| Offshore Repair Of A Riser Pipe | | | Industry:Oil & Gas (OILG) | | | Application:Valves, Pipes and Fittings (VPF) | | | Customer Location:Ivory Coast | | | Application Date:May 2014 | | | Application Situation:12" T-pipe on an FPSO. | | | Problem:Cavitation near the flange, erosion between flange and T-section. Surface preparation created through-wall defects because of the thin remaining thickness of the pipe at some points. | | | Products:Belzona 1121 | | | Substrate:Steel | | | Application Method:In this case of emergency, an internal repair has been carries out first with Belzona 1121 in accordance with Belzona Know-How system leaflet VPF-1. Then a plate has been bonded on the through wall defect using the system leaflet VPF-11. To finish the repair, a reinforced wrap has been applied with Belzona 1121 and Belzona 9341. As the customer wanted a compliant repair, a Belzona SuperWrap system was designed and applied atop. | | | Belzona Facts:Due to the situation of the pipe and the explosive environment, Belzona products permitted a cold repair and a quick return to service which saved a substantial amount of money. | | | Photographs Description
- Before repair
- During internal application
- External repair - plate bonding
- Finished repair
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