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The biodiesel-based flat-rheology drilling fluid system
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JIANG Guancheng,SHI He,HE Yinbo
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Table 3 Regular properties of different oils
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| Oil | Appearance | Density (20 °C)/
(kg·m-3) | Kinematic viscosity
(40 °C)/(mm2·s-1) | Closed flash
point/°C | Pour point/°C | | Methanol-made biodiesel | Light yellow fluid | 891.6 | 3.8 | 133 | -1 | | Ethanol-made biodiesel | Light yellow fluid | 882.4 | 4.1 | 142 | -5 | | Propanol-made biodiesel | Light yellow fluid | 874.1 | 6.2 | 146 | -11 | | Isopropanol-made biodiesel | Light yellow fluid | 872.9 | 6.8 | 165 | -16 | | Escaid110 | Transparent fluid | 790.0 | 1.7 | 70 | -30 | | Saraline185V | Transparent fluid | 770.0 | 2.8 | 82 | -20 | | 3# white oil | Transparent fluid | 800.0 | 3.2 | 80 | -3 | | 5#white oil | Transparent to light yellow fluid | 820.0 | 5.0 | 110 | -5 | | 0# diesel | Light yellow fluid | 850.0 | 3.5 | 55 | -18 |
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