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A key concern in the oilfield industry is bacterial contamination, which occurs naturally in the hydrocarbons. Biocides are used to control sulfate-reducing bacteria, slime-forming bacteria, iron-oxidizing bacteria and bacteria that attack polymers in completion and workover fluids. Antimicrobial biocide solutions reduce bacterially induced corrosion and are recommended in water-based drilling, completion, and workover fluids. They are effective against sulfate-reducing bacteria, iron bacteria and bacterial slime-formers.

Eastern Hemisphere