E&I Interconnection of Subsea Flowlines
Project Name
Triton-Goldfinger Subsea Tieback
Location
Offshore Mississippi Canyon Block 773
Type
E&I interconnect of subsea flowlines for a floating SPAR platform
Size
120’ x 120’ Three Level Skid
Environment
Offshore Floating SPAR Marine environment
Year Awarded
2007
Project Value
$1.5 M
Scope (Brief)
Electrical & Instrumentation interconnect of two subsea flowlines, chem-injection, TUTU plate, PLC panel
Status
Delivery & Start-up 2008
Project Description
This project for the Triton and Goldfinger fields is in the Gulf of Mexico at Mississippi Canyon Block 773, in ultra-deep water depths over 5,000 feet.
The Triton and Goldfinger fields were satellite discoveries developed as subsea tie-backs to facilities at the Devils Tower SPAR platform.
TEST, NATCO’s Automation and Controls Segment provided engineering design and fabrication for the electrical and instrument interconnect for two subsea flowlines. The project included modifications for a chemical injection skid, fabricating a TUTU plate, fabricating a PLC panel, and various junction boxes, cabling and tubing.
The project was successfully implemented with the platform in operations, with minimal interruption for services.
Scope of Supply
TEST Automation & Controls provided equipment and services, including design and fabrication for the electrical and instrument interconnect for two subsea flowlines for tie back of the Triton and Goldfinger fields to the Devil’s Tower platform in Deep Water Gulf of Mexico. Scope included chemical injection unit modifications TUTU plate design and fabrication, PLC panel design and fabrication, as well as junction box terminations, cabling, and tubing.
The project was managed between TEST offices in Houston, TX and Harvey, LA, with US fabrication. Services were provided by TEST Services personnel offshore for commissioning and hook-up.
Milestones
- Project Awarded-2007
- Fabrication Completed-2008
- Service Provided-2008
- Successful Start-up-2008
Achievements
- Technical challenges for design and modification of existing equipment were completed successfully
- Additional space and weight savings were achieved for this platform
- Project was completed on-time and on-schedule with zero safety incidents or accidents
- Services were completed with high satisfaction leading to the award of additional tie-back projects related to this field