Scope
The repair had the following specifications:
| Structure | Drencher System (1" and 2") |
| Class Approval | DNV |
| Design Pressure | 16 bar |
| Design Temperature | 90 °C |
| Design Code | ASME B31.1 |
| Schedule / Wall Thickness (WT) | 2.5mm |
| Flange materials/specification | EEMUA 145 (CuNi) |
| Geometory | Various built up on deck |
| Defect Details | External damage to multiple locations |
Overview
A drencher system had suffered significant impact damage in multiple locations on a floating production system (FPSO). A combination of spools were cut and installed on the offshore facility using Quickflange.
The installation was completed over a 5 day period without impacting on hydrocarbon production as there was no requirement for hot work.
Solution
- Turnkey solution provided to client with engineering, drafting and spool fabrication completed onshore followed by installation offshore using Quickflange.
- Multiple locations were completed quickly and with reduced cost impacts.
Benefits
- No hot work
- Short time on site, 5 days with 2 technicians to complete 5 spools replacements and 14 flange installations.
- DNV approved and ASME code compliant
Project Images
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