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During the operation of oil wells, asphalt-resin-paraffin deposits (ARPD) can form on the inner surface of the tubing. They reduce tubing capacity and increase the risk of ESP failures, requiring regular cleaning operations.
One of the effective methods of ARPD removal is scraping. It is a mechanical cleaning of the inner surface of the tubing with the help of special devices - pigs. Scrapers can be of different designs and materials depending on working conditions and deposit characteristics.
Advantages of the scraping method:
However, this method has some disadvantages:
Thus, ARPD removal by scraping method is an effective and reliable way of oil pipelines cleaning. However, the work requires experienced personnel who are highly qualified in this type of work. This will avoid possible problems and ensure the safety and efficiency of the process.
One of the effective methods of ARPD removal is scraping. It is a mechanical cleaning of the inner surface of the tubing with the help of special devices - pigs. Scrapers can be of different designs and materials depending on working conditions and deposit characteristics.
Advantages of the scraping method:
- high cleaning efficiency;
- possibility to remove hard and dense deposits;
- simplicity and reliability of the equipment;
- relatively low cost of work.
However, this method has some disadvantages:
- risk of wire breakage.
Thus, ARPD removal by scraping method is an effective and reliable way of oil pipelines cleaning. However, the work requires experienced personnel who are highly qualified in this type of work. This will avoid possible problems and ensure the safety and efficiency of the process.