A lifetime is relative to life's conditions. When conditions in the industry change, we are ready to reanalyse the situation. We assess the lifetime and load capacity of installations, whether they are to be modified, totally rebuilt, or used in a different way than before.
As oil is collected up from the reservoir, the seabed may sink accordingly, making it important to constantly reanalyse the effects caused by increased subsidence. A platform like Quarters on the Valhall field may experience as much as 6-8m seabed subsidence from the 1980's and until today.
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