Using OPatch Utility to Apply Patches to Oracle Fusion Middleware
Applying interim patches to Oracle Fusion Middleware products requires the use of the OPatch utility.
The following is maintained for each 11g and 12c release to provide documentation, known issues and other tips:
Doc ID 1587524.1 - Using OUI NextGen OPatch 13 for Oracle Fusion Middleware 12c (12.1.2+)
Doc ID 1591487.1 - Using OPatch 11.1 for Oracle Fusion Middleware 11g (11.1.1/11.1.2)