API MPMS 12 2 1 ADD 1-2007 Manual of Petroleum Measurement Standards Chapter 12 Calculation of Petroleum Quantities (Second Edition)《石油测量标准手册 第12章 石油量化计算》.pdf

1、Manual of PetroleumMeasurement StandardsChapter 12Calculation of Petroleum QuantitiesAddendum 1August 2007SPECIAL NOTESAPI publications necessarily address problems of a general nature. With respect to particularcircumstances, local, state, and federal laws and regulations should be reviewed.Neither

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13、e. Statusof the publication can be ascertained from the API Standards Department, telephone (202)682-8000. A catalog of API publications and materials is published annually and updatedquarterly by API, 1220 L Street, N.W., Washington, D.C. 20005.Suggested revisions are invited and should be submitte

14、d to the Standards and PublicationsDepartment, API, 1220 L Street, NW, Washington, D.C. 20005, standardsapi.org.Addendum 1 to API MPMS Chapter 12Calculation of Petroleum Quantities1Guidance to Industry on the Application of API MPMS Chapter 11IntroductionAfter considerable time and effort, a revisio

15、n of API MPMS Ch. 11.1 (Physical PropertiesDataTemperature and Pressure Correction Factors for Generalized Crude Oils, RefinedProducts, and Lubricating Oils) was published as an AdobePDF file on CD with anaccompanying executable program (for calculating and printing) in September 2004. Laterthat yea

16、r, a CD with a MicrosoftExcel Add-In was released, as was another CD with ANSIC-code subroutines. As users have started to implement the 2004 version of API MPMSCh. 11.1, a number of concerns and questions have arisen on how the API MPMS Ch. 11.1(2004) harmonizes with existing MPMS Standards, partic

17、ularly API MPMS Ch. 12.MPMS Chapter InterrelationshipsCurrently, the Manual of Petroleum Measurement Standards is organized into Chapters cov-ering general measurement areas and several of these Standards are interrelated. Forinstance, numerous Standards reference API MPMS Ch. 11.1. There is at pres

18、ent consider-able uncertainty amongst users as to which takes precedence when Standards do not concuron a specific subject, in particular Chapters 11 and 12. When these differences occur the fol-lowing criteria should be applied.API MPMS Ch. 11.1 is the primary standard for the determination of the

19、temperature(CTL), pressure (CPL), and combined temperature and pressure (CTPL) correction factorsfor crude oil, refined products, and lubricating oils, either by presentation of specific imple-mentation procedures or by reference to other publications. API MPMS Ch. 12 is the primary standard for the

20、 calculation of volume quantities. It deter-mines the discrimination levels (rounding) required for each input variable and correctionfactor in a specific volume calculation procedure, and the sequence and manner in which toapply the appropriate parameters (RHOb, APIb, RDb, CTL, Fp, CPL, and CTPL).N

21、ote: While the determination of a combination pressure and temperature factor, CTPL, is specified inAPI MPMS Ch. 11.1, its application is not currently addressed in API MPMS Ch. 12 but will beupon the next revision. 8/07#FFKVKQPCNEQRKGUCTGCXCKNCDNGVJTQWIJ+*52JQPG1TFGTU 6QNNHTGGKPVJG75CPF%CPCFC .QECNCPF+PVGTPCVKQPCN (CZ1TFGTU 1PNKPG1TFGTU INQDCNKJUEQO+PHQTOCVKQPCDQWV#2+2WDNKECVKQPU2TQITCOUCPF5GTXKEGUKUCXCKNCDNGQPVJGYGDCVYYYCRKQTI.5VTGGV099CUJKPIVQP&%75#