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About This Item


Full Description

Please note that any addenda or errata may not be included in translated editions of this standard.

This International Standard specifies the technical delivery conditions for steel drill-pipes with upset pipe-body ends and weld-on tool joints for use in drilling and production operations in petroleum and natural gas industries for three product specification levels (PSL-1, PSL-2 and PSL-3).

This International Standard covers the following grades of drill-pipe:
  • grade E drill-pipe;
  • high-strength grades of drill-pipe, grades X, G and S.
This International Standard can also be used for drill-pipe with tool joints not specified by ISO or API standards.

This International Standard is based on API Spec 5D and API Spec 7.

This edition of API Spec 5DP is the identical national adoption of ISO 11961, Petroleum, petrochemical and natural gas industries-Steel drill pipe. This specification contains the API Monogram Annex as part of the U.S. national adoption.

Document History

  1. API Spec 5DP


    Drill Pipe, Second Edition, Includes Errata 1 (2020)

    • Most Recent
  2. API Spec 5DP (R2015)

    Specification for Drill Pipe, First Edition (Identical Adoption of ISO 11961:2008)

    • Historical Version
  3. API Spec 5D

    Specification for Drill Pipe

    • Historical Version
  4. API Spec 5D - 1999

    Specification for Drill Pipe

    • Historical Version
  5. API 5A

    Casing, Tubing, and Drill Pipe - WITHDRAWN - Incorporated into 5D and 5CT

    • Historical Version
  6. API 5a

    Specifications for Steel and Iron Pipe for Oil Country Tubular Goods, 1st Edition

    • Historical Version

Amendments, rulings, supplements, and errata

  1. API Spec 5DP Errata 1


    Errata to Drill Pipe, Second Edition