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·416·                             精细化工   FINE CHEMICALS                                 第 39 卷

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            为 38.73 g/(m ·h);相同测试条件下,添加量 0.8%                  90、120、150、180  ℃剪切 1 h 后的黏度分别为 83.6、
            的 SY-2 稠化酸的腐蚀介质酸液腐蚀速率为 41.36 g/                    43.5、27.8、20.1 mPa·s,黏度保持率分别为 85.66%、
               2
            (m ·h),优于行业标准 SY/T 5405—2019 中所规定的                 74.45%、52.01%、40.20%,黏度保持率高于行业标
                              2
            腐蚀速率〔80 g/(m ·h)〕。由此证明,SY-2 稠化酸与                   准 SY/T 6214—2016。
            WR-19、TW-13 配伍性良好。                                    (4)SY-2 稠化酸与缓蚀剂 WR-19、铁离子稳定
            2.8  180  ℃静态酸岩反应                                  剂 TW-13 配伍性良好。在 180  ℃下静态酸岩反应的
                                                                                –5
                                                                                       2
                 分别使用两种稠化酸进行 180  ℃静态酸岩反                       反应速率为 8.94×10  g/(cm ·s),缓速性能良好。
            应,结果如图 8 及表 3 所示。                                     (5)SY-2 稠化酸满足 180  ℃高温深井的酸压
                                                               体系要求,有望在深井、超深井酸压中大规模使用,
                                                               具有很好的应用前景。

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