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Project Number 593
Date of Summary March 20, 2009
Subject Evaluate and assess the performance of jackup rigs that were subject to Hurricanes Katrina or Rita
Performing Activity Offshore Risk & Technology Consulting, Inc
Principal Investigator Dr. Malcolm Sharples
Contracting Agency Minerals Management Service
Estimated Completion Completed
Description

In August and September 2005 Hurricanes KATRINA and RITA came through two of the main exploration and production areas of the Gulf of Mexico. These hurricanes permanently removed five jackups from service, with damage sustained to another 13+. A total of 23 jackups are said to have sustained minor to extensive damage. Early reports indicated 19 MODUS became adrift (both jackups and semi-submersibles). Several of those were swept away and floated through the important oil and gas infrastructure of the GOM prior to grounding or being taken under tow.

Phase I documented significant damages to jackups in Hurricanes Katrina and Rita and analyzed the cause of jackup casualties with respect to current industry standards.
Phase II developed a risk-based checklist on which to base jackup location evaluations to minimize damage to "high consequence" platforms and pipelines as a result of jackup collapse or drifting.

Progress Phase I has been completed and Phase 2 is underway.
Reports
AA Port Mortem Failure Assessment Of Jack-up MODUs During Hurricanes Katrina & Rita. Offshore:Risk &Technology Consulting Inc., April 2008
AB Jack-up MODUs Assessment Checksheet Background Report. Offshore:Risk &Technology Consulting Inc., March 2009
AC Jack-up MODUs Assessment Checksheet. Offshore:Risk &Technology Consulting Inc., March 2009

 

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