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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| SY/T 5091-2022 |
Viscosity reducer for drilling fluid sulfonated tannin extract {译} 钻井液用降粘剂 磺化栲胶 |
China Oil & Gas Industry
Standards sulfonated |
 English PDF |
| SY/T 5092-2017 |
(Drilling fluid with loss - reducing agent sulfonated lignite) 钻井液用降滤失剂 磺化褐煤 smc |
China Oil & Gas Industry
Standards sulfonated |
English PDF |
| SY/T 5094-2008 |
sulfonated methyl pheuo-formaldehyde used in drilling fluids 钻井液用磺甲基酚醛树脂 |
China Oil & Gas Industry
Standards sulfonated |
English PDF |
| QB/T 1927.6-1993 |
(sulfonated chemi-mechanical pulp (SCMP) system balancing energy and thermal efficiency calculation method) 磺化化学机械浆(SCMP)系统能量平衡及热效率计算方法 |
China Light Industry
Standards sulfonated |
English PDF |
| SY/T 5091-1993 |
(Drilling sulfonated tannin) 钻井液用磺化栲胶 |
China Oil & Gas Industry
Standards sulfonated |
English PDF |
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