|
Client
|
Shell Offshore, Inc.
|
|
Region
|
Gulf of Mexico
|
|
Location
|
Garden Banks 426A
|
|
Water Depth
|
2860 ft.
|
|
Pipeline(s)
|
- 12" x 72 mi. oil
- 12" x 36 mi. gas
|
|
Services Performed
|
Project Management, Fabrication, Pipelines, Marine Installation
|
| Award |
August, 1990 |
| Completion |
March, 1994 |
| Project Managers |
Vic Gibson |
| Key Participants |
- Tidewater Marine-
Towing
- Sonsub-
ROV
- John E. Chance & Assoc.-
Survey & Positioning
|
| Prod. Capacity |
100,000 b/d oil
300 mmcfd gas |
| Reserves |
220MM bbs
2/1 Oil/Gas Ratio |
|
Scope:
Multi-services contract with J. Ray McDermott being responsible
for:
- Fabrication of deck
- Offshore mating of Auger hull and deck
- Installation of lateral mooring system
- Connection of Auger TLP to lateral mooring system
- Tendon assembly, installation and TLP tendon tensioning
- Installation of 12" Oil & Gas Sales Pipeline
Innovations:
- Box girder and node fabrication techniques
- Float-over mating in open water
- Tendon assembly and installation
- Lateral mooring system installation
- Pipelay utilizing S-Lay and J-Lay techniques
Technology:
- World's first application of J-Lay pipelay technology
- Set Gulf of Mexico pipelay water depth records at time of construction
- Largest single piece deck fabricated by J. Ray McDermott
|
