Read the whole story of…
…16″ heavy wall and pipe-in-pipe
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We have compiled this treasure trove of first-hand practical experience for you as a case study. There we describe our concept, our performance and the result of our ILI projects.
Pipeline Description: 16” x 10km looped oil production and produced water reinjection pipeline system. Why is it challenging? Since commissioning in 2008 this pipeline system had never been inspected before. It is difficult to inspect by means of in-line inspection tools due to presence of heavy wall thickness of 25.4mm / 27.94mm (in bends), the 16” / 20” pipe-in-pipe construction and due to no centring spacers installed at regular intervals in the PIP section. Target of the inspection: Determine the current condition and mechanical integrity of the pipeline system regarding metal loss, girth weld anomalies and other features. In addition an XYZ survey was part of the inspection to obtain a vertical profile of the line system and to get geographic coordinates of each girth weld and all other reported features.
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