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07511 Mitigation of Microbiologically Influenced Corrosion in Water Injection

Picture for 07511 Mitigation of Microbiologically Influenced Corrosion in Water Injection
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Product Number: 51300-07511-SG
ISBN: 07511 2007 CP
Author: Stephen Maxwell, Mark Berry, and Laid Latifi
Publication Date: 2007
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$20.00
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In 1987, a corrosion review of oilfield flowline and pipeline networks in the United Arab Emirates concluded that pitting corrosion had occurred and that Microbiologically Influenced Corrosion (MIC) was a possible contributor to the corrosion observed. In response to this finding, a comprehensive MIC mitigation and monitoring strategy was put in place. The strategy covered both the production pipelines and also the seawater injection flowlines. For almost 20 years, the high rates of corrosion initially determined have been controlled to acceptable levels and the pipelines and flowlines continue to meet operational performance specifications. In particular, the control of MIC groove corrosion in subsea water injection flowlines is highlighted, given the frequency of reports of failures due to grooves in other seawater injection flowlines around the world. Chemical biocides have been applied to control bacterial growth and activity and regular cleaning pigs introduced to minimise deposits.

In 1987, a corrosion review of oilfield flowline and pipeline networks in the United Arab Emirates concluded that pitting corrosion had occurred and that Microbiologically Influenced Corrosion (MIC) was a possible contributor to the corrosion observed. In response to this finding, a comprehensive MIC mitigation and monitoring strategy was put in place. The strategy covered both the production pipelines and also the seawater injection flowlines. For almost 20 years, the high rates of corrosion initially determined have been controlled to acceptable levels and the pipelines and flowlines continue to meet operational performance specifications. In particular, the control of MIC groove corrosion in subsea water injection flowlines is highlighted, given the frequency of reports of failures due to grooves in other seawater injection flowlines around the world. Chemical biocides have been applied to control bacterial growth and activity and regular cleaning pigs introduced to minimise deposits.

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Quantification of Microbiologically Influenced Corrosion in Injection Water Pipelines

Product Number: 51317--9343-SG
ISBN: 9343 2017 CP
Author: Uffe Thomsen
Publication Date: 2017
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MIC-causing microorganisms were investigated in a 16” diameter and 9.6 km long injection water pipeline. Nitrate was added to the water and pigging debris from the pipeline showed that both sulfate-reducing bacteria (SRB), nitrate-utilizing bacteria, and methanogens were present in numbers of 105 – 106 cells/g.
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Comprehensive Approach to Oxygen Corrosion Analysis of Water Injection Systems

Product Number: 51315-5962-SG
ISBN: 5962 2015 CP
Author: Troy Eggum
Publication Date: 2015
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Picture for Under-Deposit Corrosion in a Sub-Sea Water Injection Pipeline—A Case Study
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Under-Deposit Corrosion in a Sub-Sea Water Injection Pipeline—A Case Study

Product Number: 51317--8973-SG
ISBN: 8973 2017 CP
Author: Pavan Shukla
Publication Date: 2017
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This paper pertains to a study of an API 5L X-60, Carbon steel, injection water pipeline, which failed prematurely in 4 years after commissioning due to under-deposit corrosion. A detailed study was carried out to investigate the failure causes.

 
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