2009W_ENGI_8673_L05_Matl_Selection

Kenny phd peng engi 8673 subsea pipeline engineering

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Unformatted text preview: Ph.D., P.Eng. ENGI 8673 Subsea Pipeline Engineering – Lecture 05 4 Materials Selection – Project Context Materials Selection Report Key materials document Design Basis Specifications Codes, standards and recommended practice Management Issues Procurement Long lead items Contracting strategy QA/QC 5 © 2009 S. Kenny, Ph.D., P.Eng. ENGI 8673 Subsea Pipeline Engineering – Lecture 05 5 Materials Technology Drivers Prior to 1950’s Problem gas was flared Relatively low flow rate and pressure requirements Small diameter pipelines Seamless linepipe production 6 © 2009 S. Kenny, Ph.D., P.Eng. ENGI 8673 Subsea Pipeline Engineering – Lecture 05 6 Materials Technology Drivers (cont.) 1960’s Expanded Role of Hydrocarbons Longer transmission pipelines ⇑ Throughput Flow rate Operating pressure Diameter Wall thickness Fabrication requirements Diameter Wall thickness 7 © 2009 S. Kenny, Ph.D., P.Eng. ENGI 8673 Subsea Pipeline Engineering – Lecture 05 7 Materials Technology Drivers (cont.) Present Day Demanding operational requirements HPHT (operating and shut-in conditions) Corrosive fluids Produced water (historically well shut-in) Linepipe fabrication Advanced techniques Material chemistry Thermo-mechanical processes 8 © 2009 S. Kenny, Ph.D., P.Eng. ENGI 8...
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