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MANUAL OF PETROLEUM MEASUREMENT STANDARDS - CHAPTER 3 - TANK GAUGING - SECTION 6 - MEASUREMENT OF LIQUID HYDROCARBONS BY HYBRID TANK MEASUREMENT SYSTEMS
American Petroleum Institute
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Availability date: 10/27/2021
1 INTRODUCTION
2 SCOPE
3 REFERENCED PUBLICATIONS
4 DEFINITIONS
5 GENERAL
5.1 Safety Precautions
5.2 Equipment Precautions
6 SELECTION AND INSTALLATION OF HYBRID TANK MEASUREMENT
SYSTEM EQUIPMENT
6.1 General
6.2 Automatic Tank Gauge (ATG)
6.3 HTMS Pressure Sensor(s)
6.4 Automatic Tank Thermometer (ATT)
6.5 Hybrid Processor
6.6 Optional Sensors
7 ACCURACY EFFECTS OF HTMS COMPONENTS AND INSTALLATION
7.1 Accuracy Effects of the ATG
7.2 Accuracy Effects of the Pressure Sensor(s)
7.3 Accuracy Effects of the ATT
8 HTMS MEASUREMENTS AND CALCULATIONS
8.1 HTMS Mode 1
8.2 HTMS Mode 2
9 COMMISSIONING AND INITIAL FIELD CALIBRATION
9.1 Initial Preparation
9.2 Initial HTMS Component Calibrations
9.3 Verification of Hybrid Processor Calculations
9.4 Initial Field Verification of HTMS
10 REGULAR VERIFICATION OF HTMS
10.1 General
10.2 Objectives
10.3 Adjustment During Regular Verification
10.4 Regular Verification of HTMS in Volume-based Custody
Transfer Applications
10.5 Regular Verification of HTMS in Mass-based Custody
Transfer Applications
10.6 Handling Out-of-Tolerance Situations During Regular
Verification of HTMS in Custody Transfer Application
10.7 Regular Verification of HTMS in Inventory Control
Application
APPENDIX A - CALCULATION OVERVIEW
APPENDIX B - MEASUREMENT ACCURACY
APPENDIX C - ILLUSTRATIVE EXAMPLE
Describes selection, installation, commissioning, calibration and verification of Hybrid Tank Measurement Systems (HTMSs) for the measurement of level, static mass, observed and standard volume, and observed and reference density in tanks storing petroleum and petroleum products.
Published | |
Document Type | Standard |
Status | Current |
Publisher | American Petroleum Institute |
ProductNote | Reconfirmed 2001 |
Pages | |
ISBN |