November 2021, Vol. 248, No. 11


Using Isolation Plug in Remote Area Pipeline Rerouting Project

Special to P&GJ    A multinational pipeline company in Canada recently contacted STATS Group to provide leak-tight double block isolation of a 24-inch crude oil line that required to be rerouted because of terrain stability issues.   Photo: STATS This complex and challenging project required the isolation plug to be pigged 64 miles (103 km), continually tracked and accurately positioned at the isolation location for the tie-in hot works to be completed within a 48-hour shutdown.   Data gathered from regular inline inspection (ILI) runs identified integrity issues. To restore integrity to the line, a new 8-mile (13-km) section of p

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