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API SPEC 7-1 (Standard + Revision Tracker) : 2023
Rotary Drill Stem Elements (Standard + Revision Tracker)

Rotary Drill Stem Elements (Standard + Revision Tracker)

Document No. API SPEC 7-1 (Standard + Revision Tracker) Document Year 2023
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This document is published by American Petroleum Institute (API)

Standard Details

API SPEC 7-1 (Standard + Revision Tracker) : 2023

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.

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