The heat exchanger was subjected to thermal cycling that caused a crack to appear at the edge of the expansion joint
Category Archives: Repairs to large diameter pipelines
18” cooling water leak
The 18” Cooling Water line had suffered from severe external corrosion.
24” leaking discharge valve
The 24” line had suffered from severe internal erosion resulting in a through-wall slot defect at a lap joint flange.
18” Water Injection Line
The 18” water injection riser clamp joint had suffered from movement inside the retaining clamp when operating at high pressure.
30” Corroded Natural Gas Line
A long section of this line is suffering from multiple external corrosion scabs resulting in a minimum remaining wall thickness of approximately 14-18mm.
20” leaking Seawater filter line
During normal operating conditions a seawater leak was identified on the seawater supply line.
8″ Steam Header
The 8” steam header had suffered from internal erosion causing a through wall defect.
Water Seal on outside of Flare Vessel
The water tank had suffered from possible internal acid corrosion.
24″ & 30″ Crude Oil Line Leak
The 30” Crude oil line had suffered from (CUI) external corrosion.
48″ Sea Water Line
The 48” Cooling Water line had suffered from external and internal corrosion.
