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Title: Results Of Research On Minimizing The Impact Of Ambient Temperature On Extraction Of Natural Gas Samples From A Pipeline.
Author: Justin Harvey
Source: 2008 Natural Gas Sampling Technology Conference
Year Published: 2008
Abstract: During the extraction and transportation of a natural gas sample, it is very important to maintain a temperature which is equal to or greater than the samples hydrocarbon dew point. In fact, API 14.1 and GPA 2166 recommend maintaining a temperature of thirty degrees above the natural gas hydrocarbon dew point to avoid condensation. Most sample conditioning components can be easily housed in enclosures and heated, transport lines can be heated using heat tracing, and probe regulators can be heated by wrapping heat trace around them. To maintain the heat from the heat tracing, various companies have produced jacket products to cover the probe regulators. These jackets vary in composition and structure but they are usually designed to allow for easy removal to service the regulator or membrane. One area in need of insulation that has been largely ignored is the intersection of the probe and pipe wall. This paper will discuss the techniques and materials that can be used to prevent cooling at the pipe wall junction and various jacket designs and materials that can be used to achieve these means.

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