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Title: Light Hydrocarbon Measurement
Author: Gregory C. Riddick
Source: 1989 Gulf Coast Measurement Short Course (Now called ASGMT)
Year Published: 1989
Abstract: Light hydrocarbon liquids, for purposes of this pajper, consist predominately of the following components: ethane, propane, butanes, pentanes, hexanes and heavier paraffinic hydrocarbons. The liquid may be ccHnposed of a large percentage of one of these types of molecules, as in the case of specification grade propane product, or they may be a mixture of all these molecules, as in the case of unfractionated natural gas liquid (NGL) mix. Additionally, other components, such as olefins and contaminants, are also in the liquids, but they are present in a leaser percentage. Measuranent of light hydrocarbon liquids is more difficult than the measurentent of crude oils and refined products for a number of reasons. First, they are of low viscosity and have very poor lubricating properties. Secondly, the f*iysical properties vary widely as their composition varies. Additionally, their physical properties are dramatically different under different temperature and pressure conditions.

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