K. R. Ferguson Chevron U.S.A. Inc. Midland, Tex. A. G. Stutheit Chevron U.S.A. Inc. Lafayette, La. Use of complete in situ weld overlay to repair large process vessels in corrosive service has proven cost effective and technically feasible. The dual units are located in a hot potassium carbonate CO2 treating plant located on the Sacroc unit near Snyder, Tex. The unit is operated by Chevron U.S.A. Inc. This procedure was performed in lieu of other corrosion solutions or repair alternatives that offered less security, worse economics, or both. Both vessels were reentered after at least 1 year of operatio...

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