API MPM CH11.1 : 2004

11.1.0 Implementation Guidelines
11.1.1 Introduction & History
       11.1.1.1 Early Temperature and Pressure Correction Tables
       11.1.1.2 1952 Temperature Correction Tables
       11.1.1.3 1980 Temperature Correction Tables
       11.1.1.4 1981 Pressure Correction Tables
       11.1.1.5 Changes to Previous Standards
       11.1.1.6 Customary Temperature & Pressure Correction Tables
11.1.2 Purpose
       11.1.2.1 Significance
       11.1.2.2 Scope
       11.1.2.3 Temperature, Pressure, and Density Limits
       11.1.2.4 Classification of Liquids
                 11.1.2.4.1 Crude Oil
                 11.1.2.4.2 Refined Products
                 11.1.2.4.3 Lubricating Oils
                 11.1.2.4.4 Special Applications
       11.1.2.5 Application of Tables to Specific Substances
                 11.1.2.5.1 Waxy Crudes
                 11.1.2.5.2 Natural and Drip Gasolines
                 11.1.2.5.3 LPG and NGL
                 11.1.2.5.4 LNG
                 11.1.2.5.5 Ethylene and Propylene
                 11.1.2.5.6 Butadiene
                 11.1.2.5.7 Cyclohexane and Aromatics
                 11.1.2.5.8 Asphalts and Road Tars
                 11.1.2.5.9 Reformulated Fuels
                 11.1.2.5.10 MTBE
                 11.1.2.5.11 JP-4
                 11.1.2.5.12 Pure Compounds
                 11.1.2.5.13 Gasohol
11.1.3 Outline of Calculation Procedures
       11.1.3.1 Distinction Between 'Standard,' 'Base,' 'Observed,'
                 and 'Alternate' Conditions
       11.1.3.2 Basic Equations
       11.1.3.3 Calculation of CTL and CPL Factors in This Standard
       11.1.3.4 Base Pressure in This Standard
       11.1.3.5 Iteration Scheme to Determine Base Density from
                 Observed Density
       11.1.3.6 Calculation of CTL and CPL Factors for Base
                 Temperatures Other Than 60 degrees F
       11.1.3.7 Calculation Types
       11.1.3.8 Calculating the Thermal Expansion Factor for
                 Special Applications
       11.1.3.9 Rounding of Values
       11.1.3.10 Glass Hydrometer Corrections
       11.1.3.11 International Temperature Scale of 1990, ITS-90
11.1.4 Summary and Precision Statement
11.1.5 Implementation Procedures - General
       11.1.5.1 Method to Convert Units of Temperature, Pressure,
                 Thermal Expansion Factor, and Density-Related
                 Values
       11.1.5.2 Method to Calculate Thermal Expansion Factor from
                 Density Measurements
       11.1.5.3 Method to Convert Temperature from ITS-90 to
                 IPTS-68 Basis
       11.1.5.4 Rounding of Values
       11.1.5.5 Other Implementation Considerations
11.1.6 Implementation Procedures for Customary Units
       (60 degrees F and 0 psig Base Conditions)
       11.1.6.1 Method to Correct a Measured Volume to Base
                 Conditions and Density from Base
                 Conditions to an Alternate Temperature and Pressure
       11.1.6.2 Method to Correct Volume and Density from Observed
                 Conditions to Customary Base Conditions
       11.1.6.3 Method to Correct Volume and Density from Observed
                 Conditions to Alternate Conditions
11.1.7 Implementation Procedures for Metric Units
       (15 degrees C or 20 degrees C and 0 kPa Base Conditions)
       11.1.7.1 Method to Correct a Measured Volume to Metric Base
                 Conditions and Density from Metric Base
                 Conditions to an Alternate Temperature and Pressure
       11.1.7.2 Method to Correct Volume and Density from Metric
                 Observed Conditions to Metric Base Conditions
       11.1.7.3 Method to Correct Volume and Density from Observed
                 Metric Conditions to Alternate Metric Conditions
11.1.8 Use of Implementation Procedures to Generate Correction
       Factors in Tabular Format
       11.1.8.1 Instructions to Generate Table 5A - API Gravity
                 Correction to 60 degrees F for Generalized
                 Crude Oils
       11.1.8.2 Instructions to Generate Table 5B - API Gravity
                 Correction to 60 degrees F for Generalized Products
       11.1.8.3 Instructions to Generate Table 5D - API Gravity
                 Correction to 60 degrees F for Generalized Lubricating
                 Oils
       11.1.8.4 Instructions to Generate Tables 6A and 6B - Correction
                 of Volume to 60 degrees F Against API Gravity at
                 60 degrees F for Generalized Crude Oils and Products
       11.1.8.5 Instructions to Generate Tables 6D - Correction of
                 Volume to 60 degrees F Against API Gravity at 60
                 degrees F for Generalized Lubricating Oils
       11.1.8.6 Instructions to Generate Table 23A - Correction of
                 Observed Specific Gravity to Specific Gravity
                 60/60 degrees F for Generalized Crude Oils
       11.1.8.7 Instructions to Generate Table 23B - Correction of
                 Observed Specific Gravity to Specific Gravity
                 60/60 degrees F for Generalized Products
       11.1.8.8 Instructions to Generate Table 23D - Correction of
                 Observed Specific Gravity to Specific Gravity
                 60/60 degrees F for Generalized Lubricating Oils
       11.1.8.9 Instructions to Generate Tables 24A and 24B -
                 Correction of Volume to 60 degrees F Against Specific
                 Gravity 60/60 degrees F for Generalized Crude Oils
                 and Products
       11.1.8.10 Instructions to Generate Table 24D - Correction of
                 Volume to 60 degrees F Against Specific Gravity
                 60/60 degrees F for Generalized Lubricating Oils
       11.1.8.11 Instructions to Generate Table 53A - Correction of
                 Observed Density to Density at 15 degrees C for
                 Generalized Crude Oils
       11.1.8.12 Instructions to Generate Table 53B - Correction of
                 Observed Density to Density at 15 degrees C for
                 Generalized Products
       11.1.8.13 Instructions to Generate Table 53D - Correction of
                 Observed Density to Density at 15 degrees C for
                 Generalized Lubricating Oils
       11.1.8.14 Instructions to Generate Tables 54A - Correction
                 of Volume to 15 degrees C Against Density at
                 15 degrees C for Generalized Crude Oils
       11.1.8.15 Instructions to Generate Tables 54B - Correction
                 of Volume to 15 degrees C Against Density at
                 15 degrees C for Generalized Products
       11.1.8.16 Instructions to Generate Tables 54D - Correction
                 of Volume to 15 degrees C Against Density at
                 15 degrees C for Generalized Lubricating Oils
       11.1.8.17 Instructions to Generate Tables 59A - Correction
                 of Observed Density to Density at 20 degrees C for
                 Generalized Crude Oils
       11.1.8.18 Instructions to Generate Tables 59B - Correction of
                 Observed Density to Density at 20 degrees C for
                 Generalized Products
       11.1.8.19 Instructions to Generate Tables 59D - Correction of
                 Observed Density to Density at 20 degrees C for
                 Generalized Lubricating Oils
       11.1.8.20 Instructions to Generate Table 60A - Correction of
                 Volume to 20 degrees C Against Density at 20 degrees
                 C for Generalized Crude Oils
       11.1.8.21 Instructions to Generate Table 60B - Correction of
                 Volume to 20 degrees C Against Density at 20 degrees
                 C for Generalized Products
       11.1.8.22 Instructions to Generate Table 60D - Correction of
                 Volume to 20 degrees C Against Density at 20 degrees
                 C for Generalized Lubricating Oils
       11.1.8.23 Instructions to Generate Tables 6C & 24C - Volume
                 Correction Factors for Individual and Special
                 Applications Volume Correction to 60 degrees F
                 Against Thermal Expansion Coefficients at 60
                 degrees F
       11.1.8.24 Instructions to Generate Tables 54C & 60C - Volume
                 Correction Factors for Individual and Special
                 Applications Volume Correction to 15 degrees C or
                 20 degrees C Against Thermal Expansion Coefficients
       11.1.8.25 Instructions to Generate 1984 Chapter 11.2.1
                 Compressibility Factor Table - Compressibility
                 Factors for Hydrocarbons Related to API Gravity
                 and Metering Temperature
       11.1.8.26 Instructions to Generate 1984 Chapter 11.2.1M
                 Compressibility Factor Table - Compressibility
                 Factors for Hydrocarbons Related to Density and
                 Metering Temperature
Appendix A - History & Development of the 1980 Petroleum
             Measurement Tables
A.1 Background
A.2 Experimental Project
A.3 Fluid Groups
A.4 Separate Representation Needed for Crude and Product
     Classes
A.5 Correlation Development
A.6 Parameter Determination and Results
A.7 Development of 1980 Tables
A.8 Summary and Precision Statement
     Independent Test of the Correlation
A.9 Comparison of the Pre-1980 and 1980 Tables
     Hydrometer Corrections
A.10 Density & Relative Density
A.11 References
Appendix B - History & Development of the 1981 Hydrocarbon
             Compressibility Factors
B.1 Basic Mathematical Model & Uncertainty Analysis
B.2 References
Appendix C - Development of Modified CTL Equations for Base
             Temperatures Other Than 60 degrees F
C.1 Introduction
C.2 Changing Temperature Bases
C.3 Consistency of Results
C.4 Original Equations
C.5 Mathematical Conversion from Customary to Metric
     Temperature Units
     C.5.1 Conversion of Temperatures
     C.5.2 Shift of Base Temperature Value
     C.5.3 Calculation of the 60 degrees F Thermal Expansion Factor
C.6 Conversion to ITS-90 Temperature Scale
Appendix D - International Temperature Scale of 1990, ITS-90
             Changes to the International Temperature Scale Since
             1980 Impact on the Petroleum Measurement Tables
             60 degrees F Water Density
Appendix E - Development of Thermal Expansion Regression
             Equations
Appendix F - Development of Iteration Equations
Newton's Method
Derivation of This Standard's Newton's Method Equations
Simplification of the Temperature Derivative Term
Special Applications - 'C' Tables
Use of Iteration Equations to Shift 60 degrees F Standard Density

Specifies the algorithm and implementation procedure for the correction of temperature and pressure effects on density and volume of liquid hydrocarbons which fall within the categories of crude oil, refined products, or lubricating oils.