SY/T 7421-2018
Automated pipe string processing system for drilling and workover of oil and gas drilling equipment (English Version)

Standard No.

SY/T 7421-2018

Language

Chinese, Available in English version

Release Date

2018

Published By

国家能源局

Latest

SY/T 7421-2018

SY/T 7421-2018 history

• 2018 SY/T 7421-2018 Automated pipe string processing system for drilling and workover of oil and gas drilling equipment