Rig Moving

The movement and relocation of Mobile Offshore Drilling Units is a regular feature of Offshore Marine Operations and ensuing these are undertaken in a safe, efficient and economically sound manner is a key service offering from LOC. The related services LOC offers clients are:

Marine Warranty Survey (MWS)

  • Review and approval of intended rig locations – both Semi -Subs and Jack-Us.
  • Engineering reviews of technical documentation e.g. Mooring Analysis, LPA, Sea-fastening and Cribbing for Dry Transports
  • Site attendance as MWS during rig moves – normally only required for Jack-Ups are JRC Guidelines
  • MWS suitability inspections and approval of supporting vessels.
  • Approval of 3rd party or in-house Tow Masters

Marine and Engineering Consultancy Services

  • Production and/or review of marine procedures in line with latest industry guidance
  • Planning and/or supervision of rig move operations as Tow Master or Company Representative
  • Production of technical analyses and studies, including mooring analysis, Jack-up rig footing penetration/punch through analysis, rig feasibility studies and environmental studies for rig locations
  • All aspects of towage planning including procedure development, tow resistance calculations, stability and motions response analysis, tow vessel surveys
  • Rig mooring analysis
  • Offshore Vessel / Tug suitability and condition surveys
  • Risk Assessment and Facilitation Services
  • Gap analysis e.g. ERRV requirements when moving from UK to Norway.

In addition to the Rig Location & Rig Move services LOC has the expertise to support a wide range of the other operational services required for modern MODU operations such as:

  • Condition and Valuation Surveys
  • Reactivation surveys
  • Damage surveys
  • Incident Investigations
  • Scrap voyage surveys and assessments
  • Full range of DP Services including FMEA production, annual trials, production of ASOG’s etc.

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