SY/T 5415-2003
Use and dull grading system of bits (English Version)
- Standard No.
- SY/T 5415-2003
- Language
- Chinese, Available in English version
- Release Date
- 2003
- Published By
- Professional Standard - Petroleum
- Status
- 2012-12
- Replace By
- SY/T 5415-2012
- Latest
- SY/T 5415-2012
- Scope
- This standard specifies the basic rules for drill bit use and wear assessment and measurement methods. This standard applies to oil and gas comprehensive drilling bits and coring bits.
SY/T 5415-2003 history
- 2012 SY/T 5415-2012 Use and dull grading system of bits
- 2003 SY/T 5415-2003 Use and dull grading system of bits
- 1970 SY/T 5415-1991 Evaluation Method of Roller Cone Bit Wear
