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大牛地气田转向酸酸压技术研究与应用
断块油气田
2013年 20卷 第02期
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Title
Study and application of acid fracturing technology with diversion acid in Daniudi Gas Field
单位
中国石化华北分公司工程技术研究院，河南 郑州 450006
Organization
Research Institute of Engineering and Technology, Huabei Company, SINOPEC, Zhengzhou 450006, China
摘要
在分析大牛地气田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×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。
Abstract
This paper proposed the acid fracturing technology with diversion acid based on the analysis of geology characteristics of carbonates reservoirs in Daniudi Gas Field and aimed at the reservoir stimulation status and difficulties. The diversion mechanism was analyzed from theoretical and experiments. The performance of diversion acid system was studied by experiments on rheological properties, acid-rock reaction kinetics, diversion and broken plastic property. The acid fracturing technology with diversion acid is applied in one well, making a breakthrough of exploration and development of carbonate reservoir in Daniudi Gas Field.
关键词：
酸压;
转向酸;
碳酸盐岩;
转向机理;
大牛地气田;
Keywords:
acid fracturing;
diversion acid;
carbonates rock;
diversion mechanism;
Daniudi Gas Field;
DOI
10.6056/dkyqt201302025
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