CASE STUDY: Real-Time Operations Advantage of using EM tool for corrosion evaluation in real time intervention Challenge ? A Middle East operator has an old well with a leak from an extensive corroded 7" and 9 5/8" casing. They installed 5” liner back in 2002 hoping that the leak will be stopped. ? The request is to check and monitor the corrosion status in 7” and 9 5/8” casing and also to check whether the corrosion did extend to 5” liner. ? This was a high priority job as the work over rig was on stand by and needed a decisive answer to plan and act a remedial action accordingly Solution ? A team of GoWell personnel with wide expertise and knowledge regarding the well monitoring and intervention proposed to use MTD tool (Magnetic Thickness Detector). The

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