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September 11th – 14th, 2023

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Registration for the 58th ASGMT School is now open. Click on My ASGMT to login or setup your account to register.

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Future School Dates
  • September 16th – 19th 2024
  • September 14th – 17th 2026
  • September 15th – 18th 2025
  • September 13th – 16th 2027
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PAPERS at asgmt

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January 12, 2001

  • AUTHOR: Larry Ewing

FUNDAMENTALS OF GAS CHROMATOGRAPHY, GAS QUALITY & TROUBLESHOOTING Measurement of the quality of natural gas requires a variety of instrumentation, only one of which is the gas chromatograph. Contractual requirements frequently define the energy content, relative density, and moisture content of the gas being sold. The sale of natural gas is performed on the basis of the heating value per unit volume of…

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January 12, 2001

  • AUTHOR: Michael P. Saunders

EFFECTS OF FLOW CONDITIONING ON GAS MEASUREMENT The full cost of ownership consists of the initial capital, commissioning, training, spare parts, maintenance and calibration costs for the lifetime of the equipment. The full cost is several times the initial capital investment and should be the deciding factor in equipment selection. The technical selection – accuracy, repeatability, drift, ease of calibration as well…

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January 12, 2001

  • AUTHOR: William Johansen

EFFECTS OF ENTRAINED LIQUID ON ORIFICE MEASUREMENTS Natural gas often has some liquid content. The liquid may be water, hydrocarbons, or compressor oil. As this gas flows through an orifice meter is the gas being measured correctly? The measurement methods and calculations described in ANSI/API 2530 are for dry gas. Many researchers have studied the effect of entrained liquids on orifice measurement.…

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January 12, 2001

  • AUTHOR: David Hailey

FUNDAMENTALS OF ENERGY DETERMINATION This paper presents fundamental information necessary to understand and appreciate the concept of total gas energy in a natural gas pipeline. That is, to be able to converse with peers within the natural gas industry and understand basic concepts and terminology. Discussed is the historical transition from volumetric measurement to total gas energy including some…

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January 12, 2001

  • AUTHOR: Bill Buckley

FUNDAMENTALS OF ORIFICE METERING The purpose to this paper is to discuss the fundamental components used in orifice measurement

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January 12, 2001

  • AUTHOR: D. Marshall Brown

H2S DETECTION AND DETERMINATION Hydrogen Sulfide (H2S) is found in many natural gas fields throughout the world. Measurement and the determination of the concentration of H2S is critical for many reasons. From Personal Safety to Corrosion Control and eventually to Contractual Obligation, the measurement of H2S is a critical in the Pipeline Industry. This paper will discuss the Properties,…

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January 12, 2001

  • AUTHOR: Myles J. McDonough, Jr.

INSTRUMENTS FOR THE DETERMINATION OF SPECIFIC GRAVITY / RELATIVE DENSITY OF GAS The terms “Specific Gravity” and “Relative Density” have been used for a number of years. Yet there seems to be some confusion over what exactly they mean. Specific Gravity is formally defined as the ratio of gas density to air density when both are at standard conditions of 0 Degree C and 760 mm. Over…

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January 12, 2001

  • AUTHOR: Ronald C. Geib

CALIBRATION STANDARD GASES Calibration standard gases are essential to quantitative analytical measurements in petrochemical processes, natural gas, environmental compliance, and health and safety programs. The calibration gas standard establishes a known analyzer response to a certified chemical component concentration which enables the conversion of sample responses to a concentration with a determinable accuracy. In consideration of the criticality…

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January 12, 2001

  • AUTHOR: Paul E. Kizer

OPERATIONS OF ON-LINE CHROMATOGRAPHS On-line Chromatography has at least two definitions today. The most common is that the Chromatograph, commonly known as a “GC,” is “on-line” when it extracts a sample from a continuously flowing line, injects this sample and analyzes it for composition, and then perhaps calculates BTU, SG, Relative Density, and/or Wobbe index or other parameters. This…

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ASGMT is dedicated to training, education, and creating a better future through the people who learn from us. As the largest gas measurement school in the United States, we are devoted to natural gas measurement, pressure regulation, flow control, and other measurement related arenas.

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