OVERVIEW OF THE MAIN TRENDS IN THE DEVELOPMENT OF SERVICE SERVICES IN THE OIL AND GAS INDUSTRY ArticleChekoushina T.V., Yankevsky A.V., Narojni I.M., Ghabboura Mostafa, Abou Zahr Diaz Malik, Alawiyeh Mohamad AliВестник евразийской науки. Том 10. 2018. 35 с.