Control of SRB – Mediated Microbially Influenced Corrosion in Flowing Systems
Abstract
Corrosion is the major threat to oil and gas production and transportation infrastructure around the world. It is now accepted that microorganisms, especially sulfate-reducing bacteria, may play a significant role in the corrosion mechanism in many of the corrosion scenarios in the oil and gas industry. Therefore, an understanding of how to control sulfate-reducing bacteria mediated microbially influenced corrosion is key to controlling microbially influenced corrosion in the oil and gas industry. The biocorrosion threat to a steam-assisted gravity drainage operation was assessed and found to be low. The control of sulfate-reducing bacteria mediated microbially influenced corrosion in model systems involving carbon steel beads under flow was accomplished with biocides and corrosion inhibitors. While significant corrosion control was observed with biocides, oil soluble corrosion inhibitors reduced the corrosion rate by as much ninety-nine percent. These control methods had different effects on the microbial communities involved in the corrosion process.
Description
Keywords
Environmental Sciences
Citation
Pinnock, T. (2016). Control of SRB – Mediated Microbially Influenced Corrosion in Flowing Systems (Master's thesis, University of Calgary, Calgary, Canada). Retrieved from https://prism.ucalgary.ca. doi:10.11575/PRISM/25456