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2. 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).

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. Pigging - Wikipedia

   en.wikipedia.org/wiki/Pigging

   A "pig" is a tool that is sent down a pipeline and propelled by the pressure of the product flow in the pipeline itself. There are four main uses for pigs: Physical separation between different fluids flowing through the pipeline; Internal cleaning of pipelines; Inspection of the condition of pipeline walls (also known as an inline inspection ...

5. CCTV drain camera (plumbing) - Wikipedia

   en.wikipedia.org/wiki/CCTV_drain_camera_(plumbing)

   These cameras are advanced diagnostic tools that allow plumbers to execute plumbing inspections, called CCTV Drain Surveys [1] with heightened accuracy. These cameras can vary; the main difference being the size of the pipe the camera ca inspect. The total distance they can travel within the pipeline is also a common difference between models. [2]

6. Guided wave testing - Wikipedia

   en.wikipedia.org/wiki/Guided_wave_testing

   Unlike conventional ultrasonics, there are an infinite number of guided wave modes that exist for a pipe geometry, and they can be generally grouped into three families, namely the torsional, longitudinal and flexural modes. The acoustic properties of these wave modes are a function of the pipe geometry, the material and the frequency.

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