API SPEC 7-1:2023+ERR 2:2025
Current
The latest, up-to-date edition.
Rotary Drill Stem Elements
Hardcopy , PDF
English
10-01-2025
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.
| DocumentType |
Standard
|
| Pages |
127
|
| PublisherName |
American Petroleum Institute
|
| Status |
Current
|
| Supersedes |
| ISO 10400:1993 | Petroleum and natural gas industries — Formulae and calculation for casing, tubing, drill pipe and line pipe properties |
| ASTM E 92 : 2023 | Standard Test Methods for Vickers Hardness and Knoop Hardness of Metallic Materials |
| ISO 6506-1:2014 | Metallic materials — Brinell hardness test — Part 1: Test method |
| ISO 7500-1:2018 | Metallic materials — Calibration and verification of static uniaxial testing machines — Part 1: Tension/compression testing machines — Calibration and verification of the force-measuring system |
| ASTM E 4 : 2010 | Standard Practices for Force Verification of Testing Machines |
| ISO 9513:2012 | Metallic materials — Calibration of extensometer systems used in uniaxial testing |
| ISO 9598:1989 | Seamless steel tubes for pressure purposes — Full peripheral magnetic transducer/flux leakage testing of ferromagnetic steel tubes for the detection of transverse imperfections |
| ASTM E 23 : 2016 | Standard Test Methods for Notched Bar Impact Testing of Metallic Materials |
| ISO 13535:2000 | Petroleum and natural gas industries — Drilling and production equipment — Hoisting equipment |
| ISO/TR 9769:1990 | Steel and iron — Review of available methods of analysis |
| ASTM A 941 : 2024 | Standard Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys |
| ISO 6507-1:2023 | Metallic materials — Vickers hardness test — Part 1: Test method |
| ASTM E 83 : 2025 | Standard Practice for Calibration, Verification, and Classification of Extensometer Systems |
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