API MPM CH12.2 PT4 : 1997(R2014)

1 PURPOSE
2 SCOPE
3 APPLICATION OF PART 4
4 ORGANIZATION OF STANDARD
   4.1 Part 1 - Introduction
   4.2 Part 2 - Measurement Tickets
   4.3 Part 3 - Proving Reports
   4.4 Part 4 - Calculation of Base Prover Volumes by the
                 Waterdraw Method
   4.5 Part 5 - Calculation of Base Prover Volumes by the Master
                 Meter Method
5 REFERENCED PUBLICATIONS
6 FIELD OF APPLICATION
   6.1 Applicable Liquids
   6.2 Base Conditions
7 PRECISION, ROUNDING, AND DISCRIMINATION LEVELS
   7.1 Rounding of Numbers
   7.2 Discrimination Levels
8 DEFINITIONS AND SYMBOLS
   8.1 Definitions
   8.2 Symbols
9 CALIBRATION REQUIREMENTS
   9.1 Displacement Provers - Unidirectional Design
   9.2 Displacement Provers - Bidirectional Design
   9.3 Open Tank Provers
   9.4 Repeatability
10 CORRECTION FACTORS
   10.1 Water Density Correction Factors
   10.2 Prover Test Measure Correction Factors
   10.3 Combined Correction Factor for Effect of Temperature on
        Steel
11 RECORDING OF FIELD DATA
   11.1 Field Data Discrimination Levels
   11.2 Discrimination Level Tables
12 PROVER VOLUME CALCULATION SEQUENCE AND DISCRIMINATION
   LEVELS
   12.1 Displacement Provers
   12.2 Open Tank Provers
13 BASE PROVER VOLUME CALCULATION EXAMPLES
   13.1 Displacement Prover - Conventional Unidirectional Pipe
        Design
   13.2 Displacement Prover - Conventional Bidirectional Pipe
        Design
   13.3 Displacement Prover - Unidirectional Small Volume Prover
        Design
   13.4 Open Tank Prover

This document provides standardized calculation methods for the quantification of liquids and the determination of base prover volumes under defined conditions, regardless of the point of origin or destination or units of measure required by governmental organizations.