New pipeline leak detection pig
Journal Article
·
· Pipes Pipelines Int.; (United States)
OSTI ID:6748989
The Pressure Spy, a new pipeline pig developed by West Germany's Dr. Hans Goedecke KG, reliably and quickly locates leaks occurring during hydrostatic pressure tests in long-distance underground pipelines. Pumped by means of liquid or gas pressure to a predetermined position in the line, the pig seals the pipeline with respect to small pressure differentials and sends signals to the outside, which aid in locating the pig and determining in which direction from the pig the leak is to be found. An assessment of the technique points out that all possible sizes of leaks can be located with the same tool in all pressure fluids without additional cutting or welding on the pipe or damage to the insulation.
- OSTI ID:
- 6748989
- Journal Information:
- Pipes Pipelines Int.; (United States), Journal Name: Pipes Pipelines Int.; (United States) Vol. 21; ISSN PPIIA
- Country of Publication:
- United States
- Language:
- English
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