API MPMS 12.2.3-1998 Manual of Petroleum Measurement Standards Chapter 12-Calculation of Petroleum Quantities Section 2-Calculation of Petroleum Quantities Using Dynamic Measuremen.pdf

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1、Manual of Petroleum Measurement StandardsChapter 12Calculation of Petroleum QuantitiesSection 2Calculation of Petroleum Quantities Using Dynamic Measurement Methods and Volumetric Correction FactorsPart 3Proving ReportFIRST EDITION, OCTOBER 1998REAFFIRMED, MARCH 2009Manual of Petroleum Measurement S

2、tandardsChapter 12Calculation of Petroleum QuantitiesSection 2Calculation of Petroleum Quantities Using Dynamic Measurement Methods and Volumetric Correction FactorsPart 3Proving ReportsMeasurement CoordinationFIRST EDITION, OCTOBER 1998REAFFIRMED, MARCH 2009SPECIAL NOTESAPI publications necessarily

3、 address problems of a general nature. With respect to partic-ular circumstances, local, state, and federal laws and regulations should be reviewed.API is not undertaking to meet the duties of employers, manufacturers, or suppliers towarn and properly train and equip their employees, and others expo

4、sed, concerning healthand safety risks and precautions, nor undertaking their obligations under local, state, or fed-eral laws.Information concerning safety and health risks and proper precautions with respect to par-ticular materials and conditions should be obtained from the employer, the manufact

5、urer orsupplier of that material, or the material safety data sheet.Nothing contained in any API publication is to be construed as granting any right, byimplication or otherwise, for the manufacture, sale, or use of any method, apparatus, or prod-uct covered by letters patent. Neither should anythin

6、g contained in the publication be con-strued as insuring anyone against liability for infringement of letters patent.Generally, API standards are reviewed and revised, reaffirmed, or withdrawn at least everyfive years. Sometimes a one-time extension of up to two years will be added to this reviewcyc

7、le. This publication will no longer be in effect five years after its publication date as anoperative API standard or, where an extension has been granted, upon republication. Statusof the publication can be ascertained from the API Measurement Coordination Departmenttelephone (202) 682-8000. A cata

8、log of API publications and materials is published annu-ally and updated quarterly by API, 1220 L Street, N.W., Washington, D.C. 20005.This document was produced under API standardization procedures that ensure appropri-ate notification and participation in the developmental process and is designate

9、d as an APIstandard. Questions concerning the interpretation of the content of this standard or com-ments and questions concerning the procedures under which this standard was developedshould be directed in writing to the director of the Measurement Coordination Department(shown on the title page of

10、 this document), American Petroleum Institute, 1220 L Street,N.W., Washington, D.C. 20005. Requests for permission to reproduce or translate all or anypart of the material published herein should also be addressed to the director.API standards are published to facilitate the broad availability of pr

11、oven, sound engineer-ing and operating practices. These standards are not intended to obviate the need for apply-ing sound engineering judgment regarding when and where these standards should beutilized. The formulation and publication of API standards is not intended in any way toinhibit anyone fro

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13、 fact conform to the applicable API standard.All rights reserved. No part of this work may be reproduced, stored in a retrieval system, or transmitted by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission from the publisher. Contact the Publish

14、er, API Publishing Services, 1220 L Street, N.W., Washington, D.C. 20005.Copyright 1998 American Petroleum InstituteFOREWORDThis multi-part publication consolidates and presents standard calculations for the mea-surement of petroleum liquids using turbine or displacement meters. Units of measure in

15、thispublication are in International System (SI) and United States Customary (US Customary)units consistent with North American industry practices.This standard has been developed through the cooperative efforts of many individualsfrom industry under the sponsorship of the American Petroleum Institu

16、te and the Gas Pro-cessors Association.API publications may be used by anyone desiring to do so. Every effort has been made bythe Institute to assure the accuracy and reliability of the data contained in them; however, theInstitute makes no representation, warranty, or guarantee in connection with t

17、his publicationand hereby expressly disclaims any liability or responsibility for loss or damage resultingfrom its use or for the violation of any federal, state, or municipal regulation with which thispublication may conflict.This standard is under the jurisdiction of the API Committee on Petroleum

18、 Measurement,Subcommittee on Liquid Measurement. This standard shall become effective April 1, 1999,but may be used voluntarily from the date of distribution. Suggested revisions are invited andshould be submitted to the Measurement Coordinator, American Petroleum Institute, 1220 LStreet, N.W., Wash

19、ington, D.C. 20005.iiiCONTENTSPage0 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 SCOPE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 ORGAN

20、IZATION OF STANDARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.1 Part 1Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.2 Part 2Calculation of Metered Quantities. . . . . . . . . . . . . . . . . . . .

21、. . . . . . . . . . 12.3 Part 3Proving Reports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.4 Part 4Calculation of Base Prover Volumes by Waterdraw Method . . . . . . . . . 22.5 Part 5Calculation of Base Prover Volumes by Master Meter Method . . . . . .

22、. 23 REFERENCES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 TERMS AND SYMBOLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24.1 Definitions of Terms . . . . . . . . . . . . . . . .

23、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24.2 Definition of Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 APPLICATION OF CHAPTER 12.2, PART 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 FIELD OF APPLI

24、CATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76.1 Applicable Liquids. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76.2 Base Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

25、 . . . . . . . . . . . . . . . . . . . . . 76.3 Classification of Provers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77 PRECISION, ROUNDING, AND DISCRIMINATION LEVELS. . . . . . . . . . . . . . . . 87.1 Rounding of Numbers . . . . . . . . . . . . . . . .

26、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87.2 Discrimination Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88 REPEATABILITY REQUIREMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89 METER PROVING

27、REPORT CALCULATION METHODS . . . . . . . . . . . . . . . . . . . 910 CORRECTION FACTORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1010.1 Liquid Density Correction Factors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1010.2 Prov

28、er Correction Factors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1110.3 Combined Correction Factors (CCF, CCFp, CCFm, CCFmm, CCFmp). . . . . . 1210.4 Meter Factor (MF) and Composite Meter Factor (CMF) . . . . . . . . . . . . . . . . . . 1210.5 Meter Accuracy

29、Factor (MA). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1310.6 Nominal K-factor (NKF) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1310.7 K-factor (KF) and Composite K-factor (CKF) . . . . . . . . . . . . . . . . . . . . . .

30、 . . . . 1310.8 One Pulse Volume (q) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1411 RECORDING OF FIELD DATA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1411.1 Specified Discrimination Levels for Field Data . . . . .

31、 . . . . . . . . . . . . . . . . . . . . 1411.2 Discrimination Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1512 CALCULATION SEQUENCE, DISCRIMINATION LEVELS, AND RULESFOR ROUNDING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

32、. . . . . . . . . . . . . . . . . . 1912.1 Displacement Provers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19vPage12.2 Atmospheric Tank Provers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2512.3 Master Meter Provin

33、g . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2813 PROVING REPORT EXAMPLES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4413.1 Examples of Meter Proving Calculations for Pipe Provers and Small Volume Provers . . . . . . .

34、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4413.2 Example of a Meter Proving Calculation for an Atmospheric (Open) Tank Prover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5013.3 Example of a Met

35、er Proving Calculation Using a Master Meter . . . . . . . . . . . . 52APPENDIX A FLUID DENSITIES, VOLUMES, AND COMPRESSIBILITYCORRELATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57Figures1 Proving Report Flow ChartDisplacement Pipe Prover Using Average Me

36、ter Factor Method. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 382 Proving Report Flow ChartSmall Volume Prover (with ExternallyMounted Detectors) Using Average Data Method . . . . . . . . . . . . . . . . . . . . . . . . . 393 Proving Report Flow Cha

37、rtVolumetric Tank Prover Using Average MeterFactor Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 404 Proving Report Flow ChartProving a Master Meter with a DisplacementMaster Prover Using the Average Data Method . . . . . . . . . . .

38、 . . . . . . . . . . . . . . . . 415 Proving Report Flow ChartProving a Field Meter with a Master MeterUsing the Average Meter Factor Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42Tables1 Liquid Density Discrimination Levels . . . . . . . . . . . . . . . . . . . . . . . .

39、. . . . . . . . . . 152 Dimensional Discrimination Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153 Temperature Discrimination Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154 Pressure Discrimination Levels. . . . . . . . . . . . .

40、. . . . . . . . . . . . . . . . . . . . . . . . . . . 165 Compressibility Factor Discrimination Levels (F, Fp, Fm, Fmp, Fmm) . . . . . . . . 166 Discrimination Levels of Coefficients of Thermal Expansion. . . . . . . . . . . . . . . . 167 Modulus of Elasticity Discrimination Levels (E). . . . . . .

41、. . . . . . . . . . . . . . . . . . . 178 Correction Factor Discrimination Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179 Volume Discrimination Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1810 Pulse Discrimination Levels . . . .

42、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18A-1 Appropriate References for RHOb, CTL, and Ffor Most Liquids . . . . . . . . . . . . 57vi1Chapter 12Calculation of Petroleum QuantitiesSection 2Calculation of Petroleum Quantities Using Dynamic Measurement Methods and V

43、olumetric Correction FactorsPart 3Proving Reports0 IntroductionWhen most of the older standards for the calculation ofpetroleum quantities were written, mechanical desk calcula-tors were widely used for calculating the measurement docu-ments. Tabulated values were used more widely than is thecase to

44、day. Rules for rounding and the choice of how manyfigures to enter in each calculation step were often made byindividual operators at the time of the calculation. As aresult, different operators obtained different results from thesame data.This multi-part publication consolidates and standardizesthe

45、 calculations pertaining to metering petroleum liquidsusing turbine or displacement meters and clarifies terms andexpressions by eliminating local variations of such terms. Thepurpose of standardizing the calculations is to produce identi-cal answers from given data. For different operators to obtai

46、nidentical results from the same data, the rules for sequence,rounding, and discrimination of figures (or decimal places)must be defined.1 ScopeThis part provides standardized calculation methods for thedetermination of meter factors under defined conditions,regardless of the point of origin or dest

47、ination or units ofmeasure required by governmental customs or statute. Thecriteria contained here will allow different entities using vari-ous computer languages on different computer hardware (orby manual calculations) to arrive at identical results using thesame standardized input data.This docum

48、ent also specifies the equations for computingcorrection factors, including the calculation sequence, dis-crimination levels, and rules for rounding to be employed inthe calculations. No deviations from these specified equationsare permitted, since the intent of this document is to establisha rigoro

49、us standard.2 Organization of StandardThe calculation standard is presently organized into fiveparts as follows: Part 1 contains a general introduction todynamic calculations. Part 2 focuses on the calculation ofmetered quantities. Part 3 applies to meter proving calcula-tions. Parts 4 and 5 apply to the calculation of base provervolumes by two different methods. A brief description of eachof these parts follows.2.1 PART 1INTRODUCTION2.1.1The base (reference or standard) volumetric determi-nation of metered quantities is discussed, along with the gen-eral terms required