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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. 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]

4. Internal rotary inspection system - Wikipedia

   en.wikipedia.org/wiki/Internal_rotary_inspection...

   Internal rotary inspection system (IRIS) is an ultrasonic method for the nondestructive testing of pipes and tubes. The IRIS probe is inserted into a tube that is flooded with water, and the probe is pulled out slowly as the data is displayed and recorded. The ultrasonic beam allows detection of metal loss from the inside and outside of the ...

5. 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 ...

6. 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 ...

7. Remote field testing - Wikipedia

   en.wikipedia.org/wiki/Remote_field_testing

   Remote field testing (RFT) is a method of nondestructive testing using low-frequency AC. whose main application is finding defects in steel pipes and tubes. [1] RFT is also referred to as remote field eddy current testing (RFEC or RFET). [2]