More than 1,000 cases recorded data of
accident/incident have been analyzed from company
record. The development of technology and system
in company made safety statistics better from times
through times as the root cause of accident are
straight forward for instance improper PPE, no work
standard and procedure for risky task. Recently in
2007 2011, when all hardware and system are inplace, human factor is of the key to make all the
protective barrier easily failed due to the culture,
behavior, supervision, leadership are ineffective and
not in place. Hence in PTTEP history, there were no
campaign improve organizational safety culture but
raising safety awareness in organization and each
location. Thus, using safety culture maturity model to
identify and improve safety culture is an appropriate
method.