1、BSI Standards PublicationBS EN ISO 15589-2:2014BS ISO 15589-2:2012Petroleum, petrochemicaland natural gas industries Cathodic protection of pipelinetransportation systemsPart 2: Offshore pipelinesBS EN ISO 15589-2:2014 BRITISH STANDARDNational forewordThis British Standard is the UK implementation o
2、f EN ISO 15589-2:2014. It is identical to ISO 15589-2:2012. It supersedes BS ISO 15589-2:2012, which is withdrawn.The UK participation in its preparation was entrusted by Technical Committee PSE/17, Materials and equipment for petroleum, petrochemical and natural gas industries, to Subcommittee PSE/
3、17/2, Transmission pipelines.A list of organizations represented on this subcommittee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institut
4、ion 2014. Published by BSI Standards Limited 2014ISBN 978 0 580 83141 6ICS 75.200Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 December 2012.Amendments/corr
5、igenda issued since publicationDate Text affected31 May 2014 This corrigendum renumbers BS ISO 15589-2:2012 as BS EN ISO 15589-2:2014EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 15589-2 March 2014 ICS 75.200 English Version Petroleum, petrochemical and natural gas industries - Cathodic p
6、rotection of pipeline transportation systems - Part 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
7、 Schutz fr Transportleitungssysteme - Teil 2: Offshore-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 n
8、ational standard without any alteration. Up-to-date 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
9、version in any other language made by translation 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, Cypru
10、s, Czech Republic, Denmark, Estonia, Finland, Former 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 King
11、dom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT 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 155
12、89-2:2014 EBS EN ISO 15589-2:2014EN ISO 15589-2:2014 (E) 3 Foreword The text of ISO 15589-2:2012 has been prepared by Technical Committee ISO/TC 67 “Materials, equipment and offshore structures for petroleum, petrochemical and natural gas industries” of the International Organization for Standardiza
13、tion (ISO) and has been taken over as EN ISO 15589-2:2014 by Technical Committee CEN/TC 219 “Cathodic protection” the secretariat of 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 lat
14、est by September 2014, and conflicting national standards shall be withdrawn at the latest by September 2014. Attention is drawn to the 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
15、all such patent rights. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic o
16、f Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 15589-2:2012 has been approv
17、ed by CEN as EN ISO 15589-2:2014 without any modification. EN ISO 15589-2:2014 (E) 3 Foreword The text of ISO 15589-2:2012 has been prepared by Technical Committee ISO/ C 67 “Materials, equipment and offshore structures for petroleum, petrochemical and natural gas industries” of the International Or
18、ganization 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 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
19、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 the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsib
20、le for identifying any or all such patent rights. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland,
21、Former 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 the United Kingdom. Endorsement notice The text of ISO 15
22、589-2:2012 has been approved by CEN as EN ISO 15589-2:2014 without any modification. BS EN ISO 15589-2:2014BS ISO 15589-2:2012ISO 15589-2:2012(E) ISO 2012 All rights reserved iiiContents PageForeword vIntroduction vi1 Scope . 12 Normative references 13 Terms and definitions . 24 Symbols and abbrevia
23、ted terms . 44.1 Symbols . 44.2 Abbreviated terms . 45 General 55.1 Competence assurance 55.2 Compliance . 56 Cathodic protection system requirements 56.1 General . 56.2 Selection of CP systems . 66.3 Isolating joints . 67 Design parameters . 77.1 General . 77.2 Protection potentials . 87.3 Design l
24、ife . 107.4 Design current densities for bare steel . 107.5 Coating breakdown factors . 128 Galvanic anodes 158.1 Design of system . 158.2 Selection of anode material . 168.3 Electrochemical properties . 178.4 Anode shape and utilization factor . 178.5 Mechanical and electrical considerations . 189
25、Galvanic anode manufacturing .189.1 Pre-production test 189.2 Coating 189.3 Anode core materials 199.4 Aluminium anode materials . 199.5 Zinc anode materials . 2010 Galvanic anode quality control .2010.1 General 2010.2 Steel anode cores . 2010.3 Chemical analysis of anode alloy 2110.4 Anode mass . 2
26、110.5 Anode dimensions and straightness . 2110.6 Anode core dimensions and position . 2210.7 Anode surface irregularities . 2210.8 Cracks . 2210.9 Internal defects, destructive testing 2310.10 Electrochemical quality control testing 2411 Galvanic anode installation 2512 Impressed-current CP systems
27、.2612.1 Current sources and control . 2612.2 Impressed-current anode materials 2612.3 System design 26BS ISO 15589-2:2012ISO 15589-2:2012(E) ISO 2012 All rights reserved iiiContents PageForeword vIntroduction vi1 Scope . 12 Normative references 3 Terms and definitions . 24 Symbols and abbreviated te
28、rms . 44.1 Symbols . 44.2 Abbreviated terms . 45 General 55.1 Competence assurance 55.2 Compliance . 56 Cathodic protection system requirements 6.1 General . 56.2 Selection of CP systems . 66.3 Isolating joints . 67 Design parameters . 77.1 General . 77.2 Protection potentials . 87.3 Design life . 1
29、07.4 Design current densities for bare steel . 107.5 Coating breakdown factors . 128 Galvanic anodes 158.1 Design of system . 158.2 Selection of anode material . 168.3 Electrochemical properties . 178.4 Anode shape and utilization factor . 178.5 Mechanical and electrical considerations . 189 Galvani
30、c anode manufacturing .9.1 Pre-production test 189.2 Coating 189.3 Anode core materials 199.4 Aluminium anode materials . 199.5 Zinc anode materials . 2010 Galvanic anode quality control .10.1 General 2010.2 Steel anode cores . 2010.3 Chemical analysis of anode alloy 2110.4 Anode mass . 2110.5 Anode
31、 dimensions and straightness . 2110.6 Anode core dimensions and position . 2210.7 Anode surface irregularities . 2210.8 Cracks . 2210.9 Internal defects, destructive testing 2310.10 Electrochemical quality control testing 2411 Galvanic anode installation 2512 Impressed-current CP systems .2612.1 Cur
32、rent sources and control . 2612.2 Impressed-current anode materials 2612.3 System design 26BS EN ISO 15589-2:2014BS ISO 15589-2:2012ISO 15589-2:2012(E)iv ISO 2012 All rights reserved12.4 Manufacturing and installation considerations.2712.5 Mechanical and electrical considerations . 2713 Documentatio
33、n 2813.1 Design, manufacturing and installation documentation .2813.2 Commissioning procedures 2913.3 Operating and maintenance manual . 2914 Operation, monitoring and maintenance of CP systems 3014.1 General 3014.2 Monitoring plans 3014.3 Repair . 30Annex A (normative) Galvanic anode CP design proc
34、edures .31Annex B (normative) Attenuation of protection37Annex C (normative) Performance testing of galvanic anode materials 40Annex D (normative) CP monitoring and surveys .42Annex E (normative) Laboratory testing of galvanic anodes for quality control 49Annex F (informative) Interference 51Annex G
35、 (informative) Pipeline design for CP53Bibliography .59BS EN ISO 15589-2:2014BS ISO 15589-2:2012ISO 15589-2:2012(E)iv ISO 2012 All rights reserved12.4 Manufacturing and installation considerations.2712.5 Mechanical and electrical considerations . 2713 Documentation 2813.1 Design, manufacturing and i
36、nstallation documentation .2813.2 Commissioning procedures 2913.3 Operating and maintenance manual . 2914 Operation, monitoring and maintenance of CP systems 3014.1 General 3014.2 Monitoring plans 3014.3 Repair . 30Annex A (normative) Galvanic anode CP design procedures .31Annex B (normative) Attenu
37、ation of protection37Annex C (normative) Performance testing of galvanic anode materials 40Annex D (normative) CP monitoring and surveys .42Annex E (normative) Laboratory testing of galvanic anodes for quality control 49Annex F (informative) Interference 51Annex G (informative) Pipeline design for C
38、P53Bibliography .59BS ISO 15589-2:2012ISO 15589-2:2012(E)IntroductionThe technical revision of this part of ISO 15589 has been carried 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 natura
39、l gas industry.Pipeline cathodic protection is achieved by the supply of sufficient direct current to the external pipe surface, so 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 n
40、ormally used in combination with a suitable protective coating system to protect the external surfaces of steel pipelines from corrosion.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 int
41、ended to prevent alternative equipment or engineering solutions from being used for individual applications. This may be particularly 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 iden
42、tified and documented.This part of ISO 15589 can also be used for offshore pipelines outside the petroleum, petrochemical and natural gas industries.vi ISO 2012 All rights reservedBS ISO 15589-2:2012ISO 15589-2:2012(E)ForewordISO (the International Organization for Standardization) is a worldwide fe
43、 ration f national standarbodies (ISO member bodies). The work of preparing International Standa ds 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 committe
44、e. 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.International Standards are drafted in accordance w
45、ith the rules given in the ISO/IEC Directives, Part 2.The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires appro
46、val by at least 75 % of the member bodies casting a vote.Attention s 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.ISO 15589-2 was p epared by Technical Committe
47、e ISO/TC 67, Materials, equipment and offhore structures for petroleum, petrochemical and natural gas industries, Subcommittee SC 2, Pipeline transportation systems.This second edition cancels and replaces the first edition (ISO 15589-2:2004), which has been technically revised as follows: In Clause
48、 6 recommendations for isolating joints are included. In Clause 7 a subclause on hydrogen-induced stress cracking evaluation is included. In Clause 7 coating breakdown factors have been reorganized by splitting into “with” and “without” concrete coating. More conservative values for some coating sys
49、tems have been selected based on feedback from daily practice in industry. In Clause 8 recommendations on anode electrochemical properties for seawater with low salinity are included. Design values for electrochemical capacity in Clause 8 have been reduced. Higher values are permitted if properly documented. Quality control of anodes has been adjusted regarding tolerances, straightness, mass, surface irregularities and cracking (Clause 10). The guidance on attenuation calculation has been significantly extended. A new Annex B has been introduced and
