3.26 | 296.13 | Calcareous mudstone | 4.25 | 96.57 | | Silty dolomite | 4.77 | 318.81 | Dolomitic mudstone | 4.83 | 160.09 | | Calcareous siltstone | 2.29 | 244.69 | Silty mudstone | 5.84 | 128.26 |
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