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Title: Characterization Of Heavy Components In Natural Gas And Natural Gas Liquids
Author: John Renfro
Source: 1998 International School of Hydrocarbon Measurement
Year Published: 1998
Abstract: Extended analysis by chromatography is required when Gas Processor Association (G.P.A.) Methods 2261 and 2177 fail to produce data of individual hydrocarbon compounds heavier than normal pentane. G.P.A. Method 2261 (Analysis for Natural Gas and Similar Gaseous Mixtures by Gas Chromatography) individually identifies 3 inerts and hydrocarbon compounds methane through normal pentane. G.P.A. Method 2177 (Analysis of Demathanized Hydrocarbon Liquid Mixtures Containing Nitrogen and Carbon Dioxide by Gas Chromatography) identifies the same compounds with some variation in chromatogaraphic methodology. G.P.A, Methods 2186 and 2286 are to be used when hydrocarbon compounds heavier than normal pentane are to be identified. As a definition tor this class, the term, heavy hydrocarbon components, will include all hydrocarbon compounds requiring extended analysis for identification. Characterization of heavy hydrocarbons will be discussed in the following topics

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