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Title: Freeze-Up Prevention
Author: Lester S. Price
Source: 1979 International School of Hydrocarbon Measurement
Year Published: 1979
Abstract: Freezing in measurement and pressure regulating equipment is a problem faced in virtually all phases of the gas industry, from the well head to the low pressure town plant systems. The degree of the problems will depend on the amount of pressure reduction, quantity of water, and hydrocarbons in the gas being regulated or measured. Freezing in pressure regulators and measurement equipment may occur when the. atmospheric temperature is well above 32 if hydrocarbons and water are present in the gas stream. The first form of freezing will appear like packed snow and progress to form solid ice as the temperature lowers. The problems most frequently occur during peak winter flow operations when our systems are required to function under adverse conditions.

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