Petroleum and natural gas industries - Completion fluids and materials - Part 3: Testing of heavy brines (ISO/DIS 13503-3:2021)

Erdöl- und Erdgasindustrie - Komplettierungsflüssigkeiten und –materialien - Teil 3: Prüfung von schweren Solen (ISO/DIS 13503-3:2021)

Industries du pétrole et du gaz naturel - Fluides de complétion et matériaux - Partie 3: Essais de saumures denses (ISO/DIS 13503-3:2021)

Industrija za predelavo nafte in zemeljskega plina - Tekočine in materiali za zaključna dela - 3. del: Preskušanje težkih slanic (ISO/DIS 13503-3:2021)

General Information

Status
Not Published
Public Enquiry End Date
30-Jun-2021
Technical Committee
Current Stage
4020 - Public enquire (PE) (Adopted Project)
Start Date
22-Apr-2021
Due Date
09-Sep-2021
Completion Date
12-Jul-2021

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SLOVENSKI STANDARD
oSIST prEN ISO 13503-3:2021
01-junij-2021
Industrija za predelavo nafte in zemeljskega plina - Tekočine in materiali za
zaključna dela - 3. del: Preskušanje težkih slanic (ISO/DIS 13503-3:2021)

Petroleum and natural gas industries - Completion fluids and materials - Part 3: Testing

of heavy brines (ISO/DIS 13503-3:2021)

Erdöl- und Erdgasindustrie - Komplettierungsflüssigkeiten und –materialien - Teil 3:

Prüfung von schweren Solen (ISO/DIS 13503-3:2021)

Industries du pétrole et du gaz naturel - Fluides de complétion et matériaux - Partie 3:

Essais de saumures denses (ISO/DIS 13503-3:2021)
Ta slovenski standard je istoveten z: prEN ISO 13503-3
ICS:
75.100 Maziva Lubricants, industrial oils and
related products
75.180.30 Oprema za merjenje Volumetric equipment and
prostornine in merjenje measurements
oSIST prEN ISO 13503-3:2021 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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oSIST prEN ISO 13503-3:2021
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oSIST prEN ISO 13503-3:2021
DRAFT INTERNATIONAL STANDARD
ISO/DIS 13503-3
ISO/TC 67/SC 3 Secretariat: SN
Voting begins on: Voting terminates on:
2021-04-14 2021-07-07
Petroleum and natural gas industries — Completion fluids
and materials —
Part 3:
Testing of heavy brines
Industries du pétrole et du gaz naturel — Fluides de complétion et matériaux —
Partie 3: Essais de saumures denses
ICS: 75.100
THIS DOCUMENT IS A DRAFT CIRCULATED
This document is circulated as received from the committee secretariat.
FOR COMMENT AND APPROVAL. IT IS
THEREFORE SUBJECT TO CHANGE AND MAY
NOT BE REFERRED TO AS AN INTERNATIONAL
STANDARD UNTIL PUBLISHED AS SUCH.
IN ADDITION TO THEIR EVALUATION AS
ISO/CEN PARALLEL PROCESSING
BEING ACCEPTABLE FOR INDUSTRIAL,
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
STANDARDS MAY ON OCCASION HAVE TO
BE CONSIDERED IN THE LIGHT OF THEIR
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
Reference number
NATIONAL REGULATIONS.
ISO/DIS 13503-3:2021(E)
RECIPIENTS OF THIS DRAFT ARE INVITED
TO SUBMIT, WITH THEIR COMMENTS,
NOTIFICATION OF ANY RELEVANT PATENT
RIGHTS OF WHICH THEY ARE AWARE AND TO
PROVIDE SUPPORTING DOCUMENTATION. ISO 2021
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oSIST prEN ISO 13503-3:2021
ISO/DIS 13503-3:2021(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2021

All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may

be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting

on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address

below or ISO’s member body in the country of the requester.
ISO copyright office
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Website: www.iso.org
Published in Switzerland
ii © ISO 2021 – All rights reserved
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oSIST prEN ISO 13503-3:2021
ISO/DIS 13503-3:2021(E)
Contents Page

Foreword ........................................................................................................................................................................................................................................iv

Introduction ..................................................................................................................................................................................................................................v

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 1

3 Terms, definitions, and abbreviations ........................................................................................................................................... 1

4 Supplements to API RP 13J, 5th edition (2014) ................................................................................................................... 2

4.1 General ........................................................................................................................................................................................................... 2

4.2 Method for determining iron content ................................................................................................................................. 2

4.3 Method for determining buffering capacity ................................................................................................................... 2

4.4 Method for determining CT ......... ................................................................................................................................................. 2

4.4.1 General...................................................................................................................................................................................... 2

4.4.2 Application and procedure ..................................................................................................................................... 2

4.4.3 Preparation of seeding material ......................................................................................................................... 3

4.4.4 Selection of seeding material ................................................................................................................................ 4

4.4.5 Determination of approximate CT .................................................................................................................... 6

4.4.6 Accurate determination of CT .............................................................................................................................. 6

4.5 Method for measuring pH of formate brines ................................................................................................................ 9

© ISO 2021 – All rights reserved iii
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oSIST prEN ISO 13503-3:2021
ISO/DIS 13503-3:2021(E)
Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards

bodies (ISO member bodies). The work of preparing International Standards is normally carried out

through ISO technical committees. Each member body interested in a subject for which a technical

committee has been established has the right to be represented on that committee. International

organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.

ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of

electrotechnical standardization.

The procedures used to develop this document and those intended for its further maintenance are

described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the

different types of ISO documents should be noted. This document was drafted in accordance with the

editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of

any patent rights identified during the development of the document will be in the Introduction and/or

on the ISO list of patent declarations received (see www .iso .org/ patents).

Any trade name used in this document is information given for the convenience of users and does not

constitute an endorsement.

For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO's adherence to the

World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see www .iso .org/

iso/ foreword .html.

This document was prepared by Technical Committee ISO/TC 67 Materials, equipment and offshore

structures for petroleum, petrochemical and natural gas industries, Subcommittee SC 3, Drilling, and

completion fluids and well cements.

This second edition cancels and replaces the first edition (ISO13503- 3: 2005), which has been technically

revised.
This document supplements API RP 13J, 5th edition (2014).

The technical requirements of this part of ISO 13503 and API RP 13J used to be identical. In the

meantime, API RP 13J has been technically revised as API RP 13J, 5th edition (2014). The purpose of

this revision is to bring this part of ISO 13503 up-to-date, by referencing the current edition of API RP

13J, and including supplementary content.
The main changes compared to the previous edition are as follows:

— The main content of the document is removed to avoid duplication of content in API RP 13J, 5th

edition (2014). Only content supplemental to API RP 13J, 5th edition (2014) is now present in this

document.

— The method for measuring crystallization temperature in formate brines is described in this

document and differs from the method described in API RP 13J, 5th edition (2014) due to the specific

nature of formate brines.

— The method for measuring pH in formate brines is described in this document and differs from

the method described in API RP 13J, 5th edition (2014), since the API recommended method is

unsuitable for formate brines.
A list of all parts in the ISO 13503 series can be found on the ISO website.

Any feedback or questions on this document should be directed to the user’s national standards body. A

complete listing of these bodies can be found at www .iso .org/ members .html.
iv © ISO 2021 – All rights reserved
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oSIST prEN ISO 13503-3:2021
ISO/DIS 13503-3:2021(E)
Introduction

Crystallization temperature is an important property of well construction and intervention fluids

used in cold weather conditions and/or under high pressure. API RP 13J, 5th edition (2014) defines

the crystallization temperature of a brine as the temperature at which crystals will appear in a brine

solution of a given density as it cools. The definition of the crystallization temperature of a brine

provided by API RP 13J, 5th edition (2014) is not suitable for formate brines because of prominent

supercooling and metastable phase potassium formate crystals that can form at temperatures

much lower than crystallization temperature for stable potassium formate crystals. A more suitable

definition of crystallization temperature is therefore “the highest temperature at which crystals and

liquid can exist in stable equilibrium”.

Formate brines, especially potassium and cesium formate brines and their blends, behave very

differently from most other brines due to strong kinetic effects that complicate crystallization

temperature measurements. The following factors complicate crystallization temperature

measurements in formate brines:

— crystallization temperatures can be very low and can be lower than the cooling capability of the

measuring equipment;
— a significant amount of supercooling;

— existence of metastable potassium formate crystals that form in potassium-rich formate brines.

© ISO 2021 – All rights reserved v
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oSIST prEN ISO 13503-3:2021
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oSIST prEN ISO 13503-3:2021
DRAFT INTERNATIONAL STANDARD ISO/DIS 13503-3:2021(E)
Petroleum and natural gas industries — Completion fluids
and materials —
Part 3:
Testing of heavy brines
1 Scope

This document covers the physical properties, potential contaminants and test procedures for heavy

brine fluids manufactured for use in oil and gas well drilling, completion, and workover fluids.

This document generally refers to API RP 13J, 5th edition (2014) for description of methods for assessing

the performance and physical characteristics of heavy brines for use in field operations.

This document supplements API RP 13J, 5th edition (2014), the requirements of which are applicable

with the exceptions specified in this document. This document provides more suitable method

descriptions for determining the formate brines pH and crystallization temperature at ambient

pressure compared to the methods provided by API RP 13J, 5th edition (2014).

This document is intended for the use of manufacturers, service companies and end-users of heavy brines.

2 Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements of this document. For dated references, only the edition cited applies. For

undated references, the latest edition of the referenced document (including any amendments) applies.

API RP 13J, 5th edition (2014), Testing of heavy brines
3 Terms, definitions, and abbreviations

For the purposes of this document, the terms and definitions given in API RP 13J, 5th edition (2014) and

the following apply.

ISO and IEC maintain terminological databases for use in standardization at the following addresses:

— ISO Online browsing platform: available at https:// www .iso .org/ obp
— IEC Electropedia: available at http:// www .electropedia .org/
3.1
crystallization temperature
temperature at which crystals and liquid exists in stable equilibrium

Note 1 to entry: The definition provided by API RP 13 J, 5th edition (2014) is not valid for formate brines

© ISO 2021 – All
...

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