SY 5091-1993
Sulfonated tannin extract for drilling fluid (English Version)

Standard No.

SY 5091-1993

Language

Chinese, Available in English version

Published By

Professional Standard - Petroleum

Latest

SY 5091-1993

SY 5091-1993 history

• 1970 SY 5091-1993 Sulfonated tannin extract for drilling fluid