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Elizabeth Babaian Kibala: Naphthenic acid corrosion inhibitor. Nalco Chemical Company, Robert A Miller, Daniel N Lundeen, Andrew S Pryzant, October 12, 1993: US05252254 (16 worldwide citation)

Sulfonated alkylphenol is added to crude oil at 5 to 200 ppm to inhibit naphthenic acid corrosion of ferrous metal process piping and equipment in contact with the crude oil at naphthenic acid corrosion conditions. There are disclosed corrosion-inhibited hydrocarbon fluids, an improvement in hot hyd ...


2
Elizabeth Babaian Kibala, Joe S Walker, John G Hyatt, Sam Ferguson: High temperature corrosion simulator. Nalco Chemical Company, Robert A Miller, James J Drake, Patricia A Charlier, April 2, 1996: US05503006 (14 worldwide citation)

An apparatus of provided for simulating corrosion activity of a high temperature liquid stream. The apparatus includes a canister in which is positioned a plug, occupying part of the internal volume of the canister. A stream of high temperature liquid enters the canister through an inlet, flows arou ...


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Elizabeth Babaian Kibala: Phosphorus thioacid ester inhibitor for naphthenic acid corrosion. Nalco Chemical Company, Robert A Miller, James J Drake, September 3, 1996: US05552085 (12 worldwide citation)

Corrosion of the metallic surfaces of distillation columns, trays, packing, and pumparound piping used in the production of hydrocarbons can be controlled by adding a neutralized or non-neutralized thio-phosphate or thio-phosphite ester to the hydrocarbon distillate contacting the metallic surfaces.


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Elizabeth Babaian Kibala, Veronica K Braden, Michael K Poindexter, Christopher J Murphy: Corrosion inhibition in refineries using the reaction product of hydrocarbyl succinic anhydride and an amine. Nalco Exxon Energy Chemicals, Robert A Miller, James J Drake, September 17, 1996: US05556575 (12 worldwide citation)

Disclosed are a method for inhibiting corrosion in crude oil distillation towers, an improvement in crude oil fractionation, a method for dispersing iron sulfide in a hydrocarbon stream and a hydrocarbon dispersion using the reaction product of hydrocarbyl succinic anhydride and an amine. The reacti ...


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Elizabeth Babaian Kibala, John G Hyatt, Theodore J Rose: Use of sulfiding agents for enhancing the efficacy of phosphorus in controlling high temperature corrosion attack. Nalco Exxon Energy Chemicals, Robert A Miller, James J Drake, Patricia A Charlier, May 20, 1997: US05630964 (11 worldwide citation)

The invention comprises a method of inhibiting naphthenic acid corrosion in a high temperature hydrocarbon system, comprising adding to the system a corrosion-inhibiting amount of a phosphate ester and a corrosion-inhibiting amount of organic polysulfide.


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