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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 7 Basic performance of self-made organic clays
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Organic
clay | Cationic modifier | Interlayer spacing/
nm | Average particle size/μm | Colloidal rate in biodiesel/% | | OC16 | Cetyltrimethyl
ammonium chloride | 1.979 | 3.58 | 88 | | OC18 | Octadecyltrimethyl ammonium chloride | 1.998 | 5.13 | 72 | | ODC16 | Double-cetyltrimethyl ammonium chloride | 3.635 | 6.15 | 54 | | OTC16 | Triple-cetyltrimethyl ammonium chloride | 4.492 | 7.07 | 46 |
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