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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| NB/T 11169—2023 |
Technical Specifications for Directional Drilling of Long Boreholes for Underground Coal Mine Gas Drainage {译} 煤矿井下瓦斯抽采长钻孔定向钻进技术规范 |
China Energy Industry
Standards Boreholes |
 English PDF |
| NB/T 11167—2023 |
Technical Specification for Solid Particle Sealing of Underground Coal Mine Gas Drainage Drilling Boreholes {译} 煤矿井下瓦斯抽采钻孔固相颗粒封孔技术规范 |
China Energy Industry
Standards Boreholes |
English PDF |
| SY/T 6687-2022 |
Electromagnetic Prospecting Technical Regulations in Boreholes {译} 井中电磁勘探技术规程 |
China Oil & Gas Industry
Standards Boreholes |
English PDF |
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