Key words: biological corrosion, sulfate reducing bacteria.
The article presents the information on researches in biological contamination of oilfield environments by sulfate reducing bacteria for Gazpromneft-Khantos LLC deposits. It is shown that oilfield environments are highly contaminated but this fact cannot be considered as sufficient condition for intensive microbial corrosion. For hydrogen-sulfide corrosion development presence of sulfate reducing bacteria in field and waste waters is not sufficient condition. The authors note that it is necessary to estimate also the behavior pattern of hydrogen-sulfide concentration and presence of iron sulfide hard deposits.
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