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| Material | Author | Year | Reduction ratea (%)/concentration (wt%) |
|---|---|---|---|
| GO | S. Q. Liu et al. | 2017 | 12.6/0.075 |
| GO | Zheng et al. | 2021 | 84/5 |
| GO/Gly-DES | Ma et al. | 2021 | 48.13/0.25 |
| GO modified by CTAC | Wang et al. | 2022 | 67/0.05 |
The reduction rate is the reduction of coefficient of friction in the lubricant compared to it in the base mud.
