select t2.username,   
       t2.sid,   
       t2.serial#,   
       t3.object_name,   
       t2.OSUSER,   
       t2.MACHINE,   
       t2.PROGRAM,   
       t2.LOGON_TIME,   
       t2.COMMAND,   
       t2.LOCKWAIT,   
       t2.SADDR,   
       t2.PADDR,   
       t2.TADDR,   
       t2.SQL_ADDRESS,   
       t1.LOCKED_MODE   
  from v$locked_object t1, v$session t2, dba_objects t3   
 where t1.session_id = t2.sid   
   and t1.object_id = t3.object_id   
 order by t2.logon_time;  

?