Patent ID: 11933139
Assignee: SAUDI ARABIAN OIL COMPANY
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 0:
1. A method for removing filter cake from a subterranean wellbore, the method comprising:
running a completion string into the wellbore on production tubing, the completion string including one or more screen assemblies coupled therein;
conveying a running tool through the production tubing to a shifting tool arranged within the completion string;
opening a circulation port of the shifting tool with the running tool;
flowing a spotting fluid through the running tool and the shifting tool and discharging the spotting fluid from the completion string into an annulus defined between the completion string and the wellbore;
interacting the spotting fluid with the filter cake to remove the filter cake from a wall of the wellbore; and
circulating the spotting fluid from the annulus and into the production tubing through the circulation port.