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Title: Electronlc Flow Meter Auditing
Author: Gary P. Mcnzel
Source: 1994 Gulf Coast Measurement Short Course (Now called ASGMT)
Year Published: 1994
Abstract: As Electronic Gas Meters (EGM ) replace the more traditional chart recorders as the method of recording and calculating custody transfer volumes in the natural gas industry, it becomes more and more important to be able to audit the volumes produced by these devices Our company has been doing some audits on electronic flow meters since 1984 and currently audit over 30 different pipelines at EGM custody transfer stations. Over the twelve month period ending December, 1992, we found errors on over 3% of all of these stations audited which were resolved by agreement between the parties involved. The incidence of error on the EGM stations we audit falls in the same range as that of the chart recorder stations audited. i We have summarized the types of errors we have found in EGM auditing and these results are listed in table one. Where a category is listed as .00%, it is an error which has occurred in the past but that did not occur in during the twenty four month period included in the table. Where possible, we have kept the same code numbers as wc use to classify errors found in chart auditing, though in fact the location where many of these occur has moved from the office to the field.