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Undersea Pads Because subsea pipelines tend to be buoyant, they are often weighed down with concrete saddle bags or blocks. In the process of using these weights, the epoxy coating on the pipeline can become damaged, leading to holidays. To prevent this damage, protective pads are often used, but concerns were raised about possible cathodic protection shielding and development of stagnant conditions leading to the formation of colonies of microbes. To address these concerns, two manufacturers developed alternative pads, and Southwest Research Institute (SwRI) was tasked with evaluating the effectiveness of cathodic protection current transmission through the pad as well as assessing the likelihood of microbial colony formation. Based on the testing conducted, both products were determined to meet the stated objectives.
For more information about
materials performance, characterization, and independent product
evaluation, or how you can contract with SwRI,
please contact
James F. Dante, at
jdante@swri.org or (210) 522-5458. |
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| Materials Engineering Department | Mechanical Engineering Division | SwRI Home | |
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Southwest Research Institute® (SwRI®), headquartered in San Antonio, Texas, is a multidisciplinary, independent, nonprofit, applied engineering and physical sciences research and development organization with 11 technical divisions. |
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January 03, 2013 |
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