Project

Marathon/AMPCO Subsea Campaign 2022 - Equatorial Guinea

 

Client

Marathon Eq. Guinea Prod. Ltd (MEGPL)

Atlantic Methanol Prod. Co. (AMPCO)

 

Rana Scope of Work

  • Retrofit anode installation on jacket structure
  • Caissons and spools inspection
  • Freespan correction
  • Subsea loading hose replacement
  • PLEM shutdown valve replacement
  • Mooring buoy replacement
  • Spar buoy replacement
  • Maintenance activities (CP, UT, cleaning)

 

Project Data

Location

Punta Europa, Equatorial Guinea

  • Berth 1: water depth 0-37m
  • Berth 2: water depth 0-37m
  • Alba field: water depth 38-77m

Dates

10/05/2022 to 12/07/2022

Diving techniques

  • Saturation Diving
  • Air Diving

Duration

64 days

Resources

Vessel

  • MSV Bourbon Evolution 802

  

   

Diving Systems

  • Saturation (Bell) Diving System AF05
  • Deck Decompression Chamber
  • Air Diving System c/w LARS

Personnel

  • Diving team: 37
  • ROV team: 6
  • Survey/positioning team: 2
  • Construction team: 9

 

Main equipment

  • Hydraulic torque tools
  • Water jet
  • WROV UHD
  • Chain lever hoists / tirfors
  • Lifting and rigging