土酸酸化对水泥环的影响

THE EFFFCT OF ACIDIZATION WITH MUD ACID ON CEMENT SHEATH

本文论述了水泥环酸溶蚀的影响因素和不同溶蚀状态下的试验结果,提出了提高固井质量、保护水泥环的措施,以适应表外层开发需要。

<ABSTRACT>: Factors that effect the cement sheath by acid etching and experi-ment al results of different corrosion degrees are discussed in this paper and methods of improving the quality of cement jobs and protecting the cement sheath are mentioned so as to the be benefin the development of low permeability and thin layers.