Patent ID: 11933140
Assignee: SAUDI ARABIAN OIL COMPANY
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 0:
1. A method of cleaning a well, the method comprising:
flowing well fluid within the well while running a cleaning tool into the well;
jetting a dissolving fluid through a plurality of first nozzles of the cleaning tool and through a plurality of second nozzles of the cleaning tool into the well;
breaking down substances stuck to the wall of the well with the dissolving fluid to form broken down substances;
releasing the broken down substances to the well fluid;
injecting the well fluid with a fluid thickening agent through the plurality of first nozzles of the well cleaning tool to form thickened well fluid;
dislodging metallic debris and non-metallic debris accumulated along the wall of the well with a plurality of brushes of the cleaning tool;
carrying the non-metallic debris out of the well with the thickened well fluid; and
capturing the metallic debris at a capture device of the cleaning tool.