Patent ID: 11931779
Assignee: SAUDI ARABIAN OIL COMPANY
Field: Chemical engineering (Chemistry)
Classification: CPC B  E | IPC B  E

Claim 9:
10. A method for cleaning a pipeline, the method comprising:
introducing a pipeline scraper apparatus into the pipeline;
traversing the pipeline scraper through a portion of the pipeline using a driving force from a liquid flowing through the pipeline; and
contacting an inside surface of the pipeline such that materials selected from the group consisting of debris, sludge, scale, aggregates, carbon buildup, and combinations thereof, are pushed in front of the pipeline scraper apparatus;
wherein the pipeline scraper apparatus comprises a body having an exterior surface and a water collection recess, and defining an interior space; a condenser coil that is positioned within the water collection recess; and a lubricant storage tank that is positioned within the interior space.