【摘要】 菌株G31是从胜利油田污水中分离到的 1株假单胞菌 (Pseudomonassp ) ,该菌株在石油液体培养基中能够生长发酵 ,产生有机酸和表面活性物质 ,可以应用于微生物三次采油。菌株G31可以降解和乳化石油、降低石油的粘度 ,其产物可以降低油水的界面张力 ,增加石油的流动性。室内岩心试验结果表明利用菌株G31发酵液进行驱油可使原油采收率提高 10 %以上。更多还原

【Abstract】 Pseudomonas G31 cultured from the waste water of Shengli Oil Field can produce organic acid when growing and metabolizing in the oil culture G31 can degrade oil,what it products can lower the surface tension between water and oil,and emulsify oil to decline the viscosity and enhance the flow of oil更多还原