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本文介绍了由含氨基磺酸和多种助剂的商品缓速酸与氟化氢铵组成的酸化液ＨＳ－Ｆ，讨论了用于注水井解堵的原理和性能，报道了室内实验数据、施工工艺和现场试验结果。
In this paper, acidification liquid HS-F composed of commercial retarder acid and ammonium bifluoride containing sulfamic acid and various additives is introduced. The principle and performance of plugging for water injection well are discussed. Laboratory experimental data and construction technology are reported And field test results.