Rotary Drill Stem Elements, Second Edition, Includes Errata 1 (2023), Errata 2 (2025), and Addendum 1 (2025)

The information about the standard:

Designation standards: API SPEC 7-1
Publication date standards: 1.2.2023
The number of pages: 127
Approximate weight : 412 g (0.91 lbs)
Country: American technical standard
Category: Technical standards API

Annotation of standard text API SPEC 7-1 :

This standard specifies the technical delivery conditions for rotary drill stem elements: upper and lower kelly valves, square and hexagonal kellys, drill stem subs, drill collars (steel and non-magnetic, round and spiral), heavy-weight drill pipe (HWDP), drilling and coring bit connections, and stabilizers.This standard is not applicable to drill pipe and tool joints, rotary shouldered connection designs, thread gauging practices, or grand master, reference master and working gauges, and does not include or identify performance properties. A typical drill stem assembly applicable to this standard is provided. See more