KOC-MS-001 Pt1 R2

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Clarified for gas and mixed gas & liquids lines above 2 0 " dia. Clarified NDT after hydrostatic testing Amended formula t o match API 5L ( 4 4 edition) Added Q grade t o X-70 material Clarified HIC testing Requirements for strip-end welds added Amended strip-end weld requirements
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Amended the minimum required length Clarified the requirements Deleted misalignment and offset
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Clause 8 , l (Pipe length) Table 4 (NDT for Seamless pipe) Table 4 (Macrographic Testing ..... .) Table 4 (Drop weight test) Clause 7.6.2 Table 2 Clause 6.4.2.3 (a) Clause 5.3.4 ( N e w ) Clause 5.3.2 (d) Clause 2.3 ( N e w )
Rev. 2 : Amendments
DOC. N O . KOC-MS-001 P T . l
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TABLE OF CONTENTS PAGE NO. FOREWORD 1.O 2.0 3.0 SCOPE APPLICATION TERMINOLOGY 3.1 Definitions 3.2 Abbreviated Terms REFERENCE CODES, STANDARDS AND SPECIFICPLTIONS 4.1 List of Int'l / National Standards and Codes 4.2 KOC Standards PIPE 5.1 5.2 5.3 MANUFACTURING Manufacturing Procedure Steel Making Pipe Manufacturing 11 11 15 6
Amended frequency of residual forming stress
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May 2 0 0 9
I tests
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Added Table A 2 (NewITests required for Skelp-end welds Added Clause A.3.6 and Table A 2 on strip-end tests Amended t o weldability for grade X-60 and higher Amended varnishllacquer requirements t o be only
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DOC. N O . KOC-MS-001 P T . l
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QUALITY ASSURANCE MARKING CERTIFICATION AND DOCUMENTATION 1 1 . I Documents t o be submitted w i t h the Offer 1 1 . 2 Documents t o be submitted after the Completion of Manufacturing (Minimum documents as part of MRB) 1 1 . 3 Certification APPENDICES
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MATERIAL REQUIREMENTS 6.1 Chemical Composition 6.2 Carbon Equivalent (CE) 6.3 Tensile Properties 6.4 Sour Service Testing INSPECTION AND TESTING 7.1 General 7.2 Hardness Test 7.3 Non-Destructive Testing (Examination) 7.4 Residual Magnetism 7.5 Other Mechanical Testing 7.6 Hydrostatic Pressure Testing DIMENSIONS, WEIGHTS, LENGTHS, DEFECTS AND END FINISES 8.1 Pipe Length 8.2 Pipe Straightness 8.3 Pipe Diameter 8.4 Longitudinal and Helical Welds Pipe Ends for Seamless and S A W Welded Pipes 8.5 Surface Conditions, Imperfections and Defects 8.6 Preservation for Shipping and/or Storage 8.7 8.8 Bevel Protection 8.9 Packing
STOC. NO. KOC-MS-001 PT.I
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KOC MATERIAL SPECIFICA~TION LINE PIPE FOR SOUR SERVICE DOC.NO. KOC-MS-001 PART1
(This specification partially supersedes KOC-MP-018 and KOC-MP-0'19)
KUWAIT OIL COMPANY (K.S.C.)
STANDARDS PUBLICATION
KOC MATERIAL SPECIFICALTION LINE PIPE FOR SOUR SERVICE DOC. NO. KOC-MS-001 PAIRT 1 (This specification partially supiersedes KOC-MP-018 and KOC-MP-mO19)
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SI and USC units invoked Revision M a d e
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Revised by
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35 36 37-57
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APPENDIX-B:
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APPENDIX-C:
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APPENDIX-D:
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APPENDIX-E:
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APPENDIX-F: APPENDIX-G
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ACKNOWLEDGEMENT
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DOC. NO. KOC-MS-001 PT.l
STANDARDS TEAM
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DOC. NO. KOC-MS-001 PT.l
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STANDARDS PUBLICATION
KOC MATERIAL SPECIF1C;ATlON LINE PIPE FOR SOUR SERVICE
(This specification partially supersedes KOC-MP-018 and KOC-MP-019)
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I for Shipping .....)
Table 5
Clause 8.7.1 (Preservation
I for pipes manufactured outside Kuwait and ( shipped by sea and trucks I Deleted note 5
APPENDIX-A Manufacturing Procedure Qualificaticm for PSL 2 Sour Service Pipe Procedures and Guidance on Test Methods for Stepwise Cracking (SWC) Residual Forming Stress Test for Spirally Welded Pipes Non-Destructive Testing (NDT) for !Seamless and SAW Welded Pipes Informative - W h y is the Ca:S Ratio Specified in Steel Specifications Check List for Document and Certi,ficates Sketches: Hardness Test for Seamless and SAW Pipes
ISSUING AUTHORITY:
STANDARDS TEAM
DOC. NO. KOC-MS-001 PT.l
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Historv of Amendments
Appendix C, Clause C2. Appendix A Appendix A Appendix A, Clause A 2
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FOREWORD
The consequences of sudden failures of metallic components used for the upstream oil and gas production associated w i t h their exposure t o h~ydrogensulphide (H,S) containing production fluids led t o the development of NACE M R 0 1 7 5 which has been combined w i t h I S 0 1 5 1 5 6 in 2 0 0 3 reflecting t h e efforts of both the National Association of Corrosion Engineers (NACE) and the European Federation of Corrosion (EFC). Subsequently t h e n e w NACE MR0175IISO 1 5 1 5 6 w a s published in December 2 0 0 3 t o provide requirements and recommendations for maderials qualification and selection for application in environments containing w e t H,S in oil and gas production systems. While carbon and l o w alloy steels selected using I S 0 15 1 5 6 - 2 are resistant to cracking in defined H,S-containing environments in oil and gas production; they are not necessarily immune t o cracking under all service conditions. Different service conditions might necessitate the alternative testing that is diealt w i t h in I S 0 1 5 1 562:2003, Annex B. That annex specifies requirements for qualifying carbon and low alloy steels for H,S service b y laboratory testing. This KOC Material Specification (Part 1) is intended t o specl~fythe current practices as per above in KOC operation; and has been approved by Standards team in consultation w i t h Standards Technical Committee (STC) for consistent use by KOC User Teams throughout t h e corporate engineering and operattonal functions of KOC. This Material Specification sets out t o achieve the following objective: "This Material Specification is t o be appended t o KOC Teclhnical Specifications for the procurement of line pipes intended t o be used for sour service". Feedback, comments or suggestions derived from the application of this Material Specification at any stage of design, manufacture and proclurement are encouraged and should be directed to: The Team Leader Standards, (Chairman, Standards Technical Committee) Industrial Services Group Kuwait Oil Company, PO Box 9 7 5 8 , Ahmadi 61008, State of Kuwait