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Western Gas Measurement

Short Course 2022



Gas Quality/Odorization Papers

Decommissioning of Natural Gas Odorization Equipment

Wesley Lucas, Midland Resource Recovery, Inc.

This article will go through some of the drivers for decommissioning of odorizer equipment, the process of decommissioning of odorizer equipment, health and safety concerns revolving around decommissioning of odorizer equipment and environmental hazards to be considered when decommissioning odorization equipment.


Material Compatibility for Hydrogen Blending

Isaac Droessler, Emerson

This article will review concerns and outline the research and testing methodologies being undertaken to ensure compatibility of blended hydrogen with pressure regulation and pressure relief equipment.


Introduction to Gas Quality

May Lew, SoCal Gas

This presentation will go over typical natural gas parameters that should be specified.


Hydrocarbon Dew Point Measurement in Natural Gas

Andy Benton, Process Sensing Technologies (PST)

Methods and Economics of measuring the hydrocarbon dew point (HCDP) of the natural gas fuel.


Odorant Transfer and Delivery Systems

Juraj Strmen, MRR

A detailed discussion of odorant transfer systems (including closed loop, flare, and venting) for product transfers from stationary and portable tanks.  The discussion will focus on operations safety, closed loop designs, and system integrity.


Introduction to Odor Fade and Odorant Conditioning for the Natural Gas Industry

Daniel R. McCormack, Tansley Associates Environmental Sciences Inc.

The odorization of natural gas is the number one safety initiative that the natural gas industry uses to keep the public safe.


Gas Odorants - Safe Handling, Health, and Environment Concerns

John Washer, Gas Odorant Services & Supply L.P.

This presentation will provide an overview of the human health and environmental concerns associated with gas odorants, to recommend safe handling and personal monitoring, and the impact of regulatory changed associated with the chemical management of these chemicals. 


Operations and Maintenance of Online Gas Chromatographs

Jamie Marsden, Emerson

The gas chromatograph (GC) is an integral component of the natural gas custody metering station and has a significant impact on the accuracy of the fiscal flow calculation.


Renewable Natural Gas Measurement

Don Ford, Spartan Controls

This paper will explore the measurement facets associated with the RNG receipt process at the pipeline and utility level.


Principles of Odorization

Steve Sams, Welker, Inc.

This presentation will go over the process of adding odorant to natural gas so that its presence can be detected by people and why its required by law.


WGMSC Odorization 101

Steve Sams, Welker, Inc.

This presentation goes covers what odorization is, types of odorizers, installation considerations, and supporting products and technologies.


Best Practices/General Interest

Hazardous Area Classification

Larry Matora, SoCal Gas

This presentation reviews AGA and API standards, utilized in determining the hazardous location classification for electrical wiring, along with discussion of typical hazardous location classifications encountered in the gas industry.


Preventative vs. Reactive Valve Maintenance

Michael Legittino, Western Gas Technologies

This paper discusses the importance of preventative valve maintenance and studies ways to easily alleviate the risks of putting the operators in a vulnerable position due to valve failure.


Hazardous Area Classification

Eric Kaert, Spartan Controls

This presentation covers forms of Overpressure Protection, Design and Layout Considerations, and Fabrication.


Line Heater Technologies Gaining Efficiencies

Allen Gramlich, ARG Group Inc.

This presentation covers a general overview of an efficient line heater, line heater types and components, Combustion Analysis, and installations and approvals. 


Letherbridge Biogas RNG: Helping Decarbonize the Gas Grid in Alberta

Anthony Cao, ATCO

This presentation is an overview of RNG Biogas Site in Alberta, Canada.


Emergency Response Planning

Taras Sandulak, Fortis BC

Integrated approach to Emergency Planning that focuses on capacities and capabilities that are critical to preparedness for a full spectrum of emergencies or disasters regardless of origin or mechanism.


California Utilities Renewable Gas Quality

Kelly Crystal, Intermountain Gas Co.

This presentation covers introductions and status of renewable gas supplies, history of biomethane gas quality standards,  California joint utility standard for renewable gas interconnection standards.


Valve Maintenance: Ball Valves and Plug Valves

Mike Legittino, Western Gas Technologies

This presentation covers Preventative Valve Maintenance and Reactive Valve Maintenance for ball valves and plug valves.



Introduction to Basic Gas Laws

Tim Clark, Itron

For those new to measurement or needing a refresher, an introduction to the basic gas laws including Boyle's Law, Charles' Law, Ideal Gas Law, and supercompressibility; and how they are used in gas measurement.


Introduction to Gas Metering

Bob Bennett, Honeywell

A discussion of positive displacement (diaphragm, rotary) and inferential (orifice, coriolis, vortex, turbine, and ultrasonic) meter basics and their application in natural gas measurement.


Introduction to Ultrasonic Meters

John Lansing, Lansing Measurement Services

Discussion of the theory of operation of ultrasonic meters including velocity of sound determination; effects of gas composition, gas velocity, flow conditioning, and flow profiles; accuracy and uncertainty; and flow calibration.


Fundamentals of Gas Turbine Meters

Paul Honchar, Sensus

This class will focus on the basic theory, operating principles, performance characteristics and installation requirements used in turbine meter applications. A discussion of fundamental turbine meter terminology is also included.


Selection and Usage of Coriolis Meters for Gas Measurement

Tonya Wyatt, Emerson

A discussion about properly selecting and sizing the correct Coriolis meters for various applications within the natural gas market. 


Differential Pressure Testing of Rotary Meters

Madeline Corb, Dresser

A discussion on how to conduct differential testing of rotary meters, how to interpret and act on the results, and the various state commission rules pertaining to differential testing.


Ultrasonic Meter Station Design

David Crandall, Cameron Measurement

A discussion of the specific considerations the engineer should consider when designing ultrasonic meter installations such as noise abatement, header design, meter maintenance and gas flow conditioning.


Fundamentals of Flow Computers

John Swartz, Eagle Research Corp.

Presentation on the fundamental parameters to consider when designing an Electronic Flow Measurement (EFM) system.


Regulator and Industrial Meter Station Design

Lamar May, Williams Northwest Pipeline

Presentation on regulator and meter station design from concept to installation. Emphasis on district regulator stations, large industrial meter stations, and custody transfer facilities.


Measurement Standards and Updates

Presentation will focus on recently updated U.S standards, guidelines and recommended practices pertaining to dry natural gas volume/mass measurement and energy/content/heating value determination.


Distribution Gas Meter Proving

Gregory Germ, Honeywell

The lecture-type workshop will discuss the importance of accurate gas meter proving and testing. The discussion will introduce common gas meter testing terminology and definitions, describe the three most common types of distribution gas meter test equipment, explain proper prover calibration and certification techniques, and list common direct and indirect concerns that may lead to errant gas meter test results.


Understanding Gas Ultrasonic Meter Diagnostics

Joel Nava, Sick

This session will introduce attendees to the basic concepts of ultrasonic measurement and introduce the basic diagnostic signals and how they may be interpreted.


Combined Accuracy

Rex Allen, Sempra Utilities

In this workshop we will discuss elements that make up combined accuracy: over/under calculation of EVC accuracy. Technician error/mis-programming, transducer error, RTD error, meter error and meter degradation. How to calculate “as found” and “as left” combined accuracy. Billing and LUAF impact.


Meter Sampling Theory

David Thai, Sempra Utilities

Discuss meter sampling program specifications and results. Sub-topics to include sample criteria, acceptable accuracy for meter retention, regulatory requirements, meter family replacement, considerations and trends; and related economics factors.


AGA 6 – Field Proving Large Diameter Gas Meters

Geoff Hager, M3

This presentation describes a new field verification process that represents a compromise between diagnostic monitoring and a laboratory re-calibration.   The presentation begins with a description of AGA6, the meter package, connecting piping, and instrumentation. The discussion continues with a case study that highlights the verification process and results.


USM Tube Design

A New Approach to Optimal Flow Profiles and Noise Attenuation – Geoff Hager, Big Elk

This presentation describes a new ultrasonic meter tube design which improves the flow profile and reduces noise while maintaining an in-line piping arrangement.  The discussion continues with recent lab data which highlights the flow profile and noise attenuation results of the new design.



Introduction to Gas Regulation

Robbie Swigert, Itron

The fundamentals of pressure regulation covering spring and pilot type regulators, sizing, operation, and troubleshooting.


Introduction to Overpressure Protection

Peter Cathcart, Northwest Natural Gas

Introduction of methods available to prevent over-pressurization of downstream piping per applicable code requirements


Introduction to Regulator and Relief Sizing

Mark Dykoff, Caltrol

Introduction to concepts required to size regulators, relief valves, and monitor stations.


Flexible Element Regulators

Reese Dawes, Spartan Controls

Presentation of the advantages and disadvantages of flexible element regulators including a review of monitor and single cut/relief applications, principles of operation, sizing, installation/ maintenance, and best practices.


Noise Mitigation in Regulator Stations

Lamar May, Williams Northwest Pipeline

Introduction to the causes of regulator station noise and methods used to mitigate.


Regulator Freeze Protection

Austin Sorenson, Williams Northwest Pipeline

Application of technologies to mitigate freezing issues associated with the Joule-Thomson effect in the natural gas industry.


Troubleshooting Regulators

Paul Anderson, Emerson

Presentation will offer a systematic approach to troubleshooting.  Discussion will include common causes of delivery pressure problems at regulation facilities: overpressure, under-pressure, cyclic or unstable control; and solutions for those issues.


Troubleshooting Control Valves

Jim Green, Tri-Pacific

Presentation will offer a systematic approach to troubleshooting and correcting problems with pressure control valves.


Three Mode Control (PID) Tuning

Ed Austin, PCE Pacific

Presentation will offer methods for tuning Three Mode Control (PID) loops, including PID definition and basic theory.


Monitor Strategies and Implementation

Sam Hegje, Tri-Pacific

Presentation will discuss various strategies for Monitor regulator or control valve use and provide example of different methodologies.


Regulator and Relief Valve Field Challenges: Writing and Implementing Field Procedures for Testing Regulator Lockup & Relief Valve Set Points

Ken Goodwin, PCE Pacific

Presentation will discuss variations in maintenance practices in the industry and will cover important considerations.


Regulator Sample Testing

Peter Klock, ESC Engineering Services

Presentation covers implementation of regulator sample testing to monitor incoming product quality and methods to test incoming regulators.


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