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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| SY/T 7490-2020 |
Drilling operation rules for parallel horizontal wells {译} 平行水平井钻井作业规程 |
China Oil & Gas Industry
Standards Drilling operation rules |
 English PDF |
| SY/T 5409-1991 |
(Downhole drilling salvage operation rules) |
China Oil & Gas Industry
Standards Drilling operation rules |
English PDF |
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