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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%、
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(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
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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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加量 0.8%时,升温至 180 ℃终点黏度为 50 mPa·s; (下转第 432 页)