Application of surfactin in microbial enhanced oil recovery

doi:10.7623/syxb200801024

Editorial office of ACTA PETROLEI SINICA ›› 2008, Vol. 29 ›› Issue (1): 111-115.DOI: 10.7623/syxb200801024

• Oil Field Development • Previous Articles Next Articles

Application of surfactin in microbial enhanced oil recovery

WANG Dawei¹, LIU Yongjian¹, YANG Zhenyu², HAO Chunlei¹

1. Daqing Petroleum Institute, Daqing 163318, China;
2. Exploration and Development Institute, PetroChina Daqing Oilfield Limited Company, Daqing 163712, China

Received:2007-04-03 Revised:2007-05-24 Online:2008-01-25 Published:2010-05-21

脂肽生物表面活性剂在微生物采油中的应用

王大威¹, 刘永建¹, 杨振宇², 郝春雷¹

1. 大庆石油学院, 黑龙江大庆, 163318;
2. 大庆油田有限责任公司勘探开发研究院, 黑龙江大庆, 163712

作者简介:王大威,男,1978年9月生,2004年获东北农业大学微生物学硕士学位,现为大庆石油学院在读博士研究生,主要从事微生物提高原油采收率的研究工作.E-mail:wdw78913@163.com
基金资助:
国家重大基础研究前期研究专项项目(2005CCA06200);黑龙江省自然科学基金项目(E200523)联合资助

Abstract

Abstract: The physicochemical properties of surfactin generated from a bacillus subtilis strain ZW-3,such as critical micella concentration value,the emulsification value,stability to salinity and temperature,ability to reduce the interfacial tension were measured in Daqing Oilfield.The surfactin have the good properties in emulsification and reduction of the interfacial tension in the complex environment of oil reservoir.The results of microbial-flooding physical simulation experiment indicated that the surfactin could enhance oil recovery by 9.2% and would have a good prospect in microbial enhanced oil recovery.

Key words: surfactin, Bacillus subtilis, interfacial tension, fermenting liquid, microbial enhanced oil recovery

摘要： 对从大庆油田分离到的一株枯草芽孢杆菌(Bacillus subtilis)ZW-3代谢的脂肽生物表面活性剂的理化性质(CMC值、乳化活性、对温度、矿化度的稳定性、降低油水界面张力能力)进行了测定,同时进行了物理模拟实验。研究结果表明,该脂肽表面活性剂具有优良的乳化和降低油水界面张力的能力,并可以适应油藏中复杂的环境,可提高采收率9.2%。在微生物采油中具有较好的应用前景。

关键词: 脂肽生物表面活性剂, 枯草芽孢杆菌, 油水界面张力, 发酵液, 微生物采油

CLC Number:

TE357.9

WANG Dawei, LIU Yongjian, YANG Zhenyu, HAO Chunlei. Application of surfactin in microbial enhanced oil recovery[J]. Editorial office of ACTA PETROLEI SINICA, 2008, 29(1): 111-115.

王大威, 刘永建, 杨振宇, 郝春雷. 脂肽生物表面活性剂在微生物采油中的应用[J]. 石油学报, 2008, 29(1): 111-115.

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Application of surfactin in microbial enhanced oil recovery

脂肽生物表面活性剂在微生物采油中的应用

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