1991/12/01 by C. de Waard, U. Lotz, D.E. Milliams · 1 citation
Chemistry · Engineering · Materials Science · #Corrosion Behavior and Inhibition #Petroleum Processing and Analysis #Structural Integrity and Reliability Analysis
paper · doi:10.5006/1.3585212
crossref issued 1991/12/01 · crossref published 1991/12/01 · crossref published-print 1991/12/01 · openalex publication_date 1991/12/01 · crossref created 2011/06/06 · openalex created_date 2016/06/24 · crossref deposited 2025/03/18 · crossref indexed 2026/07/30 · openalex updated_date 2026/07/31
Starting from a “worst case” corrosion rate prediction with the deWaard-Milliams equation, correction factors can be applied to quantify the influence of environmental parameters and corrosion product scale formed under various conditions. Equations are proposed for each factor. A low-temperature scale formed in condensing water can cause a reduction in the top-of-the-live corrosion rate in pipelines. At higher temperatures, a more protective scale forms even under high liquid flow rates. The decrease of corrosion rates caused by dissolved Fe is accounted for with a pH correction factor. The effect of the presence of a liquid hydrocarbon phase is included. Equations are presented that enable the effect of glycol injection on corrosion to be calculated along the length of a pipeline. Combinations of effects in the model are discussed.