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Research on Efficient Microbial Enhanced Oil Recovery Technology Based on Low-Temperature Heavy Oil

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Abstract:

Based on the low-temperature and heavy oil reservoir of conventional injection well pattern separated two strains of oil degradation bacteria LC and JH which had satisfactory compatibleness with BaoLige oill field. In order to study the feasibility of enhancing oil recovery rate of the two strains, the experiment of huff and puff with 15 wells were carried out. The average concentration of bacteria increase from 4.7×102cells/ml to 8.1×106cells/ml. The average reduction of surface tension and viscosity is 33.1% and 31.9%. The accumulative total was 1163.2t. The ratio of input to output was 1:2.12. Microbial enhanced oil recovery can improve the low-temperature and heavy oil production status, which provide a effective method for the similar oil field.

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Info:

Periodical:

Advanced Materials Research (Volumes 734-737)

Pages:

1434-1439

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.734-737.1434

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Cite this paper

Online since:

August 2013

Authors:

Gang Wu*, Fu Ping Ren, Jing You, Ji Liang Yu, Ya Tuo Pei, Sha Sha Liu

Keywords:

Field  Trial, Heavy Oil, Huff with Single Well, Low-Temperature, Microbial Oil Recovery, Puff with Single Well

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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