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Displaying records 2137 through 2137 of 2153
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Title: Why pig a pipeline?
Category: Pigsource Papers
Downloadable: Yes 
Catalog No.: pg3030e
Date of Publication: 1990
Price: $25.00 US
Authors: Dr A Palmer and T Jee
Abstract: Why pig a pipeline? This paper introduces a number of reasons for doing so, together with a discussion of the advantages and alternatives. In general terms, however, pigging is not an operation to be undertaken lightly. There are often technical problems to be resolved and the operation requires careful control and coordination. Even then, there is always a finite risk that a foreign body introduced into the pipeline will become lodged, block the flow and have to be cut out with all the operational expense and upset which would accompany such an incident. The pipeline operator must therefore give serious consideration to whether his line really needs to be pigged, whether it is suitable to be pigged, and whether it is economic to do so.
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