Syntax is handy for expdp exclude tables list
expdp
system directory=DBA_DP dumpfile=xOLLER_27Feb.dmp logfile=xOLLER_27Feb.log
schemas=xOLLER exclude=TABLE:\""IN
\(\'xOPACKET\',\'xOPCKTDATA\',\'ExxCKTHIST\',\'EOCxxIPKT\',\'EOCxxPKTDATA\',\'EOOUTGxxxFREDREPORT\',\'EOFRExxxTDATA\',\'EOFxxCLIPKT\')\""
