Super-amphiphobic, strong self-cleaning and high-efficiency water-based drilling fluids

JIANG Guancheng,NI Xiaoxiao,LI Wuquan,QUAN Xiaohu,LUO Xuwu

Table 4 Comparison of lubrication effects of S-A and commonly used lubricants at room temperature.

Sample Lubrication factor Reduction rate of lubrication factor/% 4% base mud 0.54 4% base mud +0.5% PF-lube-1 0.35 35.19 4% base mud +0.5% CX-300H 0.18 66.67 4% base mud+0.5% PF-lube-2 0.33 38.89 4% base mud+0.5% Geruidisi 0.24 55.56 4% base mud+0.5%S-A 0.10 81.48