Research Article
Effect of Axial Vibration on Sliding Frictional Force between Shale and 45 Steel
Table 1
Drilling fluid performance parameters.
| | Parameters | (g/cm3) | FV (s) | YP (Pa) | PV (mPa⋅s) | GS (Pa) | OWR | Lubricant |
| | WBM | 1.75 | 45~75 | 5~14 | 14~38 | 2~6/4~14 | / | Alcohol substance | | OBM | 2.1 | 45~100 | 5~20 | 24~75 | 2~8/3~15 | 80~90/20~10 | White oil | | SBM | 1.95 | 50~100 | 6~18 | 40~85 | 3~6/4~15 | / | Ester |
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