CASE STUDY TEMPLATE Compiled by: C Schimper Approved by: M Edwards Revision :A Document number: SD020 Effective date: 14/11/2016 1 Page Crude oil The 14'' Crude line that supplys to the refinery was inspected and noted that severe external pitting corrosion was found on the contact areas where the pipe meets the concrete sleepers. 178 support sections where identified with 27 that had major wall thinning. Major findings had wall losses of approximately 70percent. 2 7mm wall left from an original 9 52mm SERVICE: Line size Design Pressure Operating Pressure Design Temperature Operating Temperature Material Line Class Sa 106 GrB 31,5 Bar CASE STUDY NUMBER: DESCRIPTION: CLIENT: Case Study 35 14'' Crude line support wraps SAPREF 14'' 2,59 Bar 60Deg C 26 Deg C ANOMALY DESCRIPTION: ROOT CAUS

Join for free to read