Importance

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Abstract

A transportable Sample Apparatus includes a vacuum flask (Dewar flask) and integral sample container. The Sample Apparatus may be used to capture a liquid phase LNG sample at a custody transfer point and to transport the sample to a laboratory for analysis. Vaporization of the liquid phase sample may take place at a variety of different locations. For example, vaporization may begin and/or be completed during transport from the collection point to the laboratory. In another example, vaporization may begin and be completed in the laboratory. In yet another example vaporization may begin during transport and be completed at the laboratory. The gas phase sample is typically analyzed by a gas chromatograph for Btu content, among other things. Prior to capture of the sample, the Sample Apparatus goes through a pre-cool cycle to chill a sample end cap and other components to a temperature compatible with capture of a cryogenic liquid sample which is about −250° F.

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First Claim