新型表面活性剂作为油气田酸化缓蚀剂的制备及其性能研究

王鼎立, 李勇明, 蒋立明, 陈波, 骆昂

Performance of Two New Surfactants as Acidizing Inhibitors for Oil and Gas Fields

WANG Dingli, LI Yongming, JIANG Liming, CHEN Bo, LUO Ang

表3 EIS参数拟合结果

Table 3 Fitting results of EIS parameters

Inhibitor C / mmol/L Rs / Ω·cm2 CPE1 Rpore / Ω·cm2 CPE2 Rct / Ω·cm2 η / % Y01 / Ω-1·sn·cm-2 n Y02 / Ω-1·sn·cm-2 n DEER Blank 0.59 67.1 0.78 7.9 269.7 0.62 11.4 --- 12 1.07 15.4 0.86 8.3 190.1 0.69 152.2 88.0 14 1.2 15.8 0.88 7.1 171.2 0.72 202.6 90.8 16 1.0 18.3 0.88 12.1 142.6 0.71 212.8 91.4 18 0.93 10.5 0.89 22.4 83s.9 0.67 265.8 93.3 20 1.1 10.1 0.87 25.5 66.5 0.69 340.3 94.7 DEOD Blank 0.59 67.1 0.78 7.9 269.7 0.62 11.4 --- 12 0.67 16.6 0.89 9.4 126.8 0.59 190.6 90.3 14 0.74 10.7 0.87 9.9 116.8 0.62 207.5 91.1 16 0.80 8.9 0.90 18.7 107.4 0.67 238.2 92.5 18 0.89 7.5 0.88 22.6 13.7 0.69 246.6 92.8 20 0.98 8.4 0.89 29.5 78.3 0.62 263.2 93.4