Microbial enhanced oil recovery (MEOR) is a new technique combining with biology and oilfield development technology, by which EOR of low permeability reservoirs could increase through improving the in-layer and interlayer contradictions.

• 摘要微生物采油是将生物学与油田开发技术相结合、促使低渗透油藏改变油层内和油层间矛盾、提高原油采收率的一项新技术。