【Key words】 Sandstone； Acidizing； Acidizing effect； Acid additive； Temporary plugging agent； Selective plugging；
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improve the acidizing effect 提高酸化效果
The acidizing effect was evaluated with the tester, good results are got, providing theoretical evidence.
用该仪器对酸化效果进行评价，获得了较好的效果，为优选酸液配方提供了理论依据。
The combined method of oxidizing and acidizing is recommended for plugging removal, so as to improve the acidizing effect.
建议采用氧化和酸化复合解堵方法，以提高酸化效果。
This method can overcome the limitation occurred by single evaluation method and meet the need of fine evaluation of acidizing effect.
综合评价可以克服酸化效果单一评价的局限性，并可满足对酸化效果精细评价的需求。
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