A cost-effective method of internally repairing pipeline leaks has been developed that – in many instances – eliminates the need for expensive and risky external mechanical repairs.

By delivering a pressure-activated sealant between two pigs to a leak site and pressure activating the sealant to polymerize as a flexible solid within the leak path, it is possible to internally repair pipeline leaks without the need for excavating or replacing defective sections with minor leaks.

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