November 2016, Vol. 243, No. 11

Features

High-Pressure CO-2 Pipeline Isolation Breaks New Ground

Pipeline engineering specialist STATS Group completed the world’s first leak-tight double block and bleed isolation of a high-pressure CO-2 pipeline system. The project, on behalf of Kinder Morgan, was part of a pipeline intervention and isolation operation on a high-pressure, 30-inch carbon dioxide pipeline extending over 500 miles from southwestern Colorado to Denver City and operating at 2,140 psi. The primary thrust of the project, which took place as part of a larger initiative to convert a non-piggable pipeline into a piggable pipeline, was to install full-bore inline valves and retrofit pigging launchers and receivers into the pipeline system. The installation of a 24-inch bypass pi

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