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Installation of 500-kilometre subsea pipeline system for the first development phase of the deepwater Leviathan natural gas field offshore Israel.
Company : Noble Energy
Location : Eastern Mediterranean, 130 km west of Haifa, Israel
10 – 1710 m
Water depth
Scope of work
- Installation of 2x 118-km of 18-inch gathering pipelines
- Installation of 2x 118-km of 6-inch MEG flowlines
- Installation of 5-km of 20-inch gathering pipeline
- Installation of 4x 14-inch flowlines (total 20 km)
- Installation of 10-km bundle (32-inch concrete-weight-coated piggybacked with 6-inch condensate line)
- Design, fabrication & installation of structures (13x PLETs, various crossing structures)
- Shore pull-in (Direct Pipe method) through tunnel
- Trenching & backfilling up to 60 m water depth (total 7 km)
2x 118-km
18-inch gathering pipelines
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Specials & challenges
- Design & fabrication of 13 PLETs
- Fabrication of ~40 steel crossing supports
- Supply of ~340 buoyancy blocks.
- Supply of 17.3 km of 6-inch / 18-inch VIV strakes
- Installation of 1.2-km of 56-inch Direct Pipe Drilling casing for landfall pull-in
- Supply of ~1910 half shell pipeline anodes
~40
steel crossing supports
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