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Title: Naturalgassampunguncertainties Andeconomics Class284
Author: Davidwoffotd
Source: 1999 International School of Hydrocarbon Measurement
Year Published: 1999
Abstract: ThepmOisemeasuramanotfnatural gasisaw@Ot of continuingstudyanddiscussion. Theillpactof ale precise measurement of gas quality and compositionis often Considalad toonlyeffeotthethannalvalueof themeasumd quantityof gas. Thisidea,however,is farfmmaoourate. Thepeck mawmmentofnatural gasflowrates(quantity) is@endent upon thepreOise memwmant of the tion of the natumlgas pnxkictsham (quality). Thesemeasumts of quantitiesandthermalvaluesam consideredin tams of aooeptde fevelsof measurement uncertainty. In other weds, a level of vdanoa exists around the point of dxsolute aooumoywtkh is consideredaooaptdde tothosewho an9partyto thetransfer of theproduotflomthe cust of one to another. Thus, the term %ustodytransfet quaMymeasurementinpiies that the datenninedqantity and total anqy content of the pmduot exchanged between parties am within these levels of acoaptable varianoe, or uncertainty, fmm the absolute point of aoouraoy, or zero uncertainty.

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