摘要：

The tertiary oil recovery by using new anionic-nonionic surfactant-fatty alcohol polyoxyethylene ether sulfonate was introduced.The excellent properties and applications of the surfactant in high temperature and high salinity reservoir were prospected.Assessment on the synthesis of fatty alcohol polyoxyethylene ether sulfonate in China and international area was highlighted.The advantages and disadvantages of the synthesis process routes were analyzed.Moreover,the application prospect and trends of the research work of this surfactant were discussed.

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