Search
Filters
Close

Use code FLASH20 at checkout for 20% off all eBooks and eCourses

98092 ULTRASONIC INSPECTION OF RISERS A NEW AND SIMPLE APPROACH

Product Number: 51300-98092-SG
ISBN: 98092 1998 CP
Author: R. van Agthoven
$0.00
$20.00
$20.00
A riser forms the connection between the top side of an off-shore platform and a pipeline on the sea-bed. Such pipeline systems may be equipped with launch and receive facilities for cleaning and general intelligent pigging of the entire pipeline. The riser may be of different material or of heavier wall thickness, making self contained intelligent pigging of the riser difficult, less effective or cost prohibitive. Today, offshore operators are strongly committed to protect the environment and pigging and riser inspection will assist in determining the condition of the installation and the riser in particular. In this description a new approach for a detailed ultrasonic inspection of the risers only is explained, based on the application of a compact umbilical (cable, tether) operated tool. This requires that the riser is bled down and liquid tilled. The inspection tool provides on-line presentation of results for immediate evaluation. The system uses straight beam ultrasonic sensors for general corrosion survey in the pipe material and a novel ToFD (“Time of Flight Diffraction”) technique for additional inspection of the circumferential weld area. Keywords: offshore, risers, environment, inspection, ultrasonic, pigging, cable tools, corrosion, condition monitoring, evaluation, ToFD.
A riser forms the connection between the top side of an off-shore platform and a pipeline on the sea-bed. Such pipeline systems may be equipped with launch and receive facilities for cleaning and general intelligent pigging of the entire pipeline. The riser may be of different material or of heavier wall thickness, making self contained intelligent pigging of the riser difficult, less effective or cost prohibitive. Today, offshore operators are strongly committed to protect the environment and pigging and riser inspection will assist in determining the condition of the installation and the riser in particular. In this description a new approach for a detailed ultrasonic inspection of the risers only is explained, based on the application of a compact umbilical (cable, tether) operated tool. This requires that the riser is bled down and liquid tilled. The inspection tool provides on-line presentation of results for immediate evaluation. The system uses straight beam ultrasonic sensors for general corrosion survey in the pipe material and a novel ToFD (“Time of Flight Diffraction”) technique for additional inspection of the circumferential weld area. Keywords: offshore, risers, environment, inspection, ultrasonic, pigging, cable tools, corrosion, condition monitoring, evaluation, ToFD.
PRICE BREAKS - The more you buy, the more you save
Quantity
1+
5+
Price
$20.00
$20.00
Product tags
Also Purchased
Picture for 98091 IN-LINE INSPECTION THE CHANGES
Available for download

98091 IN-LINE INSPECTION THE CHANGES CONTINUE

Product Number: 51300-98091-SG
ISBN: 98091 1998 CP
Author: Patrick C. Porter, Don Bourne, Don Powell
$20.00
Picture for 98088 IN-LINE INSPECTION TOOLS FOR CRACK
Available for download

98088 IN-LINE INSPECTION TOOLS FOR CRACK DETECTION IN GAS AND LIQUID PIPELINES

Product Number: 51300-98088-SG
ISBN: 98088 1998 CP
Author: N. I. Uzelac, H. H. Willems, O. A. Barbian
$20.00
Picture for 07164 Practical Considerations for Users of Guided Wave Ultrasonic Testing
Available for download

07164 Practical Considerations for Users of Guided Wave Ultrasonic Testing

Product Number: 51300-07164-SG
ISBN: 07164 2007 CP
Author: Joseph M. Galbraith and George Williamson
Publication Date: 2007
$20.00