Corrosion Testing and Research


Product Evaluation Subsea Pipeline Pads


Search SwRI


               SwRI Home | Print Version

Corrosion—Time of Wetness Sensors

Mobile Sensors for Gas Pipeline

Multielectrode Array Sensor (MAS™)

Coating Degradation Sensor (CDS)

Anodes for Cathodic Protection

Subsea Pipeline Pads

Articulating concrete mattresses, also called construction mats, are used to separate, stabilize and protect offshore pipelines. Special pads, typically made from polymer materials, are designed to minimize damage to coatings on subsea pipelines from the concrete mats. Some pads act as shields and prevent cathodic protection from protecting areas where coating damage exists.


Tests were conducted at Southwest Research Institute (SwRI) to evaluate different cathodic protection permeable pad designs.


image of corrosion under an impermeable pad   image of corrosion under an impermeable pad

Corrosion under an impermeable pad


image of measured potentials used to determine cathodic protection shielding

Measured potentials used to determine cathodic protection shielding


For more information about the evaluation of subsea pipeline pads, or how you can contract with SwRI, please contact James F. Dante, at or

(210) 522-5458.


Contact Information

James F. Dante

Product Evaluation

(210) 522-5458

Related Terminology

corrosion research

pipeline corrosion coatings

corrosion sensors

corrosion life prediction

stainless steel

laser Raman spectroscopy

corrosion monitoring

cathodic protection

microbiologically influenced corrosion

Related Information

Assuring the Integrity of Mechanical Systems

Corrosion Engineering, Science and Technology Journal

| Materials Engineering Department | Mechanical Engineering Division | SwRI Home |

Southwest Research Institute® (SwRI®), headquartered in San Antonio, Texas, is a multidisciplinary, independent, nonprofit, applied engineering and physical sciences research and development organization with 9 technical divisions.

August 07, 2014