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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 Viscosity reducer drilling |
 English PDF |
| SY/T 5695-1995 |
(Amphoteric ion polymer drilling fluid viscosity reducer XY27) 钻井液用两性离子聚合物降粘剂XY27 |
China Oil & Gas Industry
Standards Viscosity reducer drilling |
English PDF |
| SY/T 5243-1991 |
(Water-based drilling fluid viscosity reducer evaluation program) 水基钻井液用降粘剂评价程序 |
China Oil & Gas Industry
Standards Viscosity reducer drilling |
English PDF |
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