K. R. Ferguson Chevron U.S.A. Inc. Midland, Tex. A. G. Stutheit Chevron U.S.A. Inc. Lafayette, La. Complete in situ weld overlay to repair large process vessels in a hot potassium carbonate CO2 treating plant has proven cost effective and technically feasible. Chevron U.S.A. Inc. employed the approach at its Sacroc unit near Snyder, Tex. This is the second of three articles which discuss in detail the various planning, execution, safety, and quality-control considerations for success of this 6-month project. The first appeared in OGJ, Dec. 2, 1991, p. 54. LACK OF PRECEDENTS From a technological standp...

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