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  1. UJJ

    Subsea Pipeline(DNV) Repair, Maintenance, corrosion prevention method

    Thank you for your reply. It's for for crude oil buoy system. I'm doing a Level 3 FFS Assessment (API 579), but Is there other proper integrity assessment method for DNV pipeline? Actually, there's no designated input factor for DNV designed line at API 579.
  2. UJJ

    Subsea Pipeline(DNV) Repair, Maintenance, corrosion prevention method

    -> I'm conducting FEA/FFS Analysis. But, according to the average corrosion rate calculated according to the inspection results, it is predicted that many corrosion areas exceeding the MRT in the DNV Code will occur within a few years. -> Crude Oil -> 42inch O.D. and Nominal 17.5t -> API 5L...
  3. UJJ

    Subsea Pipeline(DNV) Repair, Maintenance, corrosion prevention method

    Dear All. I'm writing to inquire about repair methods for long-distance subsea pipelines designed according to the DNV Code. The pipeline in question is currently covered by protective rock armor, and internal corrosion has been deteced in certain areas based on IP inspection results. It has...

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