CPC E21B 33/14 (2013.01) [E21B 23/06 (2013.01); E21B 29/002 (2013.01)] | 18 Claims |
1. A method comprising:
milling a section of casing within a wellbore;
after milling the section of the wellbore, underreaming the section of the wellbore through to a next layer of casing;
after underreaming the section of the wellbore and before installing a scab liner over the section, squeezing a setting fluid into the section, the setting fluid penetrating micro-channels exposed by the milling and underreaming;
after squeezing the setting fluid into the section, installing the scab liner over the section; and
after installing the scab liner over the section, securing the scab liner within the wellbore.
|