Transcription of TECHNICAL REPORT - ptil.no
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TECHNICAL REPORT DET NORSKE VERITAS PETROLEUM SAFETY AUTHORITY NORWAY (PSA). JOINING METHODS - TECHNOLOGICAL SUMMARIES REPORT NO. 2005-3394 REVISION NO. 01 DET NORSKE VERITAS REPORT No: 2005-3394, rev. 01 TECHNICAL REPORT Page i Reference to part of this REPORT which may lead to misinterpretation is not permissible. Table of Content Page 1 INTRODUCTION .. 1 2 BOLTS FOR SUBSEA 2 Introduction 2 Application 3 Technological status 3 Limitations for bolted joints 5 High integrity bolted connections 5 Requirements for pre-tensioning of the flange connection 5 Adequate procedures for pre-tensioning installation tool 6 Uncertainties and challenges 7 Bolted joint integrity: Need for improvements 8 Important parameters for robust bolted joint 8 References 8 3 S-LAYING GIRTH WELDS OF LARGE X70 TYPE PIPES .. 9 Introduction 9 General 9 Welding 10 Vessel types 10 Application 12 Plastic strain and ECA 12 Technological status 12 Limitations for this joining method 13 Uncertainties and challenges 13 Important parameters for robust joints 14 4 J-LAYING GIRTH WELDS OF HEAVY X65 TYPE PIPES.
DET NORSKE VERITAS Report No: 2005-3394, rev. 01 TECHNICAL REPORT Page 2 Reference to part of this report which may lead to misinterpretation is not permissible. AAAAAW6N.doc 2 BOLTS FOR SUBSEA INSTALLATIONS
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