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Construction of 18-inch oil and gas export pipeline connecting the ultra-deepwater Whale field with existing platform and pipeline infrastructure in the southern Gulf of Mexico.
Company : Williams Field Services Group
Location : U.S. Gulf of Mexico, 320 km southwest of Houston
2700 m
Max. water depth
Scope of work
- Design, fabrication & installation J-mode (2x PLETs, 1x PLEM) and S-mode (1x ILS and 1x dual ball valve assembly) structures
- Installation of ~250-km of 18-inch export pipeline
~250-km
of 18-inch export pipeline
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Specials & challenges
- Water depths ranging from 100 m to 2700 m
- Handling & transportation of ~20,500 pipe joints
- Peak lay rate of 7.65 km/day (fastest lay rate by Solitaire in past 10 years); average production lay rate of 6 km/day
- In-house developed NDT system Dolphin trialled offshore for the first time
- Installation of in-house designed and produced VIV strakes (3 km on the pipes)
- New Allseas PLET installation depth record (2615 m)
- One of the deepest pipelines ever installed (18-inch pipe / 2650 m water depth)
2615 m
Allseas PLET installation depth record
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