# ISO 13503-1:2003 — Withdrawn and superseded ISO standards

For ISO 13503-1:2003, item title is Petroleum and natural gas industries — Completion fluids and materials — Part 1: Measurement of viscous properties of completion fluids; status code is 9599; successor is ISO 13503-1:2011; withdrawn / published date is 2003-08-21, recorded from its source on 2026-08-05.

- **Identifier:** ISO 13503-1:2003 _(verified: appears in the quote below)_
- **Item title:** Petroleum and natural gas industries — Completion fluids and materials — Part 1: Measurement of viscous properties of completion fluids _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 13503-1:2011
- **Withdrawn / published date:** 2003-08-21 _(verified: appears in the quote below)_

## What the source says

> 22135,IS,,ISO 13503-1:2003,Petroleum and natural gas industries — Completion fluids and materials — Part 1: Measurement of viscous properties of completion fluids,Industries du pétrole et du gaz naturel — Fluides de complétion et matériaux — Partie 1: Mesurage des propriétés visqueuses des fluides de complétion,2003-08-21,1,['75.100'],ISO/TC 67/SC 3,9599,,[55302],"['en','fr']",20,"<p>ISO 13503-1:2003 provides consistent methodology for determining the viscosity of completion fluids used in the petroleum and natural gas industries. For certain cases, methods are also provided to determine the rheological properties of a fluid.</p>"

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).