DZ/T 0278-2015
Diamond reaming shells for geological core drilling (English Version)

Standard No.

DZ/T 0278-2015

Language

Chinese, Available in English version

Release Date

2015

Published By

Professional Standard - Geology

Latest

DZ/T 0278-2015

Replace

DZ 2.2-1987

Scope

This standard specifies the type, size, main performance and technical requirements of the hole expander used in conjunction with the DZ/T 0277-2015 standard. This standard applies to reamers for geological core drilling with drilling depths within 3 000 m specified in GB/T 16950-2014.

DZ/T 0278-2015 Referenced Document

• DZ/T 0227-2010 Geological core drilling regulations
• DZ/T 0277-2015 Diamond bits for geological core drilling
• GB/T 16950-2014 Geological core drilling tools

DZ/T 0278-2015 history

• 2015 DZ/T 0278-2015 Diamond reaming shells for geological core drilling
• 1970 DZ 2.2-1987 Geological Drilling Diamond Reamer

DZ/T 0278-2015 Diamond reaming shells for geological core drilling has been changed from DZ 2.2-1987 Geological Drilling Diamond Reamer.