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corrosion inhibitor - Newly constructed pipeline

corrosion inhibitor - Newly constructed pipeline

corrosion inhibitor - Newly constructed pipeline

(OP)
Hi all,

Is it recommended to run a batch of corrosion inhibitor (oil-based for instance) after hydrostatically testing a pipeline with a water/methanol mixture in case the pipeline commissioning is delayed or a pipeline drying may be sufficient to get rid of the water/methanol mixture?

Thank you,

Sam

RE: corrosion inhibitor - Newly constructed pipeline

Need more detail- how good will this drying be and obviously length and geometry- is there potential for biological activity and thereby corrosion.
If this is a significant pipeline, why is the owner really trusting you alone to handle this most important intermediate stage?

RE: corrosion inhibitor - Newly constructed pipeline

Probably best to close this thread and refer to the same post in pipelines & piping

Steve Jones
Materials & Corrosion Engineer

http://www.linkedin.com/pub/8/83b/b04

All answers are personal opinions only and are in no way connected with any employer.

RE: corrosion inhibitor - Newly constructed pipeline

(OP)
To cloa (Petroleum)

"how good will this drying be"

That's the question

RE: corrosion inhibitor - Newly constructed pipeline

Then it's down to the installation specification to set the drying acceptance criteria and field monitoring to verify that the criteria have been met.

Steve Jones
Materials & Corrosion Engineer

http://www.linkedin.com/pub/8/83b/b04

All answers are personal opinions only and are in no way connected with any employer.

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