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Chinese Classification
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| Chinese National Standard Category: Petroleum and natural gas in general |
| English Title: | |
| Chinese Title: | 石油天然气探井质量基本要求 |
| Standard No.: | SY 5251-1991 |
| Category No.: | E20 |
| Issued by: | |
| Issued on: | 1991-07-19 |
| Implemented on: | 1991-11-1 |
| Status: | superseded |
| Superseded by: | SY/T 5251-2003 Geology items and basic quality requirements in oil & gas exploration wells |
| Superseded on: | 2003-8-1 |
| Abolished on: | |
| Superseding: | |
| Word Count: | 3500 words |
| Similar Standards: | T/JSTERA 40-2022 T/CGAS 019-2022 T/CI 186-2023 MT/T 1196-2020 GB/T 19492-2020 DZ/T 0317-2018 SY/T 6936-2013 SY/T 6928-2012 GB/T 19492-2004 SH/T 0715-2002 SY/T 0048-2000 GB/T 16781.2-1997 GB/T 11061-1997 JT/T 315-1997 GB/T 16781.1-1997 SY/T 0543-1994 SY/T 0529-1993 SY 5280-1991 SY 5251-1991 SY 5365-1989 |
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