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  1. PaoF

    When use PWHT for offshore oil and gas pipelines?

    All clear now, many thanks!
  2. PaoF

    When use PWHT for offshore oil and gas pipelines?

    I see. But would the time cost be an issue if the PWHT was handled by the pipe mill directly? I am referring to the longitudinal well here Many thanks!
  3. PaoF

    When use PWHT for offshore oil and gas pipelines?

    Many thanks for your help. So it is fair to say it is often (always in the US) used for LSAW pipes with WT above 32mm? Would a double-seam allow to do without?
  4. PaoF

    When use PWHT for offshore oil and gas pipelines?

    Hi everyone, Apologies for the basic question. It would be great if someone could help I am trying to understand when/how much PWHT is used in offshore pipelines. I had different indications from different people (never used/used often on the weld/not used on the weld up to WT of 1.5" but maybe...

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