Rolf Gunnar Lie

Innovation Brings Pipeline Back to Normal

T.D.Williamson
T.D.Williamson
Before the operator of a gas export pipeline offshore Asia could isolate the line and replace leaking pig trap valves on their platform and perform in-line inspection (ILI), they had to remove a serious obstacle: a cleaning pig that had stalled just beyond the pig launcher. Because there is no standard tool for recovering a stalled pig, at least...