Methods and compositions for applications related to microbiologically influenced corrosion

摘要

Disclosed herein are methods and compositions for applications related to the microbio logically influenced corrosion (MIC). MIC is becoming increasingly important, especially to the oil and gas industry due to flooding and aging pipelines. The lack of understanding of the fundamental mechanisms in MIC have greatly hindered the development of reliable prediction and new mitigation methods. This disclosure demonstrates how a biocatalytic cathodic sulfate reduction (BCSR) theory, together with bioenergetics, electrochemical kinetics, and mass transfer, can be used with regard to MIC. The discovery of MIC promoters led to a new detection tool for more accurate assessment of MIC pitting, and potential new mitigation methods that targets the promoters or microorganisms that secrete these promoters. An MFC device was described to detect the presence of MIC promoters. In cases that accelerated MIC pitting is desired such as destruction of undersea munitions, accelerated MIC lab tests, MIC promoters can be added.