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DIN EN ISO 15589-2-2014 Petroleum petrochemical and natural gas industries - Cathodic protection of pipeline transportation systems - Part 2 Offshore pipelines (ISO 15589-2 2012) G.pdf

1、July 2014 Translation by DIN-Sprachendienst.English price group 26No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 7

2、5.200!%2w“2158498www.din.deDDIN EN ISO 15589-2Petroleum, petrochemical and natural gas industries Cathodic protection of pipeline transportation systems Part 2: Offshore pipelines (ISO 15589-2:2012);English version EN ISO 15589-2:2014,English translation of DIN EN ISO 15589-2:2014-07Erdl- und Erdgas

3、industrie Kathodischer Schutz fr Transportleitungssysteme Teil 2: Offshore-Pipelines (ISO 15589-2:2012);Englische Fassung EN ISO 15589-2:2014,Englische bersetzung von DIN EN ISO 15589-2:2014-07Industries du ptrole, de la ptrochimie et du gaz naturel Protection cathodique des systmes de transport par

4、 conduites Partie 2: Conduites en mer (ISO 15589-2:2012);Version anglaise EN ISO 15589-2:2014,Traduction anglaise de DIN EN ISO 15589-2:2014-07www.beuth.deDocument comprises 68 pagesIn case of doubt, the German-language original shall be considered authoritative.05.14 DIN EN ISO 15589-2:2014-07 2 A

5、comma is used as the decimal marker. National foreword The text of this document (ISO 15589-2:2012) has been prepared by Technical Committee ISO/TC 67 “Materials, equipment and offshore structures for petroleum and natural gas industries” and has been taken over as EN ISO 15589-2:2014 by Technical C

6、ommittee CEN/TC 219 “Cathodic protection” (Secretariat: BSI, United Kingdom). The responsible German body involved in its preparation was the Normenausschuss Erdl- und Erdgasgewinnung (Petroleum and Natural Gas Industries Standards Committee), Working Committee NA 109-00-02 AA Fernleitungssysteme Sp

7、iegelausschuss zu ISO/TC 67/SC 2. The DIN Standards corresponding to the International Standards referred to in this document are as follows: ISO 1461 DIN EN ISO 1461 ISO 8044 DIN EN ISO 8044 ISO 8501-1 DIN EN ISO 8501-1 ISO 9606-1 DIN EN ISO 9606-1 ISO 13623 DIN EN 14161 ISO 14001 DIN EN ISO 14001

8、ISO 14723 DIN EN ISO 14723 ISO 21809 (all parts) DIN EN ISO 21809 (all parts) ISO 15607 DIN EN ISO 15607 ISO/TS 29001 DIN CEN/ISO TS 29001 (DIN SPEC 91421) DIN EN ISO 15589-2:2014-07 3 National Annex NA (informative) Bibliography DIN EN 14161, Petroleum and natural gas industries Pipeline transporta

9、tion systems DIN EN ISO 1461, Hot dip galvanized coatings on fabricated iron and steel articles Specifications and test methods DIN EN ISO 8044, Corrosion of metals and alloys Basic terms and definitions DIN EN ISO 8501-1, Preparation of steel substrates before application of paints and related prod

10、ucts Visual assessment of surface cleanliness Part 1: Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previous coatings DIN EN ISO 9606-1, Qualification testing of welders Fusion welding Part 1: Steels DIN EN ISO 14001, Environmental m

11、anagement systems Requirements with guidance for use DIN EN ISO 14723, Petroleum and natural gas industries Pipeline transportation systems Subsea pipeline valves DIN EN ISO 21809 (all parts), Petroleum and natural gas industries External coatings for buried or submerged pipelines used in pipeline t

12、ransportation systems DIN EN ISO 15607, Specification and qualification of welding procedures for metallic materials General rules DIN CEN ISO/TS 29001 (DIN SPEC 91421), Petroleum, petrochemical and natural gas industries Sector-specific quality management systems Requirements for product and servic

13、e supply organizations DIN EN ISO 15589-2:2014-07 4 This page is intentionally blank EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 15589-2 March 2014 ICS 75.200 English Version Petroleum, petrochemical and natural gas industries - Cathodic protection of pipeline transportation systems - P

14、art 2: Offshore pipelines (ISO 15589-2:2012) Industries du ptrole, de la ptrochimie et du gaz naturel - Protection cathodique des systmes de transport par conduites - Partie 2: Conduites en mer (ISO 15589-2:2012)Erdl- und Erdgasindustrie - Kathodischer Schutz fr Transportleitungssysteme - Teil 2: Of

15、fshore-Pipelines(ISO 15589-2:2012) This European Standard was approved by CEN on 6 March 2014. 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-da

16、te lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre 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

17、 under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, For

18、mer Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT

19、 EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2014 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 15589-2:2014 EContents PageForeword .4Introduction .

20、51 Scope . 62 Normative references 63 Terms and definitions . 74 Symbols and abbreviated terms . 94.1 Symbols . 94.2 Abbreviated terms . 95 General 105.1 Competence assurance 105.2 Compliance . 106 Cathodic protection system requirements 106.1 General . 106.2 Selection of CP systems . 116.3 Isolatin

21、g joints . 117 Design parameters . 127.1 General . 127.2 Protection potentials . 137.3 Design life . 157.4 Design current densities for bare steel . 157.5 Coating breakdown factors . 178 Galvanic anodes 208.1 Design of system . 208.2 Selection of anode material . 218.3 Electrochemical properties . 2

22、28.4 Anode shape and utilization factor . 228.5 Mechanical and electrical considerations .239 Galvanic anode manufacturing .239.1 Pre-production test 239.2 Coating 239.3 Anode core materials 249.4 Aluminium anode materials . 249.5 Zinc anode materials . 2510 Galvanic anode quality control .2510.1 Ge

23、neral 2510.2 Steel anode cores . 2510.3 Chemical analysis of anode alloy 2610.4 Anode mass . 2610.5 Anode dimensions and straightness . 2610.6 Anode core dimensions and position . 2710.7 Anode surface irregularities . 2710.8 Cracks . 2710.9 Internal defects, destructive testing 2810.10 Electrochemic

24、al quality control testing 2911 Galvanic anode installation 3012 Impressed-current CP systems .3112.1 Current sources and control . 3112.2 Impressed-current anode materials 3112.3 System design 31DIN EN ISO 15589-2:2014-07 EN ISO 15589-2:2014 (E) 2 12.4 Manufacturing and installation considerations.

25、3212.5 Mechanical and electrical considerations .3213 Documentation 3313.1 Design, manufacturing and installation documentation .3313.2 Commissioning procedures 3413.3 Operating and maintenance manual . 3414 Operation, monitoring and maintenance of CP systems 3514.1 General 3514.2 Monitoring plans 3

26、514.3 Repair . 35Annex A (normative) Galvanic anode CP design procedures .36Annex B (normative) Attenuation of protection42Annex C (normative) Performance testing of galvanic anode materials 45Annex D (normative) CP monitoring and surveys .47Annex E (normative) Laboratory testing of galvanic anodes

27、for quality control 54Annex F (informative) Interference 56Annex G (informative) Pipeline design for CP58Bibliography .64DIN EN ISO 15589-2:2014-07 EN ISO 15589-2:2014 (E) 3 DIN EN ISO 15589-2:2014-07 EN ISO 15589-2:2014 (E) 4Foreword The text of ISO 15589-2:2012 has been prepared by Technical Commi

28、ttee ISO/TC 67 “Materials, equipment and offshore structures for petroleum, petrochemical and natural gas industries” of the International Organization for Standardization (ISO) and has been taken over as EN ISO 15589-2:2014 by Technical Committee CEN/TC 219 “Cathodic protection” the secretariat of

29、which is held by BSI. 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 September 2014, and conflicting national standards shall be withdrawn at the latest by September 2014. Attention is drawn to t

30、he possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following coun

31、tries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Po

32、land, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 15589-2:2012 has been approved by CEN as EN ISO 15589-2:2014 without any modification. IntroductionThe technical revision of this part of ISO 15589 has been carr

33、ied out in order to accommodate the needs of industry and to move this International Standard to a higher level of service within the petroleum, petrochemical and natural gas industry.Pipeline cathodic protection is achieved by the supply of sufficient direct current to the external pipe surface, so

34、 that the steel-to-electrolyte potential is lowered on all the surface to values at which external corrosion is reduced to an insignificant rate.Cathodic protection is normally used in combination with a suitable protective coating system to protect the external surfaces of steel pipelines from corr

35、osion.Users of this part of ISO 15589 should be aware that further or differing requirements may be needed for individual applications. This part of ISO 15589 is not intended to prevent alternative equipment or engineering solutions from being used for individual applications. This may be particular

36、ly applicable where there is innovative or developing technology. Where an alternative is offered, it is intended that any variations from this part of ISO 15589 be identified and documented.This part of ISO 15589 can also be used for offshore pipelines outside the petroleum, petrochemical and natur

37、al gas industries.DIN EN ISO 15589-2:2014-07 EN ISO 15589-2:2014 (E) 5 1 ScopeThis part of ISO 15589 specifies requirements and gives recommendations for the pre-installation surveys, design, materials, equipment, fabrication, installation, commissioning, operation, inspection and maintenance of cat

38、hodic protection (CP) systems for offshore pipelines for the petroleum, petrochemical and natural gas industries as defined in ISO 13623.This part of ISO 15589 is applicable to carbon steel, stainless steel and flexible pipelines in offshore service.This part of ISO 15589 is applicable to retrofits,

39、 modifications and repairs made to existing pipeline systems.This part of ISO 15589 is applicable to all types of seawater and seabed environments encountered in submerged conditions and on risers up to mean water level.2 Normative referencesThe following referenced documents are indispensable for t

40、he application 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.ISO 1461, Hot dip galvanized coatings on fabricated iron and steel articles Specifications and test methodsI

41、SO 8044, Corrosion of metals and alloys Basic terms and definitionsISO 8501-1, Preparation of steel substrates before application of paints and related products Visual assessment of surface cleanliness Part 1: Rust grades and preparation grades of uncoated steel substrates and of steel substrates af

42、ter overall removal of previous coatingsISO 9606-1, Qualification testing of welders Fusion welding Part 1: SteelsISO 13623, Petroleum and natural gas industries Pipeline transportation systemsISO 15589-1, Petroleum, petrochemical and natural gas industries Cathodic protection of pipeline transporta

43、tion systems Part 1: On-land pipelinesISO 15607, Specification and qualification of welding procedures for metallic materials General rulesASTM D11411), Standard Practice for the Preparation of Substitute Ocean WaterAWS D1.1/D1.1M2), Structural Welding Code SteelEN 10025 (all parts)3), Hot rolled pr

44、oducts of structural steelsEN 10204:2004, Metallic products Types of inspection documents1) American Society for Testing and Materials, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, USA.2) American Welding Society, 550 NW Le Jeune Road, Miami, FL 33126, USA.3) European Committee for Stand

45、ardization, Management Centre, Avenue Marnix 17, B-1000, Brussels, Belgium.DIN EN ISO 15589-2:2014-07 EN ISO 15589-2:2014 (E) 6 3 Terms and definitionsFor the purposes of this document, the terms and definitions given in ISO 8044 and the following apply.3.1anode potentialanode-to-electrolyte potenti

46、al3.2anode sledanodes installed on a structure and connected to the pipeline by a cable3.3closed-circuit anode potentialanode potential while electrically linked to the pipeline to be protected3.4coating breakdown factorfcratio of current density required to polarize a coated steel surface as compar

47、ed to a bare steel surface3.5cold shuthorizontal surface discontinuity caused by solidification of the meniscus of the partially cast anodes as a result of interrupted flow of the casting stream3.6driving voltagedifference between the pipeline/electrolyte potential and the anode/electrolyte potential when the cathodic protection is operating3.7electric field gradientchange in electrical potential per unit distance through a conductive medium, arising

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