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2. Pigging - Wikipedia

   en.wikipedia.org/wiki/Pigging

   The wire brush encircles the shaft and scours the interior of the pipeline. A scraper pig shown at the Trans-Alaska Pipeline System Visitors Center. In pipeline transportation, pigging is the practice of using pipeline inspection gauges or gadgets, devices generally referred to as pigs or scrapers, to perform various maintenance operations ...

3. Magnetic flux leakage - Wikipedia

   en.wikipedia.org/wiki/Magnetic_flux_leakage

   An MFL tool is known as an "intelligent" or "smart" inspection pig because it contains electronics and collects data real-time while traveling through the pipeline. Sophisticated electronics on board allow this tool to accurately detect anomalies as small as 1 mm 2 , which can include dimensions of a pipeline wall as well as its depth and ...

4. Robotic non-destructive testing - Wikipedia

   en.wikipedia.org/wiki/Robotic_Non-Destructive...

   Robotic non-destructive testing (NDT) is a method of inspection used to assess the structural integrity of petroleum, natural gas, and water installations. Crawler-based robotic tools are commonly used for in-line inspection (ILI) applications in pipelines that cannot be inspected using traditional intelligent pigging tools (or unpiggable pipelines).

5. Hydraulically activated pipeline pigging - Wikipedia

   en.wikipedia.org/wiki/Hydraulically_Activated...

   Utility Pigs, are used to perform functions such as cleaning, separating, or dewatering. In Line Inspection (ILI) Tools, provide information on the condition of the line, as well as the extent and location of any problems. Gel Pigs, are used in conjunction with conventional pigs to optimize pipeline dewatering, cleaning, and drying tasks.

6. Corrosion engineering - Wikipedia

   en.wikipedia.org/wiki/Corrosion_engineering

   Video scoping of pipes and high tech smart pigs are used for internal inspections. The smart pigs can be inserted into a pipe system at one point and "caught" far down the line. The use of corrosion inhibitors, material selection studies, and internal coatings are mainly used to control corrosion in piping while anodes along with coatings are ...

7. Leak detection - Wikipedia

   en.wikipedia.org/wiki/Leak_detection

   The primary purpose of leak detection systems (LDS) is to help pipeline controllers to detect and localize leaks. LDS provide alarms and display other related data to the pipeline controllers to assist decision-making. Pipeline leak detection systems can also enhance productivity and system reliability thanks to reduced downtime and inspection ...