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Displaying records 135 through 135 of 2180
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Title: A system for positioning and monitoring isolation-pig trains
Category: Pigsource Papers
Downloadable: Yes 
Catalog No.: pg3196e
Date of Publication: 1994
Price: $25.00 US
Authors: Graham A Hutt, M Collar
Abstract: A variety of techniques may be employed for such operations, including: tapping and plugging, tethered and untethered pigs, high-differential pigs, and remote-circulation pipefreezing. This paper concerns the development of an autonomous-isolation pig (AIP) capable of being driven through an oil or gas line over extended distances, and remotely positioned.
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