Oil and Gas Production - Nonmetallics and Wear Coatings (Metallic)

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The Oil and Gas Non-metallics & Coatings Technical Community of Interest is a group of people (both AMPP members and nonmembers) who have come together for the purpose of furthering a common cause by sharing wisdom, knowledge, information, and/or data for evaluation and methods of proper usage of nonmetallic materials for all types of equipment used for oil and gas production.

 Effect of dry CO2 on epoxy surface condition

Andrew Lindsay's profile image
Andrew Lindsay posted 11-06-2023 02:25 AM

Hello to all,

I have a rather intriguing (to me) question.  Would you consider a dry gas mixture (65% methane, 35% CO2) in non-condensed phase operation (199 bar, 30C) to be detrimental to the surface performance of an epoxy flow efficiency coating?

I am struggling to identify a degradation mechanism that would degrade the surface of an epoxy coating.  I understand that at those conditions, any water or acid gas would be extremely corrosive to any steel, but given the caveat that the system remained dry (-10C dew point), is there a credible degradation mechanism I should be concerned about, or test for, should I be driven down the road of testing?

best regards

Andrew