SY 5399-1991
Power tongs for oil drilling and workover (English Version)
- Standard No.
- SY 5399-1991
- Language
- Chinese, Available in English version
- Release Date
- 1991
- Published By
- Professional Standard - Petroleum
- Status
- 2000-10
- Replace By
- SY/T 5400.1-2000
- Latest
- SY/T 5074-2012
SY 5399-1991 history
- 2012 SY/T 5074-2012 Power tongs and tongs for drilling and well servicing
- 2004 SY/T 5074-2004 Power tongs for oil drilling and workover
- 2000 SY/T 5400.1-2000 Power tongs for petroleum drilling and servicing.Part 1:Drill tongs
- 1991 SY 5399-1991 Power tongs for oil drilling and workover
SY 5399-1991 Power tongs for oil drilling and workover was changed to SY/T 5400.1-2000 Power tongs for petroleum drilling and servicing.Part 1:Drill tongs.
