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Anomaly in Casing Removed – Isolated by the IsoTool

Jordan Dyck Integral Pipeline Technologies


Client requested

An in-line inspection revealed an anomaly in a casing that ran under rail tracks and a busy highway.  Rather than perform an HDD the client decided to isolate the section of pipe, pull it out, and replace it with new pipe in the existing casing. 



Understanding the best solution

The client called upon Integral and the 16” IsoTool to plug off the DS side, while using a mainline valve as the US isolation point.  



Planning and delivery

The IsoTool was tracked and successfully parked DS of the cut-out area.  Once the IsoTool was set, the client drained up 550’ of pipe, and cut out the 300’ section in the casing.



Service completion report

Many comments were made about how much simpler this method was than conventional means.  Minimal downtime was critical and a purge would have created an outage that was not ideal and leaving a full-bore tap fitting on the line was also not desirable.  The IsoTool controlled both of these problems with a “simple” solution.





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