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Marine Operating Manuals

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Marine operating manuals contain information that is vital to the operation and safety of a vessel or offshore drilling/production unit. It is therefore vital that the manual be presented in a format that is consistent with the current operator's operating procedures and that its contents be kept up to date at all times. This is especially important in cases in which the unit has changed hands or if major repair or upgrade work has been performed.

Bennett Offshore provides services relating to the reformatting and updating of marine operating manuals for jack-ups, semisubmersibles and SPAR-type units. We are proud to have assisted clients such as ENSCO, Rowan and Transocean in the reformatting or updating of their marine operating manuals on a variety of drilling and production units. We are confident in our ability to assist your company in your operating manual needs.

REFORMATTING SERVICES

As drilling or production units change hands, it is vital that new owners have manuals that conform to their unique operating procedures and format. Many owners and operators have preferred formatting and a standardized presentation of information. This ensures that all unique information required by each different owner is included in the manual, and allows for crews that are already familiar the owner's standard format to quickly locate pertinent information.

Bennett Offshore will assist owners and operators in reformatting existing manuals to produce documents that conform to their unique requirements.

UPDATING MANUAL INFORMATION

Unit upgrades commonly require the updating of pertinent information in operating manuals and also its approval from the classification society. As a company that provides engineering services to the offshore industry, Bennett & Associates is equipped to perform the engineering work required to update the manuals. These include (but are not limited to):

  • Class approval
  • Updating of figures and drawings
  • Updating of nomograms for jack-ups
  • Updating of stability curves & damaged conditions
  • Deck loading plans & loading cases
  • Inclining & deadweight/lightship information
  • Going-on-location information
  • Structural & mooring analysis
  • Evaluation of motions

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  • Added in 2026

    Questions about operating manuals

    Which kinds of unit did Bennett write manuals for?
    Jack-ups, semisubmersibles and spar-type units, according to the page above, with ENSCO, Rowan and Transocean named as clients.
    Why reformat a manual when a rig changes hands?
    New owners have their own procedures and preferred layouts, and crews who know an owner's standard format find information in it faster.
    What is a nomogram?
    A chart that lets the reader find one value from two or more others by laying a line across scales. The page above lists updating nomograms for jack-ups as one of the jobs that follow an upgrade.

    Our note on marine operating manuals goes through the required contents section by section, and the Ocean Ranger disaster shows what a missing ballast procedure can cost.