Tracking the location of pigs stuck in the pipeline

Tracking the location of pigs stuck in the pipeline

Tracking the location of pigs stuck in the pipeline is carried out using the following technol-ogies:

1. Monitoring the magnetic record of the pipeline segment from the ground surface (the presumable location of the pig’s stoppage) by the “ZOND-SKAN” device with further reflection of the former on the device’s display and simultaneous recording of the distance, covered by the opera-tor, using the embedded GPS-receiver in auto-mated operation mode, as well as presenting the information on GPS-positioning of the pig stuck in the pipeline.

2. Launch of the 2nd transmitter-integrated pig into the pipeline, tracking its running at check points with further identifying the 2nd pig’s stop-page location using the lowfrequency mole, pro-ceeding on the assumption that the 2nd pig stops at the same spot, as of the 1st one, recording the GPSpositioning of the pig stuck in the pipeline.

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