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Title: Determination Of Leakage And Unaccounted-For-Gas - Distribution
Author: C. m. Spriggs
Source: 1987 International School of Hydrocarbon Measurement
Year Published: 1987
Abstract: Many misnomers are used throughout the gas industry. For instance, the term heat sensitive load is a misnomer. Actually, heat sensitive load refers to gas usage as a result of the lack of heat-cold weather rather than warm. Another misnomer is the term, unaccounted-for gas. Unaccounted for gas is truly accounted for gas-but it is missing! It is the difference between the amount of gas accounted into a system and the amount of gas accounted out. Many factors cause unaccounted for gas. Each should be examined before the missing gas is all attributed to leakage, a single cause of unaccounted for gas. Factors I would suggest evaluating are the following: 1. Measurement conditions 2. Accounting methods 3. Meter errors 4. Gas used for construction and operations 5. Major damage and relief valve trips 6. Meter reading errors, stolen gas, etc. 7. Leakage

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