SY/T 5991-2010
Thread protectors for casing,tubing,line pipe and drill pipe (English Version)
- Standard No.
- SY/T 5991-2010
- Language
- Chinese, Available in English version
- Release Date
- 2010
- Published By
- Professional Standard - Petroleum
- Status
- 2017-05
- Replace By
- SY/T 5991-2016
- Latest
- SY/T 5991-2016
- Replace
- SY/T 5991-1994
- Scope
- This standard specifies the classification, technical requirements, test methods, inspection rules and markings of casing, tubing, pipeline external threads, coupling internal threads and drill pipe internal and external thread protectors. This standard applies to casing, tubing, pipeline external threads, coupling internal threads and drill pipe internal and external thread protectors. Thread protectors for other drill tool joints and thread protectors for special threads that have similar requirements can also refer to this standard.
SY/T 5991-2010 Referenced Document
- API Spec 5B SPECIFICATION FOR THREADING@ GAUGING AND THREAD INSPECTION OF CASING@ TUBING@ AND LINE PIPE THREADS (FIFTEENTH EDITION)
- API Spec 7 Specification for Rotary Drill Stem Elements Fortieth Edition
- ASTM B117 Standard Practice for Operating Salt Spray (Fog) Apparatus
- GB/T 22512.2 Petroleum and natural gas industries.Rotary drilling equiment.Part 2: Threading and gaugingof rotary shouldered thread connections
- GB/T 9253.2 Petroleum and natural gas industries—Threading,gauging and thread inspection of casing,tubing,and line pipe threads*， 2017-11-01 Update
SY/T 5991-2010 history
- 2016 SY/T 5991-2016 Casing, tubing, line pipe and drill pipe thread protectors
- 2010 SY/T 5991-2010 Thread protectors for casing,tubing,line pipe and drill pipe
- 1995 SY/T 5991-1994 Thread protectors for casing, tubing and delivery steel pipes
