GB/T 9253.1-1999
Threads on rotary shouldered connections for petroleum industry (English Version)
- Standard No.
- GB/T 9253.1-1999
- Language
- Chinese, Available in English version
- Release Date
- 1999
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2009-05
- Replace By
- GB/T 22512.2-2008
- Lastest
- GB/T 22512.2-2008
- Scope
- This standard specifies the tooth type, basic Dimensions, tolerances and markings. Because the tooth type and taper of the digital thread are more reasonable than the inner flat type, through-hole type and regular type thread. Digital thread is recommended for new product design. This standard applies to the connection of downhole tools and drill string components.
GB/T 9253.1-1999 history
- 2008 GB/T 22512.2-2008 Petroleum and natural gas industries.Rotary drilling equiment.Part 2: Threading and gaugingof rotary shouldered thread connections
- 1999 GB/T 9253.1-1999 Threads on rotary shouldered connections for petroleum industry
GB/T 9253.1-1999 Threads on rotary shouldered connections for petroleum industry was changed to GB/T 22512.2-2008 Petroleum and natural gas industries.Rotary drilling equiment.Part 2: Threading and gaugingof rotary shouldered thread connections.