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Stephen M Jacob

Jack D Miller

Eric N Freeman

Tony R Garrison

Gregory L Puckett

Charles D Calkins

Phillip K Morrison

Gary D Goins

Bryan W McDonald

A method of plugging a pipeline includes the steps of welding onto the exterior of the pipeline () first () and second () spaced apart collars, each having a sealing face (A) in a plane perpendicular the pipeline () axis. A containment housing () is affixed by welding to the collars () to fully encompass a section of the pipeline () between the collars (). A tapping () machine is then removably attached to an open top of the containment housing (). Using the tapping machine () a short length of the pipeline () is cut and removed from between the collars () leaving two open exposed pipe ends (). First and second seal elements () are positioned between the collars (), Each having a forward sealing face. The seal elements () are forced apart from each other into sealing engagement with the collar sealing faces thereby closing the open, exposed ends () of the pipe ().

Apparatus, systems and methods for plugging a high temperature pipe

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Clinton, LA, United States of America

Stephen M Jacob