【摘要】 微生物发酵液具有很高的生物活性和良好的驱油性能。系统地报导了大庆油田室内筛选和评价菌种的方法，所采用的假单胞杆菌（Ｐｓｅｕｅｄｏｍｏｎａｓａｅｒｕｇｉｎｏｓａ），野油菜花黄单胞杆菌（Ｘａｎ－ｔｈｅｍｏｎａｓｃｏｍｐｅｓｔｒｉｓ），地衣芽孢杆菌（ＢａｃｉｌｌｕｓＬｉｃｈｅｎｉｆｏｒｍｉｓ）和５ＧＡ近似于节杆菌（Ｂａｃｔｅｒｏｉｄｅｓ）的配伍菌种。室内模型试验表明，该混合培养物可提高采收率３４．３％，提高残余油采收率６９．８％，达到目前的国际水平。更多还原

【Abstract】 Laboratory screening and evaluation of bacterial species for Oil recovery were introduced,including Pseuodomonas aeruginosa ,Xanthemonas compestris,Bacillus licheniformis and 5 GA. Oil recovery in the laboratory was increased by 34. 3%,and the residual Oil recovery by 69. 8%.更多还原