Oil and Gas Processing Flow Measurement

Introduction:

Accurate flow measurement is essential to today's oil & gas operations. This course aims to provide training to facility operators, technicians and engineers, which, once delivered, "keep on working".

Participants are encouraged to raise queries both during and at any time after attending the seminar. Participants are also encouraged to bring with them any issues that they may have to the course.

Targeted Groups:

• Engineers and Technicians of all disciplines
• Instrumentation Personnel
• Procurement and Quality Control Personnel
• Inspection and Maintenance Engineers

Course Objectives:

At the end of this course the participants will be able to:

• Understand the Legal and Commercial Metering Requirements
• Appreciate design criteria and the importance of accuracy
• Understand measurement concepts and types of error
• Understand the basic concepts, principle of operation and equipment used for Gas metering, liquid metering, proving and sampling
• Understand the basic concepts, principle of operation, and hardware used for typical flow computers, Prover Control Micro-computers, and Supervisory Systems.
• Understand the typical operations, control functions and record-keeping requirements
• Evaluate the results of Turbine Meter Calibration and determine the validity by use of Control Chart

Targeted Competencies:

• The laws governing fluids and gases
• Important principles of flow-metering including accuracy and repeatability
• Main types and applications of Flowmeters with emphasis on custody transfer
• Flowmeter proving and calibration techniques
• Custody transfer principles and applications

Course Content:

Unit 1: Typical Gas System Overview:

• Typical Gas Pipeline System
• Role of Operator
• Overview of Typical Gas Sales
• Contracts

Unit 2: Typical Gas Metering System Overview:

• Introduction to Fiscal Metering
• Pipework and Valving
• Flow Measurement
• Secondary Instrumentation

Unit 3: Primary Flow Measurement Instrumentation:

• The Flowmeter
• Meter Tubes and Other Fittings
• Removals/Replacement Procedure

Unit 4: Flow Measurement Accuracy:

• Flow Measurement Uncertainty,
• Rangeability and Calibration
• Calculating Uncertainty
• Traceability

Unit 5: Secondary Measurement Instrumentation:

• Pressure Measurement
• Temperature Measurement
• Density Measurement

Unit 6: Gas Quality Measurement:

• The Gas Sampling and Conditioning System
• Relative Density Analyzer
• Moisture Analyzer

Unit 7: Gas Chromatographs:

• Introduction to Gas Chromatography
• Gas Conditioning System
• Gas Chromatograph
• Chromatograph Controller
• Calibration and Maintenance

Unit 8: Calibration and Proving

• Proving and Calibration Principle.
• Flowmeter and secondary measurement proving.
• Meter prover and performance issues.
• Calibration of meter provers.
• Calibration Report calculations (Meter factor, repeatability uncertainty)

Unit 9: Computer System Overview:

• Hardware
• Software
• Display Formats
• Alarm Handling and Interpretations
• Response to Input Failures
• Stream Flow computer (Introduction, Webserver, PC Setup, Display editor, Report Editor).
• Supervisory Computer.

Unit 10: Supervisory Computer System:

• Hardware and Software
• Operator Interface
• System Security
• Communications

Unit 11: Metering Panel Auxiliary Equipment:

• Analog to Digital Conversion
• Power Supplies

Unit 12: Introduction to Primary Flow Measurement Devices:

• Introduction
• Basic Principles of Pipe Flow
• Mathematical Developments

Unit 13: Primary Flow Measurement Devices - Differential Pressure Type:

• Simple Theory
• Orifice Meters
• Venturi Meters
• Flow Nozzles
• Low Loss Devices
• Variable Orifice Meters
• Variable Area Meters
• Pitot Tubes and Pitot Static Tubes
• Target Flowmeters

Unit 14: Primary Flow Measurement Devices - Displacement Flowmeters:

• Basic Principles
• Liquid Meters
• Designs for Gases
• Advantages and Disadvantages
• Applications

Unit 15: Primary Flow Measurement Devices - Rotary Inferential Meters:

• Turbine Flowmeters
• Miscellaneous Designs
• Advantages and Disadvantages

Unit 16: Primary Flow Measurement Devices - Fluid Oscillatory Flowmeters:

• Principle of Operation
• Vortex Shedders
• Advantages and Disadvantages

Unit 17: Primary Flow Measurement Devices - Electromagnetic Flowmeters:

• Principle of Operation
• AC and Pulsed DC Types
• Applications
• Advantages and Disadvantages

Unit 18: Primary Flow Measurement Devices - Ultrasonic Flowmeters:

• Doppler Type
• Time-of -Flight Type
• Clamp-on Type
• Applications
• Advantages and Disadvantages

Unit 19: Primary Flow Measurement Devices - Mass Flow Measurement:

• Coriolis Flowmeters
• Angular Momentum Devices
• Thermal Meters
• Applications
• Advantages and Disadvantages
• Troubleshooting

Unit 20: Primary Flow Measurement Devices - Miscellaneous:

• Cross-Correlation
• Tracer Methods
• Weighing Methods
• Lasers

Unit 21: Flow Measurement Systems and Custody Transfer Considerations:

• Custody Transfer Requirements
• Meter Factor
• Proving Systems: Direct, Indirect, Master Meter, Volume, Displacement
• Custody Transfer Skids
• Flow Computers and Communication
• Temperature and Pressure Measurements

Unit 22: LACT Unit

• Overview of LACT/ACT installations.
• Metering System Component overview and functionality.
• Valves in Liquid metering system.
• Temperature and Pressure instrumentation in the metering system.
• Automatic Sampling System.

Unit 23: API MPMS

• API MPMS Ch11.1 (Volume correction factors)
• API MPMS Ch12 Calculation of Petroleum Quantities.