API MPM CH20.1 : 1993 : R2011

SECTION 1 - ALLOCATION MEASUREMENT
1.1 Introduction
1.2 Scope
1.3 Terms
      1.3.1 Definitions
      1.3.2 Abbreviations
1.4 Referenced Publications
1.5 Liquid Quantity Measurement
      1.5.1 General Design Considerations
      1.5.2 Measurement Equipment Considerations
1.6 Liquid Sampling Procedures
      1.6.1 Spot Sampling Systems
      1.6.2 Automatic Sampling Systems
1.7 Liquid Quality Measurement
      1.7.1 Introduction
      1.7.2 Water Cut Analyzers
      1.7.3 Tank Gauging Methods
      1.7.4 Shrinkage Factor
1.8 Liquid Proving and Calibration Techniques
      1.8.1 Proving a Master Meter
      1.8.2 On-Site Proving of Allocation Meters
      1.8.3 Off-Site (Transfer) Proving of Allocation Meters
1.9 Liquid Calculation Procedures
      1.9.1 Introduction
      1.9.2 Shrinkage Factor
      1.9.3 Sediment and Water (S&W) Factors
      1.9.4 Temperature Correction
      1.9.5 Theoretical Production Calculation
      1.9.6 Water Cut Determination
      1.9.7 Corrected Production Calculation
      1.9.8 Closing Inventory (Stock) Determination
      1.9.9 Allocation Procedures
      1.9.10 Liquid Petroleum Quantity Measurement by Mass
              Flow Meters
1.10 Gas Quantity Measurement
      1.10.1 General Design Considerations
      1.10.2 Measurement Equipment Considerations
1.11 Frequency of Proving and Calibration
      1.11.1 Well Tests
      1.11.2 Meter Proving
      1.11.3 Sampling
      1.11.4 Meter Calibration
1.12 Gas Sampling Procedures
      1.12.1 Spot Sampling
      1.12.2 Automatic/Composite Sampling System
      1.12.3 Sample Probe
      1.12.4 Sample Cylinders
1.13 Gas Quality Measurements
      1.13.1 Dew Point
      1.13.2 Energy Content, Btu (kJ)
      1.13.3 Recoverable Hydrocarbon Liquids (GPM or
              m[3][liq]/m[3][gas])
      1.13.4 Composition
1.14 Gas Calibration and Proving Techniques
      1.14.1 On-Site Calibrations
      1.14.2 Off-Site Calibrations
1.15 Gas Allocation Calculation Procedures
      1.15.1 Overview
      1.15.2 Calculation Procedure
      1.15.3 Other Variables
      1.15.4 Auditing
1.16 Multiphase Quantity Measurement
      1.16.1 Flow Measurement Systems
      1.16.2 Sampling
      1.16.3 Proving and Calibrating Techniques and Equipment
      1.16.4 Multiphase Sample Calculation Procedures
      1.16.5 Report Considerations
APPENDIX A - VOLUME CORRECTION FACTOR FOR THE EFFECT OF
             TEMPERATURE ON PRODUCED WATER
APPENDIX B - SAMPLE CALCULATION FOR PROCEDURE B STATIC
             SAMPLING - VOLUMETRIC MEASUREMENT
             (CUSTOMARY UNITS)
APPENDIX C - SAMPLE CALCULATION FOR PROCEDURE B STATIC
             SAMPLING - VOLUMETRIC MEASUREMENT (SI UNITS)
APPENDIX D - SAMPLE CALCULATION FOR PROCEDURE C DYNAMIC
             SAMPLING - VOLUMETRIC MEASUREMENT
             (CUSTOMARY UNITS)
APPENDIX E - SAMPLE CALCULATION FOR PROCEDURE B DYNAMIC
             SAMPLING - VOLUMETRIC MEASUREMENT (SI UNITS)
APPENDIX F - SAMPLE CALCULATION FOR PROCEDURE A DYNAMIC
             SAMPLING - MASS MEASUREMENT (CUSTOMARY
             UNITS)
APPENDIX G - SAMPLE CALCULATION FOR PROCEDURE A DYNAMIC
             SAMPLING - MASS MEASUREMENT (SI UNITS)
APPENDIX H - SAMPLE CALCULATION FOR PROCEDURE B STATIC
             SAMPLING - MASS MEASUREMENT (CUSTOMARY
             UNITS)
APPENDIX I - SAMPLE CALCULATION FOR PROCEDURE B STATIC
             SAMPLING - MASS MEASUREMENT (SI UNITS)
APPENDIX J - FULL SCALE FIELD SEPARATOR TESTING
               SAMPLE REPORT FORM
               SAMPLE SUMMARY FORM
APPENDIX K - FULL WELL STREAM RECOMBINATION REPORT

Covers operating and design guidelines for liquid and gas allocation measurement systems.