SY/T 5415-2012
Use and dull grading system of bits (English Version)
- Standard No.
- SY/T 5415-2012
- Language
- Chinese, Available in English version
- Release Date
- 2012
- Published By
- Professional Standard - Petroleum
- Status
- Latest
- SY/T 5415-2012
- Replace By
- LST EN 61753-051-3-2013
- Replace
- SY/T 5415-2003
- 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 5415-2012 Referenced Document
- SY/T 5164 Roller bit*， 2017-05-01 Update
- SY/T 5217 diamond drill bits*， 2016-12-05 Update
- SY/T 5234 Basic methods for drilling parameter optimization*， 2016-12-05 Update
SY/T 5415-2012 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
SY/T 5415-2012 Use and dull grading system of bits was changed to LST EN 61753-051-3-2013 Fibre optic interconnecting devices and passive components - Performance standard -- Part 051-3: Single-mode fibre, plug style fixed attenuators for category U - Uncontrolled environment (IEC 61753-051-3:2013).
