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| Chinese National Standard Category: Petroleum drilling |
| English Title: | Drilling with multiple copolymer of vinyl monomers PAC143 |
| Chinese Title: | 钻井液用乙烯基单体多共聚物PAC143 |
| Standard No.: | SY 5667-1993 |
| Category No.: | E13 |
| Issued by: | |
| Issued on: | |
| Implemented on: | 2004-11-1 |
| Status: | valid |
| Superseded by: | SY/T 5660-1995 Encapsulating agent PAC141 and fluid loss reducers PAC142/PAC143 for drilling fluids |
| Superseded on: | |
| Abolished on: | |
| Superseding: | |
| Word Count: | words |
| Similar Standards: | SY/T 5731-2025 GB/T 33294-2025 GB/T 16783.1-2025 NB/T 11332-2023 NB/T 11282-2023 GB/T 41029-2021 NB/T 10843-2021 NB/T 10841-2021 DZ/T 0365-2021 GB/T 8423.2-2018 GB/T 33293-2016 GB/T 33294-2016 SY/T 7089-2016 NB/T 14004.1-2015 GB/T 31033-2014 SY/T 6962-2013 SY/T 5504.8-2013 SY/T 6223-2013 GB/T 29170-2012 GB/T 16783.2-2012 |
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