June 2019, Vol. 246, No. 6

Tech Notes

Hot-Tapping, Plugging Enable Shutdown-Free Pipe Replacement

Pipeline solutions provider T.D. Williamson (TDW) paired its SmartPlug isolation system with hot-tapping and plugging (HT&P) services to enable a pipeline replacement at a Saudi Arabian industrial plant while the facility remained in service. The 20-inch pipeline, which transports fuel oil 11.5 miles (18.5 km) to a water desalination and power generation facility, required pipe spool replacements at two underground road crossings. To avoid interrupting the plant’s operation during the replacement project, TDW performed seamless back-to-back, double-block in-line isolations at each road crossing, using two remote controlled, non-intrusive SmartP

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