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In the oil and gas industry, there are generally two ways that we take measurements of product. The first is by volume. As fluid flows through a pipeline or sits in a tank, the industry has developed many ways by which we can capture that fluid and calculate “how much” of a particular product we have. These methods are calculated and refined to the point that we can determine these volumes down to the lowest...
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Welker will be exhibiting at the World Gas Conference on June 25-29 in Washington D.C.
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The purpose of this paper is to discuss in depth systems we use as a standard to sample natural gas liquids, or NGL’s. Before we discuss the systems and methods used to sample these products, we must first clearly define what NGL’s are. NGL’s can be a combination of any fluid in liquid form that is taken from the pipeline under pressure. Typically, “NGL” refers mainly to ethane, propane, butanes, natural “gasolines” (pentanes) and condensates....
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In the last 25 years, the natural gas pipeline industry has transitioned from the supplier of clean, dry gas to the mover of billable gas energy; clean and dry or dirty and wet.  The amount of hydrocarbon product that is transported between producer, processor, distributor and user is significant.  To be able to verify the exact composition of the product is important from an economic and product treatment standpoint.  In addition, if the best sampling...
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The United States Department of Transportation (D.O.T.) is a department of the U.S. Federal Government which oversees all issues regarding transportation within the United States of America and U.S. Territories.  Its influence around the world is great and widely respected, but its jurisdiction and power of enforcement is limited to the USA and its territories.  As regards this paper, we will discuss the D.O.T. and its involvement surrounding sample cylinders for the hydrocarbon industry and...
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