kSIST FprEN ISO 18797-2:2021
(Main)Petroleum, petrochemical and natural gas industries - External corrosion protection of risers by coatings and linings - Part 2: Maintenance and field repair coatings for riser pipes (ISO/FDIS 18797-2:2021)
Petroleum, petrochemical and natural gas industries - External corrosion protection of risers by coatings and linings - Part 2: Maintenance and field repair coatings for riser pipes (ISO/FDIS 18797-2:2021)
This document specifies the selection criteria and minimum requirements for protective coating systems for field maintenance and repair of risers exposed to conditions in the splash zone.
This document does not cover the selection of techniques and materials used to restore integrity of the risers to be coated.
This document neither covers the selection of additional mechanical protective materials that are not part of the described coating systems included in this document.
Erdöl-, petrochemische und Erdgasindustrie - Äußerer Korrosionsschutz von Steigleitungen durch Beschichtungen und Auskleidungen - Teil 2: Wartungs- und Reparaturbeschichtungen für Steigleitungen (ISO/FDIS 18797-2:2021)
Industries du pétrole, de la pétrochimie et du gaz naturel - Protection de la corrosion externe des tubes de production par revêtements et doublures - Partie 2: Entretien et réparation in situ des tubes de production (ISO/FDIS 18797-2:2021)
Petrokemična industrija ter industrija za predelavo nafte in zemeljskega plina - Zunanja protikorozijska zaščita dvižnih cevi s prevlekami in oblogami - 2. del: Vzdrževanje in popravilo proizvodnih cevi na kraju samem (ISO/FDIS 18797-2:2021)
General Information
Standards Content (sample)
SLOVENSKI STANDARD
oSIST prEN ISO 18797-2:2020
01-september-2020
Petrokemična industrija ter industrija za predelavo nafte in zemeljskega plina -
Zunanja protikorozijska zaščita dvižnih cevi s prevlekami in oblogami - 2. del:
Vzdrževanje in popravilo proizvodnih cevi na kraju samem (ISO/DIS 18797-2:2020)
Petroleum, petrochemical and natural gas industries - External corrosion protection of
risers by coatings and linings - Part 2: Maintenance and field repair coatings for riser
pipes (ISO/DIS 18797-2:2020)Erdöl-, petrochemische und Erdgasindustrie - Äußerer Korrosionsschutz von
Steigleitungen durch Beschichtungen und Auskleidungen - Teil 2: Wartungs- und
Reparaturbeschichtungen für Steigleitungen (ISO/DIS 18797-2:2020)
Industries du pétrole, de la pétrochimie et du gaz naturel - Protection de la corrosion
externe des tubes de production par revêtements et doublures - Partie 2: Entretien et
réparation in situ des tubes de production (ISO/DIS 18797-2:2020)Ta slovenski standard je istoveten z: prEN ISO 18797-2
ICS:
25.220.01 Površinska obdelava in Surface treatment and
prevleke na splošno coating in general
75.180.10 Oprema za raziskovanje, Exploratory, drilling and
vrtanje in odkopavanje extraction equipment
oSIST prEN ISO 18797-2:2020 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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oSIST prEN ISO 18797-2:2020
DRAFT INTERNATIONAL STANDARD
ISO/DIS 18797-2
ISO/TC 67 Secretariat: NEN
Voting begins on: Voting terminates on:
2020-07-03 2020-09-25
Petroleum, petrochemical and natural gas industries -
External corrosion protection of risers by coatings and
linings —
Part 2:
Maintenance and field repair coatings for riser pipes
Industries du pétrole, de la pétrochimie et du gaz naturel — Protection de la corrosion externe des tubes de
production par revêtements et doublures —Partie 2: Partie 2: Entretien et réparation in situ des tubes de production
ICS: 75.180.10
THIS DOCUMENT IS A DRAFT CIRCULATED
This document is circulated as received from the committee secretariat.
FOR COMMENT AND APPROVAL. IT IS
THEREFORE SUBJECT TO CHANGE AND MAY
NOT BE REFERRED TO AS AN INTERNATIONAL
STANDARD UNTIL PUBLISHED AS SUCH.
IN ADDITION TO THEIR EVALUATION AS
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BEING ACCEPTABLE FOR INDUSTRIAL,
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STANDARDS MAY ON OCCASION HAVE TO
BE CONSIDERED IN THE LIGHT OF THEIR
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
Reference number
NATIONAL REGULATIONS.
ISO/DIS 18797-2:2020(E)
RECIPIENTS OF THIS DRAFT ARE INVITED
TO SUBMIT, WITH THEIR COMMENTS,
NOTIFICATION OF ANY RELEVANT PATENT
RIGHTS OF WHICH THEY ARE AWARE AND TO
PROVIDE SUPPORTING DOCUMENTATION. ISO 2020
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oSIST prEN ISO 18797-2:2020
ISO/DIS 18797-2:2020(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2020
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ii © ISO 2020 – All rights reserved
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oSIST prEN ISO 18797-2:2020
ISO/DIS 18797-2:2020(E)
Contents Page
Foreword ........................................................................................................................................................................................................................................vi
Introduction ..............................................................................................................................................................................................................................vii
1 Scope ................................................................................................................................................................................................................................. 1
2 Normative references ...................................................................................................................................................................................... 1
3 Terms and definitions ..................................................................................................................................................................................... 3
4 Symbols and abbreviated terms ........................................................................................................................................................... 6
4.1 Symbols ......................................................................................................................................................................................................... 6
4.2 Abbreviated terms ............................................................................................................................................................................... 7
5 Coating types ............................................................................................................................................................................................................ 7
6 General requirements ..................................................................................................................................................................................... 7
6.1 Responsibility of the client ........................................................................................................................................................... 7
6.2 Rounding ...................................................................................................................................................................................................... 7
6.3 Conformance to this document ................................................................................................................................................. 8
7 Qualification processes and application procedures ..................................................................................................... 8
7.1 General ........................................................................................................................................................................................................... 8
7.2 Information to be supplied by the client .......................................................................................................................... 8
7.3 APS and ITP ................................................................................................................................................................................................ 9
7.4 Coating materials ...............................................................................................................................................................................11
7.5 Technical assessment of coating conformity .............................................................................................................11
7.6 Procedure qualification trial ....................................................................................................................................................12
7.7 Pre-production trial .........................................................................................................................................................................12
7.8 Production, testing and inspection .....................................................................................................................................13
7.8.1 General...................................................................................................................................................................................13
7.8.2 Inspection documents and traceability .....................................................................................................13
8 Selection criteria for repair coatings ...........................................................................................................................................13
8.1 General ........................................................................................................................................................................................................13
8.2 Application constraints.................................................................................................................................................................14
8.2.1 Wet substrates ................................................................................................................................................................14
8.2.2 Contamination by soluble salts ........................................................................................................................15
8.2.3 Dust contamination ....................................................................................................................................................15
8.2.4 Contamination by oil, grease and other petroleum-like products .....................................15
8.2.5 Compatibility with existing coating ..............................................................................................................15
8.2.6 Feasibility of surface cleaning ...........................................................................................................................16
8.2.7 Space and riser access constraints ................................................................................................................16
8.2.8 Time constraints ...........................................................................................................................................................16
8.2.9 Temperatures and relative humidity ...........................................................................................................16
8.2.10 Coating continuity .......................................................................................................................................................16
8.3 Operational conditions..................................................................................................................................................................17
8.3.1 Resistance to ageing, weathering and water ........................................................................................17
8.3.2 Resistance to mechanical loads ........................................................................................................................17
8.3.3 Interaction with cathodic protection ..........................................................................................................17
9 Test programs .......................................................................................................................................................................................................17
9.1 Substrate conditions used for tests ....................................................................................................................................17
9.2 Inspections, tests and frequencies ......................................................................................................................................18
9.3 Retest ............................................................................................................................................................................................................18
10 Non-crystalline low-viscosity polyolefin based coatings .........................................................................................18
10.1 Coating identification .....................................................................................................................................................................18
10.2 Description of the coatings ........................................................................................................................................................19
10.3 Surface preparation .........................................................................................................................................................................19
10.4 Application of coatings ..................................................................................................................................................................20
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oSIST prEN ISO 18797-2:2020
ISO/DIS 18797-2:2020(E)
10.4.1 General...................................................................................................................................................................................20
10.4.2 Overlap ..................................................................................................................................................................................20
10.5 Testing of coatings ............................................................................................................................................................................20
10.5.1 General...................................................................................................................................................................................20
10.5.2 Thickness .............................................................................................................................................................................20
10.5.3 Glass transition temperature and crystallization temperature ............................................21
10.5.4 Holiday detection .........................................................................................................................................................21
10.5.5 Drip resistance ................................................................................................................................................................21
10.5.6 Adhesion to pipe surface and existing coating .................. ..................................................................21
10.5.7 Lap shear resistance ..................................................................................................................................................22
10.5.8 Specific electrical insulation resistance ....................................................................................................22
10.5.9 Impact resistance .........................................................................................................................................................22
10.5.10 Indentation resistance .............................................................................................................................................22
10.5.11 Cathodic disbondment resistance ..................................................................................................................22
10.5.12 Resistance to ageing and weathering .................. ........................................................................................23
10.5.13 Peel strength between layers of outer wrap .........................................................................................23
10.5.14 Thermal ageing resistance ...................................................................................................................................23
10.5.15 Hot-water immersion test ....................................................................................................................................24
11 Petrolatum and wax-based tape wrap systems .................................................................................................................30
11.1 Coating identification .....................................................................................................................................................................30
11.2 Description of the tape wrap systems ......... .....................................................................................................................30
11.2.1 Petrolatum tape wrap systems (type 11A) ............................................................................................30
11.2.2 Wax-based tape wrap systems (type 11B) .............................................................................................31
11.3 Surface preparation .........................................................................................................................................................................31
11.4 Application of coating systems ..............................................................................................................................................31
11.4.1 General...................................................................................................................................................................................31
11.4.2 Overlap ..................................................................................................................................................................................31
11.5 Testing of the coating systems ................................................................................................................................................32
11.5.1 General...................................................................................................................................................................................32
11.5.2 Density ...................................................................................................................................................................................32
11.5.3 Dielectric strength .......................................................................................................................................................32
11.5.4 Thickness .............................................................................................................................................................................32
11.5.5 Holiday detection .........................................................................................................................................................33
11.5.6 Impact resistance .........................................................................................................................................................33
11.5.7 Indentation resistance .............................................................................................................................................33
11.5.8 Specific electrical insulation resistance ....................................................................................................33
11.5.9 Cathodic disbondment resistance ..................................................................................................................33
11.5.10 Adhesion to pipe surface and existing coating .................. ..................................................................34
11.5.11 Drip resistance ................................................................................................................................................................34
11.5.12 Thermal ageing resistance ...................................................................................................................................34
11.5.13 Hot water immersion test .....................................................................................................................................34
11.5.14 Resistance to ageing and weathering .................. ........................................................................................34
12 Polychloroprene based elastomeric coatings......................................................................................................................41
12.1 Coating identification .....................................................................................................................................................................41
12.2 Description of the coatings ........................................................................................................................................................41
12.3 Surface preparation .........................................................................................................................................................................41
12.4 Application of the coating ...........................................................................................................................................................42
12.4.1 General...................................................................................................................................................................................42
12.4.2 Overlap ..................................................................................................................................................................................42
12.5 Testing of the coatings ...................................................................................................................................................................42
12.5.1 General...................................................................................................................................................................................42
12.5.2 Visual appearance ........................................................................................................................................................42
12.5.3 Thickness .............................................................................................................................................................................42
12.5.4 Holiday detection .........................................................................................................................................................42
12.5.5 Hardness ..............................................................................................................................................................................43
12.5.6 Adhesion to pipe surface and existing coating .................. ..................................................................43
12.5.7 Cathodic disbondment resistance ..................................................................................................................43
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oSIST prEN ISO 18797-2:2020
ISO/DIS 18797-2:2020(E)
12.5.8 Density ...................................................................................................................................................................................43
12.5.9 Rheometer curve ..........................................................................................................................................................43
12.5.10 Tensile strength .............................................................................................................................................................43
12.5.11 Elongation at break .................. ......................................................................................................................... ..........43
12.5.12 Tear strength ....................................................................................................................................................................43
12.5.13 Electrical volume resistivity ................................................................................................................................44
12.5.14 Ozone resistance ...........................................................................................................................................................44
12.5.15 Resistance to seawater ............................................................................................................................................44
12.5.16 Hot-water immersion test ....................................................................................................................................44
12.5.17 Thermal ageing resistance ...................................................................................................................................44
12.5.18 Resistance to ageing and weathering .................. ........................................................................................44
13 Liquid-applied epoxy coatings ............................................................................................................................................................47
13.1 Coating identification .....................................................................................................................................................................47
13.2 Description of the liquid-applied epoxy coating .....................................................................................................47
13.3 Surface preparation .........................................................................................................................................................................48
13.4 Application of the coatings ........................................................................................................................................................48
13.4.1 General...................................................................................................................................................................................48
13.4.2 Overlap ..................................................................................................................................................................................48
13.5 Testing of the coatings ...................................................................................................................................................................48
13.5.1 General...................................................................................................................................................................................48
13.5.2 Dry-film thickness .......................................................................................................................................................48
13.5.3 Holiday detection .........................................................................................................................................................48
13.5.4 Hardness ..............................................................................................................................................................................49
13.5.5 Impact resistance .........................................................................................................................................................49
13.5.6 Indentation resistance .............................................................................................................................................49
13.5.7 Specific electrical insulation resistance ....................................................................................................49
13.5.8 Cathodic disbondment resistance ..................................................................................................................49
13.5.9 Adhesion to pipe surface and existing coating .................. ..................................................................49
13.5.10 Thermal ageing resistance ...................................................................................................................................49
13.5.11 Hot-water immersion test ....................................................................................................................................50
13.5.12 Resistance to ageing and weathering .................. ........................................................................................50
Annex A (informative) Likelihood of exposure in splash zone area .................................................................................54
Bibliography .............................................................................................................................................................................................................................56
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oSIST prEN ISO 18797-2:2020
ISO/DIS 18797-2:2020(E)
Foreword
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bodies (ISO member bodies). The work of preparing International Standards 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 committee. Internat
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