Applications of microbial enhanced oil recovery technology in past decade

Chang Hong Gao, A. Zekri

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

The microbial-enhanced oil recovery method relies on microorganisms and their metabolic products to mobilize residual oil. It is environmentally friendly and easy to operate. In the past ten years, the microbial-enhanced oil recovery method has attracted a great deal of attention in both research and field applications. Previous reviews focused on microbial-enhanced oil recovery mechanisms, namely IFT reduction, selective plugging, gas production, biodegradation, and wettability alteration. This article summarizes the well-documented field cases in the past ten years. The objectives are to investigate the microbial-enhanced oil recovery mechanisms and application criteria based on field data. A total of ten field cases are reviewed, including cases in Malaysia, USA, Argentina, and China. It was concluded that most of the successful MEOR treatments were conducted for formations with a low temperature (below 55 ° C), low water salinity (less than 100,000 ppm), high water cut (above 75%), and low production rate. Reservoir permeability does not seem to determine the success of microbial-enhanced oil recovery. The current success rate for the microbial-enhanced oil recovery method stands at about 80%. With a better understanding of microbial-enhanced oil recovery mechanisms and field experiences, the microbial-enhanced oil recovery method is expected to prosper and the success rate will improve.

Original languageEnglish
Pages (from-to)972-989
Number of pages18
JournalEnergy Sources. Part A, Recovery, Utilization, and Environmental Effects
Volume33
Issue number10
DOIs
Publication statusPublished - 2011

Fingerprint

Recovery
Oils
Biodegradation
Microorganisms
Wetting
Water
Gases
Temperature

Keywords

  • bacteria
  • microbe
  • oil recovery
  • petroleum
  • review

Cite this

Applications of microbial enhanced oil recovery technology in past decade. / Gao, Chang Hong; Zekri, A. .

In: Energy Sources. Part A, Recovery, Utilization, and Environmental Effects, Vol. 33, No. 10, 2011, p. 972-989.

Research output: Contribution to journalArticle

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