November 2015, Vol. 242, No. 11

Features

ILI Offers Technology that Will Continue to Advance

There are about 3.5 million kilometers of oil and gas pipelines worldwide needing regular cleaning, inspection and maintenance, according to the U.S. Energy Information Agency (EIA). A pipeline’s insides are increasingly subject to inspection by smart pigging devices (known as inline inspection tools, intelligent or smart pigs) to detect corrosion, wax deposits, cracks and more. Smart or intelligent pigs are tools that run in the pipeline with integral sensors that detect, record and store details about the condition of the pipe for central analysis to guide maintenance and repair activities. Inline inspection (ILI) tools house a variety of technologies that have specific “miss

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