March 2018, Vol. 245, No. 3

TechNotes

Use of Pigging Tool Avoids Blowing Down 25-Mile Pipeline

When a multinational an energy and services company planned to decommission an onshore gas terminal in northwest England, it required a fast, total solution that would avoid depressurizing and blowing down a 25-mile (40-km), 36-inch gas pipeline that runs from an offshore field through north and south sub-terminals prior to feeding into the United Kingdom’s gas transmission network. With the goal being to complete decommissioning safely and quickly, and minimize potential disruptions to the supply schedule, the solution taken was the SmartPlug inline isolation tool from T.D. Williamson (TDW). The is a remotely controlled, piggable pipeline pressure isolation device that allows pipeline sec

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