NEN EN ISO 10424-1 : 2004

Foreword
Introduction
1 Scope
2 Conformance
   2.1 Units of measurement
   2.2 Tables and figures
3 Normative references
4 Terms, definitions, symbols and abbreviated terms
   4.1 Terms and definitions
   4.2 Symbols and abbreviated terms
5 Upper and lower kelly valves
   5.1 General
   5.2 Design criteria
   5.3 Connections
   5.4 Hydrostatic testing
   5.5 Documentation and retention of records
   5.6 Marking
   5.7 Supplementary requirements
6 Square and hexagonal kellys
   6.1 Size, type and dimensions
   6.2 Dimensional gauging
   6.3 Connections
   6.4 Square forged kellys
   6.5 Mechanical properties
   6.6 Non-destructive examination
   6.7 Marking
7 Drill-stem subs
   7.1 Class and type
   7.2 Dimensions for types A and B
   7.3 Dimensions for type C (swivel subs)
   7.4 Type D (lift sub) dimensions
   7.5 Mechanical properties
   7.6 Non-destructive examination
   7.7 Connection stress-relief features
   7.8 Cold working of thread roots
   7.9 Gall-resistant treatment of threads and sealing
        shoulders
   7.10 Marking
8 Drill collars
   8.1 General
   8.2 Standard steel drill collars
   8.3 Non-magnetic drill collars
9 Drilling and coring bits
   9.1 Roller bits and blade drag bits
   9.2 Diamond drilling bits, diamond core bits and
        polycrystalline diamond compact (PDC) bits
10 Non-destructive examination of bars and tubes
   10.1 General
   10.2 Certification and qualification of NDE personnel
   10.3 Surface defects
   10.4 Internal defects
Annex A (informative) Tables in US Customary Units
Bibliography

Provides requirements for the following drill stem elements: upper and lower kelly valves; square and hexagonal kellys; drill stem subs; standard steel and non-magnetic drill collars; drilling and coring bits.