Preparing Offshore Platforms with Ultra-High Pressure Abrasive Blasting—Basics and Cases

From JPCL, April 2007

by R. Godoy and A.W. Momber

Like other kinds of work on offshore platforms, surface preparation is challenging. Remote access, the aggressive environment, the risks to worker safety, and the complexity of the structures are just a few obstacles. Ultrahigh- pressure abrasive blasting (UHPAB), a relatively new method of surface preparation, is developing a promising track record for surface preparation on offshore platforms. After a brief review of the UHPAB equipment and test results on coating adhesion to surfaces cleaned with the equipment, the authors describe positive experiences with the UHPAB method in the offshore industry, mainly on drilling rigs, offshore oil and gas extraction platforms, semi-submersible rigs, and jack-up units. Data on efficiency, economy, quality and job organization are also reported....
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