The American School of Gas Measurement Technology (ASGMT) has been at the forefront of flow measurement training since its inception in 1966. Over the years, ASGMT has evolved to encompass comprehensive training in measuring fluids in both gas and liquid states. With a commitment to excellence, ASGMT now offers an extensive curriculum comprising over 120 lecture classes, complemented by 54 Hands-On Product Training sessions led by industry experts, and sessions providing a brief overview of new products.

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September 15th – 18th, 2025

FUNDAMENTALS OF ORIFICE METERING

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January 12, 2004

Throughout the oil and gas industry, the need for reliable measurement has been satisfied over many decades through the use of orifice meters. The orifice meter is the most common meter in use today and can satisfy most application requirements. This paper will address the basic theory of measurement and overview primary orifice fittings and meter tubes

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