详细描述了离子注入技术在泥浆泵缸套表面改性中的研究和应用 .提出了离子注入高铬铸铁缸套表面改性的机制 ,通过样品实验和现场实验得到最佳离子注入工艺 ,使改性后的缸套寿命、丁晴橡胶活塞的使用寿命得到提高 .本项技术可提高石油钻井的生产效率 ,降低成本 ,为国家节约资金 ,已基本达到工业应用化程度 ,填补了离子注入表面改性技术在石油行业应用的空白 The research and application of ion implantation technology in surface modification of mud pump cylinder liner are described in detail.The mechanism of surface modification of high chromium cast iron cylinder liner by ion implantation is proposed.The optimum ion implantation process is obtained through sample experiment and field experiment, After the liner life, nitrile rubber piston life is improved.This technology can improve the production efficiency of oil drilling, reduce costs, save money for the country, has basically reached the level of industrial application, to fill the surface of the ion implantation The blank of sex technology in petroleum industry