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Flow Measurement and Custody Transfer

by Mr. John Westover

27-29 November 2016 | Dubai, UAE

 

Overview

Unlike other instruments, some flow and level measurement devices involve the movement of money (custody transfer). 

 

How do you know yours are working properly? 

Understanding the basics of the devices that are key to the financial success of your organisation is important – not just from the perspective of financial success, but also to ensure good relations with your suppliers and customers.

 

This course is unique in that we look at all measurement devices for financial transactions, including production allocation, royalty payments, and custody transfer of non-products (such as consumable chemicals).

 

Good measurement is not about increasing your profits; it is about increasing your confidence that your measurements are correct.  Bad measurement may be increasing your income, but it can set your organisation up for a lawsuit, and potential loss of reputation.

 

This three-day course:

  • Examines the different types of custody transfer

  • Conducts a thorough review of both flow and level measurement

  • Examines the difference between calibration and proving

  • Examines methods to prove flow and level measurement systems

  • Examines potential problems with proving systems

  • Discusses various industry and international standards.

 

As with any John Westover course, this course uses a mix of classroom lecture and participation discussion.

 

Who Should Attend?

The course is intended for practicing instrumentation, chemical, or process engineers and measurement superintendents and technicians involved with the design or operation of custody transfer systems, or the design companies that support them.

 

What you will gain?

  • A thorough understanding of the basics of custody transfer

  • An understanding about how measurement systems can not work properly

  • The ability to determine if a metering system is adequate for the purpose

  • The ability to report to management on the status of the custody transfer systems in place

  • Understand how each measuring device works, and therefore understanding how operational/process issue can affect measurement accuracy

  • Understanding the difference between calibration and proving and how provers work

  • Understand how some installation issues can alter measurement

 

Course Content:

 

Day 1

 

·       Introduction, including the different forms of custody transfer

o   Buying and Selling

o   Allocation for distributing revenue or expenses

o   Fiscal for payment to regulatory authorities

o   Flow Measuring Devices

o   What we measure is not always what we want, and how to get what we want

o   Differential pressure measurement

o   Velocity measurement

o   Mass measurement

o   Intrusive / non-intrusive measurement

o   Level Measuring Devices

o   What we measure is not always what we want, and how to get what we want

o   Displacement measurement

o   Buoyancy measurement

o   Top-entry measurement

o   Non-contact measurement

 

Day 2

 

·       Proving Flow Measurement Devices

o   Differences between "calibration" and "proving"

o   The need to verify that the flow measurement device is "good enough"

o   Permanent proving facilities

o   Leased and portable proving facilities

o   Different methods

o   Volumetric

o   Gravimetric

o   Continuous / non-continuous meters

o   Proving Frequency

o   Proving Level Measuring Devices

o   Defining required accuracy in level and inventory management

o   Tank calibration methods

o   Strapping

o   Flow meters

o   Electro-optical-distance-ranging

o   Inventory management systems

·       LACT Units

o   Introduction to LACT Units

o   Overview of simple, totally automated systems

·       Problems with Provers

o   Understanding how Prover Systems can fail to work properly

o   Impact of faulty proving methods

o   Problems with the prover

o   Problems with the installation

o   Identifying and managing prover shortcomings

 

Day 3

 

For the balance of the course, this is a generic agenda. This may be customised to the needs of the delegates. Some topics may not be covered, and some topics not listed may be covered.

·       Using custody transfer methods in less traditional situations

·       Purchasing consumables

·       Ensuring product quality

·       Custody transfer utilising trucks

·       Understanding API gravity

·       Impact of temperature

·       Difference between what is measured and what is sold

·       Density measurement

·       Multiphase Metering

·       Introduction to Multiphase flow

·       Different types of multiphase flow

·       Problems with measuring multiphase flow

·       Areas where multiphase flow are desired

·       Combining custody transfer with other process control applications

·       Case studies

·       Open discussion

 

Miscellaneous videos and class activities are presented depending upon specific delegate requirements.

 

About the Trainer

John Westover has over 33 years of experience primarily supporting the Oil & Gas Industry. His experience includes hazard evaluation, custody transfer, process simulation, design, debottlenecking, troubleshooting, start-up, project conception, training and mentoring.

 

John's experience includes operations involving distillation, energy transfer, pumps and compressors, electrical generation, filtration, storage, absorption, adsorption, cryogenic operations, reactors and utilities management. He worked with companies such as Fluor Alaska, BP Alaska, Amoco Production Company and more.

 

He has attended and facilitated numerous industry short courses. A graduate of University of Arizona in Bachelor of Science in Chemical Engineering, Masters of Engineering Science in Process Integration from Monash University and a Certificate IV in Training and Assessment (TAE40110).

 

Investment  Fee

SG$ 2,985.00 per person

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