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Pipeline Pig Stuck
ILI vendor has provided a failure report. It is suspected that the drive cups inverted going through the back to back 45's creating an "offcenter" situation prior to reaching the 90. Combination of offcenter and loss of propulsion caused the hangup. They are recommending minimizing bypass on...- adtw777
- Post #5
- Forum: Pipelines, Piping and Fluid Mechanics engineering
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Pipeline Pig Stuck
I work in an older refinery 1950's. We have old u/g piping. Inspection methods have been limited to LRUT. We have just started a pigging program to get a better handle of what our current risks are. The lines have never been pigged before from our records. We have researched the lines and...- adtw777
- Thread
- Replies: 9
- Forum: Pipelines, Piping and Fluid Mechanics engineering
