ISO 10426-1-2009 cor1-2010

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ICS 75.020; 91.100.10 Ref. No. ISO 10426-1:2009

Cor.1:2010(E)

Published in Switzerland

INTERNATIONAL STANDARD ISO 10426-1:2009

TECHNICAL CORRIGENDUM 1

Published 2010-04-01

INTERNATIONAL ORGANIZATION FOR STANDARDIZATION • МЕЖДУНАРОДНАЯ ОРГАНИЗАЦИЯ ПО СТАНДАРТИЗАЦИИ • ORGANISATION INTERNATIONALE DE NORMALISATION

Petroleum and natural gas industries — Cements and materials

for well cementing —

Part 1:

Specification

TECHNICAL CORRIGENDUM 1

Industries du pétrole et du gaz naturel — Ciments et matériaux pour la cimentation des puits —

Partie 1: Spécification

RECTIFICATIF TECHNIQUE 1

Technical Corrigendum 1 to ISO 10426-1:2009 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.

Page 4, 4.1.1.6:

Add the following sentence at the end of the first paragraph.

“Chemical additives, as required for chromium(VI) reduction, are permitted, provided that such additives do not

prevent the well cement from performing its intended purpose.”

Page 4, 4.1.1.7:

Add the following sentence at the end of the first paragraph.

“Chemical additives, as required for chromium(VI) reduction, are permitted, provided that such additives do not

prevent the well cement from performing its intended purpose.”

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