The strength is not so good! But just looking for a job is ok, because learning Russian can go to some small Russian-speaking countries, such as Ukraine, Kazakhstan, Turkmenistan, Tajikistan, Kyrgyzstan, Uzbekistan, Estonia, Latvia, Lithuania, Georgia and Azerbaijan. And the salary is still very good, the annual salary is about100000. But this seems to go against your original intention of choosing Russian major ... think about it yourself. The strong majors of petroleum university include petroleum engineering, chemical engineering, credit standing, storage and transportation and other majors directly related to petroleum ... I hope it will help you. ...