Performance of EDAB-HCl Acid Blended System as Fracturing Flu-ids in Oil Fields

赵增迎; 吕国诚; 张以河; 连胜江; 田娜

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Performance of EDAB-HCl Acid Blended System as Fracturing Flu-ids in Oil Fields

能源、资源与环境技术 | Updated：2026-01-06

- Performance of EDAB-HCl Acid Blended System as Fracturing Flu-ids in Oil Fields
- Performance of EDAB-HCl Acid Blended System as Fracturing Flu-ids in Oil Fields
- 中国化学工程学报（英文版） 2014年22卷第2期页码：202-2071004-954160028-8
- Affiliations：
  
  2 Research Institute of Petroleum Exploration and Development, PetroChina,Beijing,China,100083
- Author bio：
- Funds：
- DOI：
  中图分类号：
- 纸质出版：2014
- Accepted：
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赵增迎, 吕国诚, 张以河, 等. Performance of EDAB-HCl Acid Blended System as Fracturing Flu-ids in Oil Fields[J]. 中国化学工程学报（英文版）, 2014,22(2):202-2071004-954160028-8.

ZHAO Zengying, LÜ Guocheng, ZHANG Yihe, LIAN Shengjiang, TIAN Na. Performance of EDAB-HCl Acid Blended System as Fracturing Flu-ids in Oil Fields[J]. Chin.J.Chem.Eng., 2014, 22(2): 202-207.
赵增迎, 吕国诚, 张以河, 等. Performance of EDAB-HCl Acid Blended System as Fracturing Flu-ids in Oil Fields[J]. 中国化学工程学报（英文版）, 2014,22(2):202-2071004-954160028-8. DOI：

ZHAO Zengying, LÜ Guocheng, ZHANG Yihe, LIAN Shengjiang, TIAN Na. Performance of EDAB-HCl Acid Blended System as Fracturing Flu-ids in Oil Fields[J]. Chin.J.Chem.Eng., 2014, 22(2): 202-207. DOI：

摘要

Abstract

Due to the high price and formation damage of the guargum fracturing fluid

many oilfields are more and more interested in surfactant based fracturing fluids. The rheological properties of erucicamide dimethyl amidopropyl betaine (EDAB)-HCl acid blended system and its suitability as fracturing fluid were investigated in this work. The effects of pH

concentration of EDAB

and temperature on the rheological properties of the blended system were studied. The results show that addition of EDAB improved the viscosity of the system from less than 10 mPa·s to about 400 mPa·s

which could retard the acid-rock reaction to about one half at 60℃ and one quarter at 90℃ comparing to straight HCl acid

suggesting that there is sufficient time for the blended fluid to react with formation rock when it is used as fracturing fluid in an oil field. Core flow tests demonstrated that the EDAB-acid blended fluid could divert itself from high permeability formation core to low permeability one

thus ensuring proper acid placement in the target reservoirs.

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