Lifetime extension assessment of nine pipelines The scope of work Jee was approached by a major operator to carry out lifetime extension assessments (LTE) for nine of their pipelines situated in the North Sea. The pipelines were approaching the end of their design lives and our client wished to continue production. The work plan Jee completed the work in two stages, starting with the main 30” oil export pipeline, and then utilising the lessons learnt and feedback from the client, continued to assess the remaining eight in eld pipelines. The pipelines that were assessed comprised: 1 x oil export pipelines (30”) 2 x oil import owlines (6”) 2 x condensate import owlines (12” and 6”) 2 x gas life owlines (6” and 2.5”) 2 x service owlines (4”) The rst stage was to establish the curren

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