Abstract
ABSTRACT Microbiologically influenced corrosion (MIC) is rapidly becoming one of the most researched areas of corrosion science. Despite this research there have been relatively few case histories published where MIC was shown to be the major cause of corrosion in oil production equipment. This case history describes a large oil producing system that once had an extensive history of no corrosion related problems in the production equipment. Shortly after a polymer flood was initiated, some wells began to encounter severe corrosion problems. Standard corrosion control programs were not successful in controlling the problem and laboratory analysis run on deposits strongly suggested MIC. The corrosion related problems were finally controlled with a nonionic, nonsurface active biocide. The success of this product further validates the conclusion that the well failures were due to MIC.
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