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Pipeline Liquid Removal

An accumulation of liquids in a pipeline can be damaging. In crude lines, if the velocity of the product is too low, water can settle out in low areas and provide a welcome habitat for corrosion, especially bacterial corrosion. These pockets of water should be displaced to remove the environment for corrosion to occur. The same principal applies to gas lines where liquids settle out in low spots, some of which could be saleable condensate which could be recovered.

These pockets of liquids can also reduce the effectiveness of corrosion inhibitors and biocides. We have developed a number of pigs and methods for efficient liquid removal. Our patented Foam Disc Pig is flexible and has multiple sealing/wiping discs for maximum effect.

A unique configuration of discs and cups on our steel mandrel bodied pigs have also been developed for optimal liquids removal depending on the type of line, length, number and radius of bends and frequency pigging is required. Mandrel pigs are available with both discs, cups and combinations of both depending on pipeline conditions.