Scientific services, namely, engineering services relating to the extraction of oil and gas; services for enhanced oil recovery from oil wells, namely, engineering and technological consulting services for increasing oil and gas production and improving output of oil and gas wells; oil field exploitation for the extraction of oil
Scientific services, namely, engineering services relating to the extraction of oil and gas; services for enhanced oil recovery from oil wells, namely, engineering and technological consulting services for increasing oil and gas production and improving output of oil and gas wells; oil field exploitation for the extraction of oil
Scientific services, namely, engineering services relating to the extr...