|
Client
|
Chevron U.S.A., Inc.
|
|
Region
|
Gulf of Mexico
|
|
Location
|
Green Canyon Block 237
|
|
Water Depth
|
2100 ft.
|
|
Pipeline(s)
|
- 12" x 17.4 mi. Oil Export
- 20" x 34.5 mi. Gas Export
|
|
Services Performed
|
Fabrication, Subsea, Pipelines, Marine Installation
|
| Contractor |
J. Ray McDermott,
Inc. |
| SeaStar®
TLP Supplier |
Atlantia Corporation |
| Award |
February, 2000 |
| Completion |
June, 2001 |
| Prod.
Capacity |
40,000 b/d
60 mmcfd |
| Project
Managers |
Ian Redfern /
Glenn Earles |
| Key
Participants |
- Racal -
Survey Array & ROV
- Oceaneering -
ROV & Pile Dredging
- Menck -
Hammers & Pile Driving
- Oil States -
Assembly
- Test, Inc. -
Topsides E & I Contractor
- W Industries -
Hull E & I Contractor
|
Description:
- Consisted of a single 58' diameter column hull with three
pontoons weighing 3,234 tons and a four leg topsides weighing
3,355 tons - both were built in Morgan City Fabrication
yard
- TLP contains process equipment and serves as the control
center
- Six piles, six tendons, hull and deck were installed in
two phases
- Four infield remote wells with flexible pipe 3,000' to
10,000' from the TLP
- Export oil SCR (10") and gas (18") toward the
north
|
 
Scope:
- Fabrication and installation of the
SeaStar* TLP piles, tendons, hull and topsides
- Hull contract consisted of a lump sum for materials and
labor
- Topsides contract consisted of a lump sum for structural
work and a composite rate for piping and equipment labor
with materials being reimbursable at JRM cost
- Recover and hang-off SCRs
Innovations:
- First TLP hull constructed by JRM
- Integration of TLP installation and J-lay deck layout
on DB50
- 16 months from project sanction to first oil
* - Registered
|
