Patent ID: 11939835
Assignee: SAUDI ARABIAN OIL COMPANY
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 9:
10. A method of repairing cracks within or behind a wellbore casing, the method comprising:
receiving a mill by the wellbore, the mill being received at a target depth, the mill enlarging a section of the wellbore at the target depth;
after receiving the mill by the wellbore, receiving an underreamer by the wellbore, the underreamer being received at the target depth, the underreamer enlarging the section of the wellbore to a next layer of casing;
after the underreamer enlarges the section of the wellbore, receiving a pressurized setting fluid by the section of the wellbore, wherein the pressurized setting fluid flows into cracks within or behind the wellbore casing; and
after receiving the pressurized setting fluid, receiving a scab liner by the section of the wellbore.