Pig catcher joint developed by Northern Natural Gas Co eliminates flight of 415-lb big-inch pig through air; catcher joint is made of pipe 40 ft long; upstream end of pipe is slotted; slots are sized to permit air traveling ahead of pig as well as gas behind pig to escape; diagrams.


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    Title :

    Catch joint prevents flight of pig


    Additional title:

    World Oil


    Contributors:

    Published in:

    World Oil ; 134 , n 7


    Publication date :

    1952


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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