Table 4 - uploaded by Olagoke Olabisi
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Source publication
Corrosion/erosion management for an operation is the systematic application of policies,
practices, and resources to control corrosion/erosion and provide reliable safeguards against
unexpected failures and leaks that can jeopardize mechanical integrity, operation, health,
safety and environment (HSE). This paper highlights the use of a single key...
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Citations
... Corrosion risk management for an operation is the systematic application of policies, practices, and resources to control risk and provide reliable safeguards against unexpected failures and leaks, occasioned by corrosion, which can jeopardize mechanical integrity, operation, health, safety and environment (HSE). A corrosion control metric is a performance measure that can be used to assess the efficiency of the prevailing corrosion risk management strategy 4 . For bacteria population to be used as a corrosion control metrics, some empirical correlation is required, however tenuous, that could relate bacteria population to corrosion. ...
Bacteria population density may provide a viable corrosion control metric for microbiologically influenced corrosion (MIC) in oilfield water handling systems so that the population of the different strains of bacteria such as sulfate reducing bacteria (SRB), acid producing bacteria (APB) [also classified as general aerobic bacteria (GAB)] and general anaerobic bacteria (GAnB) in the operating environment can be kept below a target envelop. Consider, for example, a system that has been experiencing increased corrosion over a period of time. If the trend of increasing corrosion rate versus time parallels the corresponding plot of all bacteria population density over that same period of time, the general assumption is to ascribe the source of increased corrosion to increased bacteria population density. It is because of this empirical correlation that oil companies normally develop in-house guidelines for quantifying bacteria proliferation. There is, however, no generally accepted method for determining such guideline unambiguously. This paper provides a guidance to correlate the effects of bacteria population density on general and pitting corrosion rates with the goal of developing a self-consistent MIC performance indicator. It is based on microbiological and corrosion data obtained from various water handling systems at the Kuwait Oil Company.
Key words: Microbiologically Influenced Corrosion, MIC, SRB, APB, GAB, GAnB
Corrosion management is the systematic application of policies, practices, and resources to control corrosion and provide reliable safeguards against unexpected failures and leaks that can jeopardize mechanical integrity, operation, health, safety and environment. This paper highlights the use of a single key performance indicator in tracking monitoring strategy, mitigation strategy, and pipeline integrity for aboveground pipelines in the North Slope.
