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

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October 1, 2018

  • AUTHOR: Cristina A. Lancelot

FUNDAMENTAL PRINCIPLES OF ROTARY DISPLACEMENT METERS Natural gas measurement today is accomplished through the use of two different classifications of gas meters. The first consists of inferential type meters, including, orifice, ultra-sonic and turbine meters, and the second is the positive displacement meters, which consist of diaphragm and rotary displacement meters. The inferential type meters are so-called because rather than measuring…

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October 1, 2018

  • AUTHOR: Ken Ludvigsen

Relief Valves and Overpressure Protection Methods Overpressure protective devices are of vital concern to the natural gas industry. Safety codes and current laws require their installation each time a pressure reducing station is installed that supplies gas from any system to another system with a lower maximum allowable operating pressure (MAOP). The purpose of this article is to provide a basic…

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October 1, 2018

  • AUTHOR: Jim Mueller

FUNDAMENTALS OF PRESSURE REGULATORS In the gas industry, there are two basic types of regulators used for both pressure reducing and back pressure (relief) control. The two types are:  Self Operated Regulators (Sometimes referred to as spring loaded regulators)  Pilot Operated Regulators (Loading and Unloading style pilot regulators) This paper will discuss the basic principle of Self…

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October 1, 2018

  • AUTHOR: David Courtney

Fundamentals of Orifice Metering The history of orifice metering began in the early 1900’s. The first test data was done by the U.S. Geological Survey and in 1913 the first “Handbook of Natural Gas” was published. So, as you can tell, orifice metering has been around for over 100 years and in that time, much has been learned and…

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October 1, 2018

  • AUTHOR: Steve Whitman

FUNDAMENTALS OF NATURAL GAS CHEMISTRY In order to understand the chemistry of natural gas, it is important to be familiar with some basic concepts of general chemistry. Here are some definitions you should know: Matter – anything that has mass and occupies space. Energy – the capacity to do work or transfer heat. Elements – substances that cannot be decomposed…

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October 1, 2018

  • AUTHOR: Dan Hackett

FUNDAMENTALS OF MULTIPATH ULTRASONIC FLOW METERS FOR LIQUID MEASUREMENT The use of Liquid Ultrasonic Meters for liquid petroleum applications such as custody transfer or allocation measurement is gaining world wide acceptance by the Oil Industry. Ultrasonic technology is well established but the use of this technology for custody transfer and allocation measurement is relatively new. Often users try to employ the same measurement practices…

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October 1, 2018

  • AUTHOR: JONATHAN FIEDLER

FUNDAMENTALS OF ULTRASONIC FLOWMETERS FOR NATURAL GAS The use of ultrasound in flow measurement began in the last century when, in 1928, Oskar Rütten patented this method and apparatus for measuring the volume of flowing liquids, gas, and steam. The first ultrasonic flowmeters were introduced in the 1950’s, and in the 1960’s different companies developed the first ultrasonic flowmeters using the differential…

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October 1, 2018

  • AUTHOR: Tony Cocchiarella

Methods of Gathering Electronic Gas Measurement (EGM) Data This paper is to discuss the various methods of gathering electronic gas measurement (EGM) data. There are various options when it comes to collecting EGM data in the Natural Gas Industry. Devices such as RTU’s, PLC’s and EFM’s are typically used to collect and store the data locally. The focus of this paper is on…

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October 1, 2018

  • AUTHOR: Paul Honchar

FUNDAMENTALS OF GAS TURBINE METERS The majority of all gas measurement used in the world today is performed by two basic types of meters, positive displacement and inferential. Positive displacement meters, consisting mainly of diaphragm and rotary style devices, generally account for lower volume measurement. Orifice, ultrasonic and turbine meters are the three main inferential class meters used for large…

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