Mento A pipeline

Offshore pipelay
Lorelay
Lorelay returning to Trinidad

Fast-track installation job for 16-inch multiphase pipeline connecting new and existing platform infrastructure off Trinidad’s southeastern coast.

Company: EOG Resources

Location: Southeast Trinidad

Water depth: 60 - 70 metres

5 months between contract award & start-up

First-time deployment of ‘bowstring’ start-up method

Scope of work 

  • Pre-lay & post-lay surveys
  • Installation of ~140 crossing mattresses
  • Transport & installation of 22.5-kilometre, 16-inch multiphase pipeline
  • Free flooding post-laydown
  • Spool metrology
  • Fabrication pipeline heads, roller guides etc
Start-up next to Mento A platform

Specials & challenges 

  • Short lead-in time (5 months between contract award & arrival of vessel in field)
  • Pipeline start-up at Mento A platform in 70 metre water depth
  • First-time deployment of ‘bowstring’ method to initiate pipelay
Mattress installation as part of pre-lay scope
Bowstring start-up next to Mento A platform
16-inch multiphase pipeline
Approaching Pelican platform
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