Emergency Pipeline Repair System
Project
Emergency Pipelines Repair System (EPRS)
Location
Northwest Australia
Water Depth
0 - 1,350m (system rated to 2,000m)
Project Type
Emergence pipeline repair
Project at a glance
The Emergency Pipeline Repair System (EPRS) is designed to provide an emergency pipeline repair solution for pipelines located in various water depths of up to 1,350m and up to 44-inch in diameter.
Highlights
Subsea 7 developed and delivered a pipeline repair solution with the scope comprising: design, fabrication and procurement of the repair equipment and development of bespoke methodologies and procedures to be available during the life of the operated assets.
Project management, engineering and procurement support was provided from the UK and Norway.
Scope of Work
The Emergency Pipeline Repair System (EPRS) Project included the development and delivery of a pipeline repair system capable of performing:
- Straight spool repairs using telescopic connectors on pipelinesizes from 34" to 44"
- Inline repairs using structural pressure retaining clamps onpipeline sizes from 20" to 44"
- Small diameter pipeline and umbilical repairs
Project Management
- Management of all engineering, design, procurement and fabrication activities
- Management of key subcontractors• Management of all system integration testing
- Delivery of complete system and documentation
Development and Engineering
- Overall system basis design
- Design analysis including design manuals
- Repair installation analysis
- Detailed specification and design of EPRS components
- Tooling control system
Components
EPRS components supplied; fabricated, assembled and tested:
- Pipeline Flange Adaptor – 34" to 44"
- Pipeline Repair Clamp - structural pressure retainingPipeline Lifting and Alignment frames - handling loadsup to 120t
- Coating Removal Unit - concrete up to 100mm thick• Mechanical Coating Removal Tool
- Weld Seam Removal Tool
- ROV Interface Skid
- Pipeline Flange Adaptor Deployment Frame
- Flange Bolting Tool
- Flange Seal Replacement Tool
- End Preparation Tool• Deck Test System
