New design improves performance of gas-pipeline drip separators

A 26-in. piggable drip is installed in 1996 on the Union Gas Ltd. natural gas storage and transmission system at the Dawn compressor station near Chatham, Ont. Union's system handles more than 1.2 tcf/year of gas, linking natural gas from Western Canadian and US supply basins to central Canadian and Northeast US markets.Click here to enlarge imageCanadian gas-plant tests of a new design for in-line gas pipeline liquid separators ("drips") have shown that efficiency of free liquid separation in a pipeline can be increased by a factor of close to ten. The newly developed drip also allows passage of pipeline inspection gauges (PIG) while working at higher separation efficiency.Drips ar...

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