| 日期 | 塔皮斯 | 米纳斯 | 辛塔 | 杜里 |
| (轻质油) | (中质油I) | (中质油II) | (重质油) | |
| 2018-8-2 | 73.87 | 67.15 | 65.05 | 64.7 |
| 2018-8-1 | 75.37 | 68.73 | 66.63 | 66.28 |
| 2018-7-31 | 76.65 | 69.35 | 67.25 | 66.9 |
| 2018-7-30 | 76.34 | 69.21 | 67.11 | 66.76 |
| 2018-7-27 | 76.3 | 68.96 | 66.86 | 66.51 |
| 2018-7-26 | 76.47 | 69.18 | 67.08 | 66.73 |
| 本月平均价(美元/桶) | 75.83 | 68.76 | 66.66 | 66.31 |
| 至今推算基准价(元/吨) | 3875.69 | 3311.09 | 3173.24 | 2921.44 |
| 前期调价期(美元/桶) | 76.72 | 75.90 | 68.11 | 67.76 |
| 前期基准油价(元/吨) | 3920.98 | 3654.79 | 3242.18 | 2985.01 |
| 较前期涨幅(元/吨) | -45.29 | -343.70 | -68.94 | -63.57 |
| 较前期变化率(%) | -1.16% | -9.40% | -2.13% | -2.13% |
(关键字：原油 基准价格)