Standard

API SPEC 7-1

Revised

Note: This standard has a new edition: API SPEC 7-1

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Abstract

Coverage This standard specifies 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. This standard is not applicable to drill pipe and tool joints, rotary shouldered connection designs, thread gauging practice, or grand master, reference master and working gauges. A typical drill stem assembly to which this standard is applicable is shown in Figure 1. Application of the API Monogram If the product is manufactured at a facility licensed by API and is intended to be supplied bearing the API Monogram, the requirements of Annex B apply.      

Document information

  • Standard from API_AC
  • Published:
  • Version: 0
  • Document type: IS
  • Additional information
    • First Edition; API Monogram program Effective Date: August 1, 2019; Effective September 2006; Incorporates Addendum 1: March 2007, Addendum 2: August 2009; Addendum 3: April 2011; Addendum 4: February 2019; ERRATA 1: JULY 2020