1. Pipeline cleaning: The foam pig can effectively remove the scale, corrosion products, impurities, etc. in the pipeline, and improve the transportation efficiency of the pipeline.
2. Water removal and drying: The foam pig is especially suitable for water removal and drying operations inside the pipeline, and can be completed more effectively with the addition of other auxiliary equipment.
3. Pipeline detection and tracking: Some foam pigs can carry electronic positioning transmitters, which together with ground receiving instruments form an electronic tracking system for pipeline detection and tracking.
4. Reduce corrosion damage: In the operation of natural gas pipelines, foam pigs can remove corrosive substances inside the pipelines and reduce the corrosion damage of these substances to the inner wall of the pipeline.
5. Re-define the pipeline direction and detect pipeline deformation: The foam pig can be used to re-clarify the pipeline direction and detect the deformation of the pipeline.
6. Check the integrity of the valves along the line: The foam pig can also check the integrity of the valves along the line to ensure the integrity of the pipeline system.
7. Reduce working backpressure: By removing liquid and impurities from the pipeline, the foam pig helps to reduce the working backpressure.
8. Pipe cleaning line before pipeline production: Before the pipeline is put into production, the foam pipe pig can be used to clean the pipe and sweep the line to ensure that the inside of the pipeline is clean and prepare for production.
9. Regular wax scraping: In oil and gas pipelines, foam pigs can be used for regular wax scraping to keep pipelines unblocked.
10. Experimental through-ball: When the internal condition of the pipeline is unclear, the foam pig can be used for experimental through-ball to check the cleanliness and operation indicators of the pipeline.
To sum up, foam pigs play an important role in pipeline cleaning, maintenance and testing due to their advantages of simple structure, large deformation, easy to jam and good wear resistance.
