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Title: Pulsation Effects On Orifice Metering
Author: Dr. Raymond G. Teyssandier
Source: 1985 Gulf Coast Measurement Short Course (Now called ASGMT)
Year Published: 1985
Abstract: As a general rule, the place not to set up a s e r i ous measurement system is one where pulsation can be i d e n t i f i e d . Good measurement requires not only good instruments, but also the careful application of the device r e l a t i v e to flowing conditions. Having stated the above premise, it is now necessary to address the problem of measurement in situations where the conditions are less than ideal, but at the same time measurement is required. Pulsating flows are generally not common in custody transfer s i t u a t i o n s since the metering stations are either well removed from sources of pulsation or they have been designed in such a manner that the pulsat i o n levels have been suppressed. There are of course times when the flow at a custody transfer point w i l l exhibit pulsating behavior, these condit i o n s are usually t r a n s i t o r y and are p r i m a r i l y a function caused by an mis-sized regulator.

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