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Submar articulated concrete block2/25/2024 ![]() Rather than concrete, they were made of canvas bags filled with bituminous material and aggregates. ”įollowing four years of intense battles, lobbying and at least two case studies, the Louisiana Department of Wildlife and Fisheries enacted General Permit 24 (GP24), in 2010, and concrete mattresses continued their industry reputation as one of the most reliable and cost-effective ways to protect existing or expanding pipeline infrastructure.Īccording to the ‘Concrete Mat Subsea Deployment Procedures’ published by the International Marine Contractors Association (IMCA) in September 2011, mattresses first emerged as a method of subsea pipeline support and stabilization during the 1970s. ![]() ![]() “The situation was affecting two of Louisiana’s top industries. “It took a long time and a lot of resources to convince everyone that mats were a better solution than leaving pipelines exposed,” said Monique Roberts, offshore division manager of Submar, a company that has produced approximately 80,000 mats for the Gulf of Mexico over the last 20 years. Only one form of pipeline protection technology however, found itself in the midst of a battle between the oil and gas industry, and environmental agencies: concrete mattresses, also commonly referred to as concrete mats. Most methods address ancillary issues like separation, support, erosion, expansion of infrastructure, pipeline corrosion, and ensuring that the pipeline infrastructure itself is not detrimental to the environment surrounding it. ![]() There are many methods used to protect offshore pipelines: sand, grout or cement bags, burying, concrete or cathode coating, and trenching, to name a few. ![]()
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