A comprehensive understanding of the key issues affecting the integrity of subsea pipelines will help delegates assess defects in a stage approach, using basic screening tools to undertake detailed assessments.
Pipeline Integrity Management System
Introduction, What does a PIMS involve?
Flow assurance
Introduction to flow assurance, Causes of flow restriction, Flow control methods
External inspection
Introduction, What to look for, Inspection methods, Riser and flexible inspection, Pig trap inspection, Risk-based inspection
Thermal buckling
What is a thermal buckle?, Why are they a problem?, Assessment, Mitigation and remediation
Pigging
Types of pigs, piggability of pipeline, pig suitability, launching and receiving.
Internal inspection
Introduction, Gauge pig, Calliper pig, Magnetic flux pig, Ultrasonic pig, Inspection of flexibles, Other pigs, Launching and receiving, Case study
Corrosion overview
Introduction, Types of corrosion, Corrosion rate modelling, Corrosion monitoring, Control measures, Case studies
Corrosion defects
Defect types and loadings, Corrosion defect assessment levels, Corrosion defect assessment codes, Corrosion defect interaction, Crack assessment
Dent assessment
Dent properties and behaviour, Causes of dents in subsea pipeines, Methods of assessment, Worked example, Exercise, Case studies
Stability
Pipeline instability, Stabilisation options, Case studies
Spans
Span detection, Assessment of spans, Stress analysis, Buckling, Vortex-induced vibrations, Remedial measures
Offshore repairs
Pipewrap, Clamp repairs, Spool repairs, Mechanical connectors, Hyperbaric welding, Other repair methods
Isolation
Operations issues, Tethered isolation plugs, Remote set isolation pigs, Remote set spheres, Pipe freezing, High friction pigs, Hot tap and stopple, Environment and safety
Life extension and decommissioning
Pipeline design life, Pipeline life extension, Pipeline decommissioning, Decommissioning regulations, Status of subsea decommissioning, Decommissioning options
