Page 12 - Pipeline Pigging Technology

Part 4: The Consequences of Inspection

Interpretation of intelligent-pig survey results 417
Acquisition of pipeline data 417
Risk assessment and inspection for structural integrity
management 425
Goal of pipeline integrity programme 427
Risk assessment and pipeline integrity 428
Indentifying pipeline integrity projects 434
Costs and benefits 436
Internal cleaning and coating of in-place pipelines 441
Surface preparation 442
Coating materials 443
Coating application 444
Case studies 445

Part 5: The Future

Pigging research 449
Velocity effect and optimum pig speed 451
Pigs for different diameters 458

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