耐高温油田堵水剂的研究进展

Research progress of high temperature resistant water plugging agents

提出了常规油田堵水剂应用于高温油藏时的不足,综述了聚丙烯酰胺凝胶、硅酸凝胶、耐高温树脂以及部分其它耐高温堵水剂的研究现状和堵水效果,从改善凝胶内部结构和引入耐高温无机物两个方面阐述了增强聚丙烯酰胺凝胶耐温性能的方法,介绍了部分堵剂的堵水机理和近年来研发的耐高温堵剂的现场应用实例。对今后耐高温堵水剂的研究和发展提出了展望和建议,以期为耐高温堵水剂的优化、研发和应用提供参考。

The shortcomings of conventional oilfield plugging agents in high temperature reservoirs are put forward.The research status and water plugging effect of polyacrylamide gel,silicic acid gel,high temperature resistant resin and other high temperature resistant water plugging agents are reviewed.The method of enhancing the temperature resistance of polyacrylamide gel is described in two aspects of the internal molecular structure of the gel and the introduction of high temperature resistant inorganic materials.The mechanism of water plugging of some plugging agents and the field application of high temperature plugging agents developed in recent years are introduced.The prospect and suggestions for the research and development of high temperature resistant water plugging agent are put forward in order to provide reference for the optimization,research and application of high temperature resistant water plugging agent.