Regarding the issue of internal corrosion caused by carbon dioxide
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Oil field wastewater or crude oil containing water suffers from severe internal corrosion due to the presence of carbon dioxide. How can experts solve this problem?
This is possible, but the cost is very high
It can be used as an anti-corrosion coating; polymer-based anti-corrosion coatings should be capable of fulfilling this role.
How severe is the corrosion? Send some photos to take a look.
Does the added corrosion inhibitor not work? Corrosion inhibitors are added to oil field water
Material selection, additives, inner coating of the pipe wall, and regular corrosion testing – these are the main aspects involved
Carbon steel pipes can be used, with a PO lining applied to them; since the crude oil isn’t very hot, this method is the most suitable. We are in the Karamay oil field, and this type of material is used for the oil transport pipelines there
Considering the overall cost, whether to add a corrosion inhibitor or choose stainless steel depends on which option is more suitable.
Lined pipes can be used; the Karamay oil field in Xinjiang employs this material