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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 40548-2021 |
Technical specification of separate layers pressure control and combined layers drainage for coalbed methane wells 煤层气井分层控压合层排采技术规范 |
China National Standards Specification well control |
 English PDF |
| GB/T 31033-2014 |
Specification for well control technology of oil & gas drilling 石油天然气钻井井控技术规范 |
China National Standards Specification well control |
English PDF |
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