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 both gas and liquids measurement. With a commitment to excellence, ASGMT now offers an extensive curriculum comprising over 115 lecture classes, complemented by 48 Hands-On Product Training sessions led by industry experts.


September 16th – 19th, 2024

Onsite Proving of Gas Flow Meters

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February 16, 2015

With the increased use of Natural Gas as a fuel, and higher natural gas prices buyers and sellers of natural gas are seriously looking at ways to improve their natural gas measurement and reduce the error in natural gas measurement.

A 6” Turbine or Ultrasonic meter operating at 1,000 Psi will move 100 MMSCF/Day. An error in measurement of only one tenth of one percent (0.1%) on 100 Million Standard Cubic Feet (MMSCF) of Natural Gas selling at $4.00 per Thousand Standard Cubic Feet (MSCF) will cause an over or under billing of $400.00. Therefore the error in a year is ($400 X 365) $146,000.00 This will more than pay for a proving or verifying system.

The Btu in one barrel of oil is equivalent to the Btu in approximately 5,600 cubic feet of natural gas. At $4.00 per thousand cubic feet, the natural gas equivalent of one barrel of oil is $22.40 which is much less than a barrel of oil so natural gas is becoming the fuel of choice. In the petroleum liquid industry, no custody transfer liquid measurement system would be complete without a method to prove the meter, either as part of the equipment, or through connections provided to connect a portable prover…

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