A treater combination unit wherein the functions of a heater treater and oneor more of a sales gas heater, instrumentgas heater/dryer, two-phase separator, and a free water knockout areincorporated into a single unit are included in a single,self-contained and optionally portable unit. In one embodiment, an instrumentgas dryer can also optionally be incorporated into thecombination unit. In an alternative embodiment, the instrument gas dryer isadded to the unit as a retrofit.
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