The acid is used as a perforating fluid and as a retarded acid in high-temperature Wells.
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2. 通过岩芯驱替实验发现该缓速酸工作液具有打开油流通道，提高地层增产增注的能力。
The core displacement experiment found that the retarded acid working fluid has the capacity of opening the oil flow passage, increasing reservoir production and increasing injection.
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3. 低温缓速酸工作液和中高温缓速酸工作液均具有优良的防腐蚀、防二次伤害、防膨等能力。
Low temperature retarded acid working fluid and mid-high temperature retarded acid working fluid have good anti-corrosion, anti-secondary damage, anti-swelling capacity and so on.
Surface viscous acid has been prepared by mixing thickening agent (PAM) and cross? Linking agent (GL-5) with acid, which has the function of retarding reaction rate and sand prevention.
This paper brings about the single stage treatment, which replaces multistage treatment, so it can simplify treatment processes, and save treatment expenditure.
Some reservoirs in Gudao Oilfield are plugged by the mixture of organic matter and inorganic matter. For solving this problem, a new plug removal agent was developed.
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7. 文中主要介绍有机缓速土酸在轮南油田注水井重复酸化中的应用。
Application of organic retarded mud acid to reacidizing in injection wells in Lunnan Oilfield is described in this paper.
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8. 研究出的低聚合物加量胶凝酸体系，降低酸液滤失，实现酸液缓速和深穿透的目的。
The acid gelling of less additive can reduce leak in crack or hole and delay acid reaction to penetrating through farther.
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9. 因此对酸液的缓速和防止二次沉淀的性能有较高要求。
Therefore it has higher requirements on acid retarding and prevention of secondary precipitate.
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10. 因此对酸液的缓速和防止二次沉淀的性能有较高要求。
Therefore it has higher requirements on acid retarding and prevention of secondary precipitate.
