西南石油大学学报(自然科学版) ›› 2013, Vol. 35 ›› Issue (2): 97-101.

• 石油与天然气工程 • 上一篇    下一篇

致密碳酸盐岩气藏转向酸酸压技术研究

李克智,徐兵威,秦玉英,何青   

  1. 中国石化华北分公司工程技术研究院,河南郑州450006
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2013-04-01 发布日期:2013-04-01

Study on Diversion Acid Technology in Tight Carbonatite Gas Reservoir

Li Kezhi, Xu Bingwei, Qin Yuying, He Qing   

  1. Research Institute of Engineering and Technique,Huabei Sub-Company,SINOPEC,Zhengzhou,Henan 450006,China
  • Received:1900-01-01 Revised:1900-01-01 Online:2013-04-01 Published:2013-04-01

摘要: 在分析大牛地气田低渗致密碳酸盐岩储层地质特征的基础上,针对储层改造现状和改造难点提出了转向酸酸
压技术。从理论和实验两方面分析了转向酸体系的转向机理,通过流变性能、酸岩反应动力学、转向性能及破胶性能
实验分析了转向酸体系的综合性能,最后在A 井试验应用了转向酸酸压工艺,取得了大牛地气田碳酸盐岩储层勘探开
发的突破。

关键词: 大牛地气田, 致密碳酸盐岩, 水平井, 转向酸, 转向机理

Abstract: This paper analyzed carbonates reservoirs’ geology in Daniudi gas field,proposed diversion acid technology based
on the reservoir transformation status and difficulties. The diversion acid mechanism were analyzed from both theoretical and
experiments perspectives. Diversion acid system’s performances were studied by experiments on rheological properties,acidrock
reaction kinetics,diversion and broken plastic performance. At last,the application of diversion acid technology in A well
is a breakthrough of exploration and development in Daniudi Gas Field.

Key words: Daniudi Gas Field, tight carbonatite, horizontal wells, diversion acid, diverting device mechanism