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THIS SECOND, completely-revised, edition of Pipeline Pigging Technology is essentially a compilation of selected papers presented at the conferences organized by Pipes & Pipelines International and Pipe Line Industry in the UK and the USA between 1988 and 1991. The book is thus a successor to the first edition, published in 1987, and brings readers up-to-date with the rapidly-developing technology of pipeline pigging.Although the international pigging industry has unquestionably made major advances in its scope and expertise over the intervening years, it is nevertheless apparent that the comment made in the earlier book - that there is a general lack of knowledge about the use of pipeline pigs of all kinds - is still relevant today. Not only have the conferences at which these papers were presented produced questions such as 'How do I interpret the results of this intelligent pigging inspection?', but they also continue to produce the most basic of pigging questions such as 'Should I use discs or cups?' or 'Will foam pigs or rigid pigs work the best in this application?'.
Content:-
Part 1: Reasons and Regulations
1. Why pig a pipeline?
2. On-line inspection techniques: available technology
3. US Government pipeline safety regulations
4. US Federal pipeline safety regulations
5. Pipeline design for pigging
6. Pre-inspection-survey activities for magnetic-flux
7. Pigging and inspection of flexible pipes
8. Environmental considerations and risk assessment related to pipeline operations
Part 2: Operational Experience
1. A computerized inspection system for pipelines
2. 10 years of intelligent pigging: an operator's view
3. The Zeepipe challenge: pigging 810km of subsea gas pipeline in the North Sea
4. Inspection of the BP Forties sea line using the British Gas advanced on-line inspection system
5. Gellypig technology for conversion of a crude oil pipeline to natural gas service: a case history
6. Corrosion inspection of the Trans-Alaska pipeline
7. Ethylene pipeline cleaning, integrity and metal-loss assessment
8. Pipeline isolation: available options and experience
Part 3: Pigging Techniques and Equipment
1. The history and application of foam pigs
2. Pigging and chemical treatment of pipelines
3. Pipeline gel technology: applications for commissioning and production
4. Pig-lnto-place plugs and slugs
5. Pigging for pipeline integrity analysis
6. Cable-operated and self-contained ultrasonic pigs
7. The assessment of pipeline defects detected during pigging operations
8. Bi-directional ultrasonic pigging: operational experience
9. Corrosion surveys with the UUraScan pig
10. High-accuracy calliper surveys with the Geopig pipeline inertia! geometry tool
11. Recent advances in piggable wye design and applications
12. Pigging characteristics of construction, production and inspection pigs through piggable wye fittings
Part 4: The Consequences of Inspection
1. Interpretation of intelligent-pig survey results
2. Risk assessment and inspection for structural integrity management
3. Internal cleaning and coating of in-place pipelines
Part 5: The Future
1. Pigging research
Author Details
"J.N.H.Tiratsoo"
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