Get Pipeline Pigging and Integrity Technology PDF


By John Tiratsoo

ISBN-10: 1615832777

ISBN-13: 9781615832774

This ebook presents a wide-ranging assessment of the simplest in pigging and integrity-monitoring know-how, and hence makes crucial examining for all taken with those increasingly-important industries. The contents are divided into six sections, facing software pigging, corrosion matters, clever pigging, case reports, integrity administration, and prefaced through a piece with a couple of very important, yet common papers.
entrance subject
• desk of Contents
• Interactive Graphs desk  (62) •1. common Issues
To Pig or to not Pig?: that's the query
constructing a Maintenance-Pigging software
Pigging 'Unpiggable' Pipelines: A consultant for upkeep Pigging and coaching for clever Pig Inspection
pace keep watch over of Pigs in fuel Pipelines
more suitable cleansing is within your budget
Operational security in Pigging
Simulating Pipeline Pigging Operations
Why Pigs Get caught, and the way to prevent it
•2. software Pigging
an outline of software Pigs: Their kinds and makes use of
High-Temperature and different really good Pigs
Pigs for cleansing Highly-Contaminated Pipelines
selecting the right Pig for the task
Pigging and Chemical remedy of Pipelines
most modern layout strategies for twin- and Multi-Diameter Pipeline Pigs
•3. Corrosion
In-Place inner Corrosion tracking structures and Pipeline Pigging
overview standards for ILI Metal-Loss information: B31G and RSTRENG
Mobil Oil's event with In-Line Detection and Characterization of SCC
Flux Leakage signs from Corrosion Defects in Pipelines Subjected to Bending a lot
•4. clever Pigging
Batching an Ultrasonic Pig in a average gasoline beverages' Pipeline
Inspection of Unpiggable Pipelines: adventure, background, and the way forward for Cable-Operated Ultrasonic Pigging
fresh advancements in heading off, Detecting, and Assessing the Severity of Mechanical harm
Cracks in Pipelines and the way to discover Them
instruments, proprietors, and prone: A evaluate of present In-Line Inspection applied sciences
Unpiggable Pipelines: An Inspection problem
whilst is Corrosion now not Corrosion? A Decade of MFL Pipeline Inspection
•5. Case Studies
innovative Pigging for Pipeline Deposit elimination
Engineering of the Pigging gear for Subsea structures within the Campos Basin
the improvement and trying out of a 40-in High-Friction Pig
In-Line Inspection of Difficult-to-Pig Pipelines
Pneumatic checking out the Trans-Andean Pipelines
cleansing Pigging for the Baseline Survey of the PGU 2 Pipeline method
Pigging the Åsgard 42-in × 28-in Pipeline: Breaking New floor
Lifetime for a Pipeline
inner Corrosion in Small-Diameter, Heavy-Wall Pipelines: A severe Phenomenon, and the way to degree it
•6. Integrity
Pipeline Integrity administration in SSB/SSPC
Shell Pipeline's Risk-Based Inspection procedure
Fitness-for-Service evaluation for Pipelines topic to Stress-Corrosion Cracking
The Synergy of mixed applied sciences: A accomplished approach to Pipeline Integrity evaluate
Scheduling Integrity Re-Verifications
Pipeline Integrity-Verification tools: Direct evaluation, In-Line Inspection, Pressure-Testing
The altering global of Pipeline Integrity

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Additional info for Pipeline Pigging and Integrity Technology

Sample text

Intentionally choosing a more-inefficient cleaning pig for the initial runs will also reduce the amount of material that has to be handled. Pig selection and intended purpose As discussed earlier, there is a wide variety of pigs available, with many designed specifically for special or unique pigging problems. 4. Pig type versus cleaning operations. 5 attempt to give a broad overview of these generic pig types and a rating for each pig in terms of its applicability for specific cleaning or treating operations.

Variable by-pass systems (point 7) have been used in conjunction with control systems to attempt to dispel the energy behind the pig. However, Caltec believes that a hard-wired by-pass controller would need to react unfeasibly quickly in order to keep up with the excursions. Fixed by-pass, say in the region of 2-3% by area, will help to dampen the excursions, since the pressure energy cannot build-up to the same extent. The applied differential pressure across the pig will fall quicker as the pig accelerates, unlike before (see also point 5 in the section Causes of velocity excursions, page 38).

However, safety is not the only issue. Efficiency of pigging operations is compromised by the lack of velocity control. For instance, the efficiency of liquid removal from gas pipelines can deteriorate if the pig is accelerating into the liquid, due to the extra load on the front of the pig, as a result of the liquid inertia. For instance, an acceleration of 20m/sec2 (60ft/ sec2 – about 2g) into a 50-m (154-ft) long fluid column in a 20-in pipeline would produce an instantaneous inertial back pressure on the front of the pig of 10 bar (145 psi).

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Pipeline Pigging and Integrity Technology by John Tiratsoo

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