guys wanna ask, i was involve in contractor for OIL & GAS INDUSTRY whos doing maintainace and project from SHELL and EXXONMOBIL / PETRON for now.

i have around 1 year experience in those job and no certificate which related in O&G field. so wanna ask what kind of job that still i can apply in O&G field, wanna do upgrading on myself and salary.

thank you.