API SPEC 7-1, 1st

$90.00

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)

STANDARD by American Petroleum Institute , 02/01/2006

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.