US 12,064,796 B2
Pipeline descaling tool
Fahmi Aulia, Udhailiyah (SA); Abdulrahman F. Almuaibid, Dhahran (SA); and Surajit Haldar, Udhailiyah (SA)
Assigned to Saudi Arabian Oil Company, Dhahran (SA)
Filed by Saudi Arabian Oil Company, Dhahran (SA)
Filed on Nov. 10, 2022, as Appl. No. 17/984,492.
Prior Publication US 2024/0157413 A1, May 16, 2024
Int. Cl. B08B 9/051 (2006.01); B08B 9/053 (2006.01); B08B 9/055 (2006.01)
CPC B08B 9/051 (2013.01) [B08B 9/0535 (2013.01); B08B 9/0551 (2013.01); B08B 2209/04 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A pipeline tool assembly comprising:
a milling tool configured to rotate about a longitudinal axis of the pipeline tool assembly, the milling tool sized to fit within an inner volume defined by a pipeline and to mill, by rotating, solid obstructions protruding from an inner surface of the pipeline into the inner volume;
a roller assembly comprising a plurality of rollers, the roller assembly axially coupled to the milling tool, the roller assembly configured to transport the pipeline tool assembly including the milling tool within the inner volume;
a motor connected to the roller assembly and to the milling tool, the motor configured to rotate the milling tool and to power the roller assembly; and
a controller operatively coupled to the motor, the controller configured to regulate a current supplied by the motor to the milling tool based on a rate of penetration of the milling tool.