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

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

Table 5 Comparison of lubrication effects of S-A and commonly used lubricants at high temperature.

Sample Lubrication factor Reduction rate of lubrication factor/% 4% base mud 0.52 4% base mud+0.5% PF-lube-1 0.34 34.62 4% base mud+0.5% CX-300H 0.17 67.31 4% base mud+0.5% PF-lube-2 0.24 53.84 4% base mud+0.5% Geruidisi 0.15 71.15 4% base mud+0.5%S-A 0.07 86.54