ISO/TS TECHNICAL SPECIFICATION 12747 First edition 2011-04-15 Petroleum and natural gas industries - Pipeline transportation systems - Recommended practice for pipeline life extension conduites - Pratique recommandée pour une longue duree des conduites Reference number ISO/TS 12747:2011(E) @ ISO 2011 py IHS under ted without license from IHS Not for Resale ISO/TS 12747:2011(E) COPYRIGHTPROTECTEDDOCUMENT @ ISO2011 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either isO at the address below or IsO's memberbody in the country of the requester. ISO copyright office Case postale 56. CH-1211 Geneva 20 Tel. + 4122749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ ISO 2011 - All rights reserved y IHS unde permitted without license from IHS Not for Resale ISO/TS 12747:2011(E) Contents Page Foreword .iv Introduction. 1 Scope 2 Normative references.. 3 Terms and definitions. 4 Abbreviated terms .... .5 5 Life extension overview. 5.1 General .... 5.2 Assessmentprocess 5.3 .6 5.4 Limitations on life extension. 5.5 Pipeline system availability. 6 Data compilation... 9 6.1 General.... .9 6.2 7 Technical integrity of the pipeline system..... 12 7.1 General ... 12 7.2 PIMS review........ 12 7.3 Remediation requirements ..... 13 8 Future threat identification... 13 8.1 General 13 8.2 Generic threats ... 13 8.3 Threats specific to offshore pipeline systems, 14 8.4 Threats specific to onshore pipeline systems .... 14 9 Life extension assessment.... 9.1 Risk assessment .. .14 9.2 Pipeline system design review . 16 9.3 17 9.4 Integritymanagementduringextendedlife. 20 9.5 Regulatory requirements ... .20 9.6 Update of systems and procedures .. 20 10 Life extension report.. 21 Bibliography 22 CopyrightIinternatinal Oorganizaio far Standardizalirn ghts reserved ii ted withoutlicensefromIHS Not for Resale