AGA XQ9212 : 0

1 INTRODUCTION
   1.1 Scope
   1.2 Background
   1.3 Field of Application
   1.4 Overview of Compressibility Factor Calculation
       Methods
   1.5 Uncertainty
   1.6 Recommendations
2 SYMBOLS
3 DEFINITIONS
4 GENERAL EQUATIONS
5 NATURAL GAS CHARACTERIZATION METHODS
6 REFERENCE CONDITIONS
   6.1 Mass Density at Contract Reference Conditions
   6.2 Supercompressibility Factor Reference
       Condition
   6.3 Relative Density Reference Condition
   6.4 Heating Value Reference Conditions
7 UNITS, CONVERSIONS, PRECISION AND ACCURACY
8 EQUATIONS FOR COMPRESSIBILITY FACTORS
   8.1 DETAIL CHARACTERIZATION METHOD Equation of
       State
   8.2 GROSS CHARACTERIZATION METHOD Equation of
       State
9 PROCEDURES FOR COMPUTATIONS OF COMPRESSIBILITY
   FACTORS
10 COMPUTER PROGRAMS FOR COMPUTATIONS OF
   COMPRESSIBILITY FACTORS SUPERCOMPRESSIBILITY
   AND DENSITIES
11 TABLES OF COMPUTED COMPRESSIBILITY FACTORS AND
   SUPERCOMPRESSIBILITY FACTORS
12 UNCERTAINTIES IN COMPUTED COMPRESSIBILITY FACTORS
   AND SUPERCOMPRESSIBILITY FACTORS
APPENDIX A - DETAIL CHARACTERIZATION METHOD
    APPENDIX A.1 - NOMENCLATURE
    APPENDIX A.2 - DETAIL CHARACTERIZATION METHOD
                   COMPUTATION PROCEDURES
    APPENDIX A.3 - DETAIL CHARACTERIZATION METHOD
                   COMPUTER PROGRAM DOCUMENTATION
    APPENDIX A.4 - DETAIL CHARACTERIZATION METHOD
                   FORTRAN CODE LISTING
    APPENDIX A.5 - DETAIL CHARACTERIZATION METHOD
                   COMPUTER PROGRAM CALCULATIONS
    APPENDIX A.6 - DETAIL CHARACTERIZATION METHOD
                   CALCULATION UNCERTAINTIES
    APPENDIX A.7 - DETAIL CHARACTERIZATION METHOD
                   REFERENCES
APPENDIX B - GROSS CHARACTERIZATION METHOD
    APPENDIX B.1 - NOMENCLATURE
    APPENDIX B.2 - GROSS CHARACTERIZATION METHOD
                   COMPUTATION PROCEDURES
    APPENDIX B.3 - GROSS CHARACTERIZATION METHOD
                   COMPUTATION PROCEDURES
    APPENDIX B.4 - GROSS CHARACTERIZATION METHOD
                   COMPUTER PROGRAM DOCUMENTATION
    APPENDIX B.5 - GROSS CHARACTERIZATION METHOD
                   FORTRAN CODE LISTING
    APPENDIX B.6 - GROSS CHARACTERIZATION METHOD
                   COMPUTER PROGRAM CALCULATIONS
    APPENDIX B.7 - GROSS CHARACTERIZATION METHOD
                   CALCULATION UNCERTAINTIES
    APPENDIX B.8 - GROSS CHARACTERIZATION METHOD
                   REFERENCES
APPENDIX C - REFERENCE CONDITIONS AND CONVERSIONS FOR
             HEATING VALUE AND RELATIVE DENSITY
    APPENDIX C.1 - NOMENCLATURE
    APPENDIX C.2 - DISCUSSION OF REFERENCE AND STANDARD
                   CONDITIONS
    APPENDIX C.3 - DENSITY, COMPRESSIBILITY FACTOR AND
                   SUPERCOMPRESSIBILITY FACTOR
    APPENDIX C.4 - MOLAR HEATING VALUE FOR COMPOSITION
    APPENDIX C.5 - VOLUMETRIC HEATING VALUE
    APPENDIX C.6 - REFERENCES
APPENDIX D - UNIT CONVERSIONS
    APPENDIX D.1 - UNIT CONVERSION PROGRAM DOCUMENTATION
    APPENDIX D.2 - UNIT CONVERSION PROGRAM FORTRAN SOURCE
                   CODE
    APPENDIX D.3 - REFERENCES
APPENDIX E - UTILITY PROGRAM
    APPENDIX E.1 - UTILITY PROGRAM DOCUMENTATION
    APPENDIX E.2 - UTILITY PROGRAM FORTRAN SOURCE CODE
                   LISTING
INDEX

Provides detailed information for precise computations of compressibility factors and densities of natural gas and other hydrocarbon gases, calculation uncertainty estimations and FORTRAN computer program listings.