EN ISO 13503-3:2005

SLOVENSKI STANDARD
01-september-2006
Industrija za predelavo nafte in zemeljskega plina – Tekočine in materiali za
zaključna dela – 3. del: Preskušanje težkih slanic (ISO 13503-3:2005)
Petroleum and natural gas industries - Completion fluids and materials - Part 3: Testing
of heavy brines (ISO 13503-3:2005)
Erdöl- und Erdgasindustrie - Komplettierungsflüssigkeiten und -materialien - Teil 3:
Prüfung von schweren Solen (ISO 13503-3:2005)
Industries du pétrole et du gaz naturel - Fluides et matériaux de complétion - Partie 3:
Essais de saumures denses (ISO 13503-3:2005)
Ta slovenski standard je istoveten z: EN ISO 13503-3:2005
ICS:
75.100 Maziva Lubricants, industrial oils and
related products
75.180.30 Oprema za merjenje Volumetric equipment and
prostornine in merjenje measurements
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN ISO 13503-3
NORME EUROPÉENNE
EUROPÄISCHE NORM
December 2005
ICS 75.100
English Version
Petroleum and natural gas industries - Completion fluids and
materials - Part 3: Testing of heavy brines (ISO 13503-3:2005)
Industries du pétrole et du gaz naturel - Fluides et Erdöl- und Erdgasindustrie - Komplettierungsflüssigkeiten
matériaux de complétion - Partie 3: Essais de saumures und -materialien - Teil 3: Prüfung von schweren Solen (ISO
denses (ISO 13503-3:2005) 13503-3:2005)
This European Standard was approved by CEN on 9 December 2005.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European
Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national
standards may be obtained on application to the Central Secretariat or to any CEN member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official
versions.
CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,
Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,
Slovenia, Spain, Sweden, Switzerland and United Kingdom.
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EUROPÄISCHES KOMITEE FÜR NORMUNG
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© 2005 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 13503-3:2005: E
worldwide for CEN national Members.

Foreword
This document (EN ISO 13503-3:2005) has been prepared by Technical Committee ISO/TC 67
"Materials, equipment and offshore structures for petroleum and natural gas industries" in
collaboration with Technical Committee CEN/TC 12 "Materials, equipment and offshore
structures for petroleum, petrochemical and natural gas industries", the secretariat of which is
held by AFNOR.
This European Standard shall be given the status of a national standard, either by publication of
an identical text or by endorsement, at the latest by June 2006, and conflicting national
standards shall be withdrawn at the latest by June 2006.

According to the CEN/CENELEC Internal Regulations, the national standards organizations of
the following countries are bound to implement this European Standard: Austria, Belgium,
Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary,
Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland,
Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.

Endorsement notice
The text of ISO 13503-3:2005 has been approved by CEN as EN ISO 13503-3:2005 without any
modifications.
INTERNATIONAL ISO
STANDARD 13503-3
First edition
2005-12-15
Petroleum and natural gas industries —
Completion fluids and materials —
Part 3:
Testing of heavy brines
Industries du pétrole et du gaz naturel — Fluides et matériaux de
complétion —
Partie 3: Essais de saumures denses

Reference number
ISO 13503-3:2005(E)
©
ISO 2005
ISO 13503-3:2005(E)
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ISO 13503-3:2005(E)
Contents Page
Foreword. v
Introduction . vi
1 Scope . 1
2 Normative references . 1
3 Terms, definitions and abbreviated terms . 2
3.1 Terms and definitions. 2
3.2 Symbols and abbreviated terms . 2
4 Requirements . 4
4.1 Quality control instructions. 4
4.2 Records retention . 4
5 Calibration of equipment . 4
5.1 General requirements. 4
5.2 Reagents and materials for calibration . 4
5.3 General requirements for calibration of particular apparatus . 5
5.4 Frequency of calibration verification. 5
5.5 Calibration verification. 6
6 Density . 7
6.1 General. 7
6.2 Apparatus . 9
6.3 Density measurement by hydrometer . 10
6.4 Density correction to 21 °C (70 °F). 11
6.5 Calculation of density in units other than kg/m . 13
6.6 Calculation for pressure and temperature compensation. 14
7 Crystallization temperature . 16
7.1 Principle. 16
7.2 Apparatus . 20
7.3 Determination of crystallization point . 21
7.4 Calculation of crystallization point . 21
8 Brine clarity . 22
8.1 Principle. 22
8.2 Apparatus . 22
8.3 Determination of brine clarity. 23
9 Solids evaluation by gravimetric procedures. 23
9.1 Principle. 23
9.2 Apparatus . 24
9.3 Preparation of glass-fibre filter disk . 24
9.4 Selection of sample volume . 25
9.5 Determination of total suspended solids .25
9.6 Calculation of total suspended solids. 26
9.7 Calculation of precision and bias . 26
9.8 Determination of volatile and non-volatile solids. 26
9.9 Calculation of non-volatile and volatile solids . 27
10 pH . 27
10.1 Principle. 27
10.2 Reagents and materials . 28
10.3 Apparatus . 28
10.4 Measurement of pH. 29
ISO 13503-3:2005(E)
10.5 Precision statement . 30
10.6 Care of the electrode . 30
11 Iron contamination. 30
11.1 Principle . 30
11.2 Reagents and materials. 31
11.3 Apparatus. 31
11.4 Preparation of colorimetric standards. 32
11.5 Measurement of iron contamination . 32
11.6 Precision statement . 33
12 Daily completion fluid report .
...