API Spec 7-1 (R2021) PDF

API Spec 7-1 (R2021) – Specification for Rotary Drill Stem Elements, First Edition — Identical to ISO 10424-1:2004, Includes Addendum 1 (2007), Addendum 2 (2009), Addendum 3 (2011),Addendum 4 (2019), and Errata 1 (2020)

Please note.Addenda and errata may not be included in translated editions of this standard.

The following products now covered by this standard:

• upper and lower kelly valves,
• square and hexagon kellys,
• drill-setem subs,
• drill collars,
• drillng and coring bits

Rotary shouldered connections and gauging for drill stem elements are covered in API Spec 7-2.

This edition of API Spec 7-1 is the modified national adoption of ISO 10424-1, Petroleum and natural gas industries-Rotary drilling equipment-Part 1: Rotary Drill stem elements. This specification contains the API Monogram Annex as part of the U.S. national adoption.