A lot of comperative drilling fluid systems of polymer amine salt is used for evaluating the protective petroleum distinguish feature of MMH drilling fluid, and acting mechanism of this system is analysed.

• 以胜利油田1997年完成的18口探井为研究对象,结合胜利油田曲堤区块勘探开发状况,对其使用的聚合物铵盐钻井液和正电胶钻井液保护油气层特性进行了分析对比。