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08344 Experimental Evaluation of Corrosion Inhibitor Performance in Presence of Iron Sulfide in CO2/H2S Environment

Picture for 08344 Experimental Evaluation of Corrosion Inhibitor Performance in Presence of Iron Sulfide in CO2/
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Product Number: 51300-08344-SG
ISBN: 08344 2008 CP
Author: Mohsen H. Achour, Juri Kolts, Phillip Humble, and Roger L. Hudgins
Publication Date: 2008
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$20.00
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When iron sulfide (FeS) film coats a carbon steel surface, it can affect the extent of corrosion and corrosion inhibition in several ways. A new laboratory experimental set up has been designed and used to study such effects. The apparatus provides various techniques of measuring the corrosion rate of FeS coated and uncoated steel surfaces in presence of an oil/brine solution containing CO2 and H2S. The film is built in-situ by two distinct methods, either through reacting the H2S present in the system with an iron chloride (FeCl2) aqueous solution injected into the corrosion cell at a desired level, or by pre-corroding the steel surface with a CO2/H2S saturated uninhibited brine. The newly designed set up was validated in terms of the system dynamics, the iron sulfide film formation and deposition, the H2S safety controls/monitoring and the corrosion measuring techniques installed in the system.
When iron sulfide (FeS) film coats a carbon steel surface, it can affect the extent of corrosion and corrosion inhibition in several ways. A new laboratory experimental set up has been designed and used to study such effects. The apparatus provides various techniques of measuring the corrosion rate of FeS coated and uncoated steel surfaces in presence of an oil/brine solution containing CO2 and H2S. The film is built in-situ by two distinct methods, either through reacting the H2S present in the system with an iron chloride (FeCl2) aqueous solution injected into the corrosion cell at a desired level, or by pre-corroding the steel surface with a CO2/H2S saturated uninhibited brine. The newly designed set up was validated in terms of the system dynamics, the iron sulfide film formation and deposition, the H2S safety controls/monitoring and the corrosion measuring techniques installed in the system.
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