Adjust treatment strategies to resolve methanol issues and meet pipeline specs

D. O'brien, Anadarko Petroleum
J. Mejorada, Empire Gas Services
L. Addington, Bryan Research & Engineering

It is not uncommon for producers to introduce methanol into their hydrocarbon systems as a means of hydrate inhibition, as an additive blended with H2S scavengers, or for other purposes. While much of the methanol is recovered in liquid knockout drums, a portion of it remains in the natural gas or NGL, where it eventually makes its way to downstream processing units. The presence of methanol can have negative consequences for gas processors, such as penalties by pipeline operators for excessive methanol in NGL feeds, problems meeting propane quality specifications in fractionation units, or regulatory issues from methanol emissions. If a reduction of the methanol content in hydrocarbon str

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