SY/T 7391-2017
Underwater emergency well sealing device for oil and gas drilling equipment (English Version)

Standard No.

SY/T 7391-2017

Language

Chinese, Available in English version

Release Date

2017

Published By

国家能源局

Latest

SY/T 7391-2017

SY/T 7391-2017 history

• 2017 SY/T 7391-2017 Underwater emergency well sealing device for oil and gas drilling equipment