Solving problems caused by other solutions. Petrochemical plant In Texas City, Texas, a petrochemical plant had a 600-tube exchanger with a majority of its tubes blocked—many for over 10 years. The culprit was a core of catalys surrounded by crysallized coke. Previous attempts to drill through the blockage had resulted in nine drill bits being los inside. The efciency of the entire exchanger was so poor, the plant decided to replace the unit. Then they called us. After initial evaluation and set-up, we cleaned all 600 tubes in fve hours. We found the nine missing drill bits, plus some los brushes and sainless-seel plugs that were inside. In less than a day, the unit was back online and operating at peak efciency. We saved our cusomer the $500,000 they would have spent on a new exchanger, p

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