Potential Microorganisms for Prevention of Paraffin Precipitation in a Hypersaline Oil Reservoir

被引：26
作者：
Zhang, Fan [1 ,2 ]
She, Yuehui [3 ]
Banat, Ibrahim M. [4 ]
Chai, Lujun [1 ,2 ]
Yi, Shaojing [3 ]
Yu, Gaoming [3 ]
Hou, Dujie [1 ,2 ]
机构：
[1] Minist Educ, Key Lab Marine Reservoir Evolut & Hydrocarbon Acc, Beijing, Peoples R China
[2] China Univ Geosci Beijing, Sch Energy Resources, Beijing 100083, Peoples R China
[3] Yangtze Univ, Coll Chem & Environm Engn, Jinzhou 434023, Hubei, Peoples R China
[4] Univ Ulster, Fac Life & Hlth Sci, Coleraine BT52 1SA, Londonderry, North Ireland
来源：
ENERGY & FUELS | 2014年 / 28卷 / 02期
关键词：
BIOSURFACTANT-PRODUCING PSEUDOMONAS; WETTABILITY ALTERATION; MICROBIAL TREATMENT; CONTAMINATED SOIL; BACILLUS-SUBTILIS; MEOR PROCESS; RECOVERY; AERUGINOSA; SLUDGE; BIODEGRADATION;
D O I：
10.1021/ef402329u
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Based on 454 pyrosequencing of 16S rRNA gene amplicons, microbial communities in samples collected from seven wells, six of which had positive paraffin deposition reduction and one with negative paraffin deposition reduction upon a microbial treatment designed for the prevention of paraffin precipitation, were analyzed. Microbial communities' structures were significantly different for the samples from the negative well and the positive wells. Microbes affiliated with Diaphorobacter belonging to beta-Proteobacteria were predominant in the negative well, While gamma-Proteobacteria-affiliated microbes of Pseudomonas and Enterobacter and Firmicute-affiliated Bacillus were shared and dominant in the positive wells. Microbes shared in the positive wells could be considered as potential candidates for investigations into microbial paraffin control. In addition, microbial activity of hydrocarbon-degradation and microbial products such as biosurfactants were proposed to be the main potential mechanisms for the microbial treatment for the prevention of paraffin precipitation.
引用
收藏
页码：1191 / 1197
页数：7
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