Smart Pigs are inspection devices that record information about the internal conditions of a pipeline.
Smart pigs are inserted into the pipeline and are pushed along by the flowing product. They may measure several different things from inside of the pipeline, including restrictions and deformations of the pipe, as well as metal loss.
Here a smart pig is being readied for insertion into the pipeline.
Magnetic sensors are used to examine the
Odometer wheels measure exactly where the pig is in the pipeline
A smart pig removed from the pipeline.