SY/T 5091-2022
Sulfonated tannins as viscosity reducer for drilling fluids (English Version)

Standard No.

SY/T 5091-2022

Language

Chinese, Available in English version

Release Date

2022

Published By

国家能源局

Latest

SY/T 5091-2022

Replace

SY/T 5091-1993

SY/T 5091-2022 history

• 2022 SY/T 5091-2022 Sulfonated tannins as viscosity reducer for drilling fluids
• 1993 SY/T 5091-1993 Sulfonated tannin extract for drilling fluid