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Mooring JIP Makes Recommendations


ABS Consulting, an affiliate of ABS, has been managing the U.S. Gulf of Mexico Mooring Strength Reliability (MODU JIP) joint industry program. The project nears completion and recommendations have been incorporated into the American Petroleum Institute’s API 95F Recommended Practices available for free download

John Stiff
      (View larger image)

John Stiff
Senior Consultant
ABS Consulting


Contact John Stiff, ABS Consulting, for more information about the JIP.

To learn more about ABS Consulting’s offshore capabilities, visit their website.

Major undertakings in the JIP included a metocean study and a failure analysis of rig performance in hurricanes Rita and Katrina. A consequence modeling spreadsheet was developed in order to help predict the consequences of a mooring failure. A deterministic mooring analysis matrix was also developed. The JIP addressed overall mooring design and MODU operations including:

  • Site and well-specific data
  • Design criteria for the mooring
  • Indicative GOM hurricane extreme metocean conditions
  • Mooring analysis
  • Site-specific risk assessment and mitigation
  • Mooring hardware issues such as anchor system and mooring system upgrade
  • Mooring operation issues such as deployment, hurricane preparedness, and inspection



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