HomeMagazine2021November 2021, Vol. 248, No. 11Using Isolation Plug in Remote Area Pipeline Rerouting Project

November 2021, Vol. 248, No. 11

Features

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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