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Natural Gas Custody Transfer Measurement and Maintenance

By: Angelus Consulting and Research Limited

Lagos State, Nigeria

05 - 09 Sep, 2016  5 days

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NGN 160,000

Accuracy is very important in the hydrocarbon industry especially at custody transfer points as measurement errors even as low as 0.05% culminates in huge financial losses and threatens return in investments/organizational existence.

It therefore becomes imperative that personnel (technical operations) in the oil and gas business have the requisite skill set in actualizing high accuracy in custody transfer measurement that guarantees profit optimization and prevents wastages.          

This training program is specially designed to intimate participants on the needed first-hand knowledge in optimally operating custody transfer metering systems.

Learning Objectives

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

  • Analyze the requirements and accuracy level needed in custody transfer metering systems.
  • Understand natural gas quantitative and qualitative measurement.
  • Understand methods for restoring accuracy level in metering systems


Lectures complemented by hands-on exercises using various schematic/blueprint drawings of various industrial layouts and Troubleshooting Software

Target Participants

This course is open to all who have science/engineering background, stakeholders in the oil and gas industry, field operators, supervisory engineers, process engineers, production engineers, control room personnel and any prospective oil and gas business investor.


  • Basic safety in the oil and gas industry
  • Natural gas production, pricing and sales
  • Meaning of fiscal/custody transfer and allocation metering
  • Meaning of hydrocarbon accounting, allocation, material balance
  • Contractual agreement in custody transfer metering
  • Gas properties; Ideal gas law, real gas law and the concept of super compressibility
  • Flow regimes/ profiles and the concept of Reynolds number in pipelines
  • Flow conditioners/ straightening vanes/strainers/air eliminators
  • Fundamentals of flow measurement; Flowing and standard(Base) conditions of measurement
  • Energy conservation equations/continuity equations/ Bernoulli’s equation.
  • Flow meters; direct measurement meters/ inferential meters; Distinction between Displacement / Differential meters.
  • Invasive and non-invasive metering systems
  • Flow meters and types and principles of operation
  • The role of instruments in metering/measurement
  • Basic terminologies on instrumentation and control; Meaning of errors, span, accuracy, repeatability.
  • The gas laws: Basic flow equations; THE AGA 3, AGA 8, ISO 5167 and API 14.3 standards as applied in orifice metering.
  • Measureable process parameters (Pressure, temperature, flow, etc.).
  • Maintenance of flow meters; factors to be considered for the selection of flow meters.
  • Flow computers
  • Difference between systematic and random errors.
  • Uncertainty in measurements.
  • Effects of acoustics on flow measurement
  • LACT units
  • Pressure and volume compensation
  • Factors affecting meter performance
  • Factors to consider during meter installations
  • Difference between flow rates and totals
  • Production allocation in shared pipeline
  • What is a metering skid?
  • What is the meaning of master meter and traceability?
  • Factors affecting custody transfer measurement
  • Natural gas qualitative measurement; chromatographs, analyzers etc.
  • DPR standard in gas measurement.
  • Calibration and meter proving
  • Troubleshooting of basic gas flow meters
  • Glossary of terms in natural gas measurement
  • Deploying a SCADA system for process optimization; Meaning of SCADA system, hierarchy of SCADA, factors in setting up a SCADA system and problems associated with SCADA systems
70b, Olorunlogbon Street, Anthony Village, Lagos state Sep 05 - 09 Sep, 2016
NGN 160,000.00
(Convert Currency)

07082570187, 08183533642

10% discount available for 2 and more participants from the same organization.
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