April 2017, Vol. 244, No. 4


STATS Group Completes Isolation of 42-inch Subsea Pipeline

Engineers at STATS Group had a hat trick of challenging issues to overcome when commissioned to isolate a 42-inch subsea pipeline in the Middle East. The dead leg pipeline was housed within an oil storage tank. The national operating company was concerned the integrity of the pipe was suspect after irregular flow characteristics were spotted. The operator was concerned that unless the pipeline was successfully isolated, the problem would worsen over time with the potential for water contamination of the oil to be exported. Aberdeen, Scotland-based STATS Group had to overcome three main challenges. First, as the pipeline was constructed of thin wall pipe, consideration needed to be given to

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