Flexagon has developed a set of silent install scripts for WebLogic 12.1.3, which can be downloaded here.  

Unix Install

Copy the downloaded zip file to the target server and following the instructions below.

About this Install

Directory Structure - see http://docs.oracle.com/middleware/1213/soasuite/SOEDG/edg_storage.htm#SOEDG2168
We will use local storage for all directories.

...

$FD_ORACLE_MW_HOME/wlserver/common/bin/wlst.sh createADFDomain.py

Start Admin Server

cd $FDWLS_ADMIN_DOMAIN_DIRECTORY
nohup ./startWebLogic.sh > AdminServer.out &
tail -f AdminServer.out   (wait for server to start before continuing)