Whichever technology you prefer, whatever your budget and whatever the application, our engineers have the knowledge and experience to deliver high accuracy gas metering packages to suit your needs.

Whether ultrasonic meters for reduced uncertainty, high turndown, wide range of capacity and low maintenance; orifice meters for simple, proven designs at a relatively low cost; turbine meters for low cost, accurate and repeatable designs; Venturi meters for low pressure loss, low maintenance and proven technology suitable for wet gas; or Coriolis meters for direct mass flow measurements that are accurate and reliable.

Orifice Meters

Orifice metering is recognized as the traditional method for measuring high gas flow rates on offshore installations and onshore gas production and processing facilities. Improvements to accessibility and maintenance of the systems are continually updated and what the orifice metering technique can offer:

Simplicity

High acceptability

Traditional proven technology

Ease of calibration

Orifice

Types of Gas Metering Systems:

 

Gas Ultrasonic Meters

Gas ultrasonic metering systems provide a space and weight saving solution for gas metering and it is developing as the preferred metering technique for offshore gas production installations. Ultrasonic gas metering systems are progressively replacing the conventional orifice metering on onshore gas production and gas processing facilities as well.

Ultrasonic flow metering benefits from:

  • Smaller/lighter than conventional systems
  • Simple to produce i.e. low cost and short manufacture time
  • No moving parts
  • Long term stability
  • High flow rates
  • High accuracy
  • Immune to medium – high frequency vibrations
      Gas Ultrasonic Meters

 

Venturi Meters

The venturi meter is the favored device for wet gas flow metering. The simplicity of no moving parts makes the venturi meter maintenance free and the dependability allows it to be used in applications with higher turndown rates and/or lower pressures drops.

Wet gas flow metering is a major challenge to the natural gas production industry and potential applications. Many natural gas reserves that initially produced dry gas are becoming wet natural gas producers as the conditions in the reservoir change with age and the natural gas is depleted.

Venturi meters can be manufactured in duplex stainless steel to withstand corrosion as a result of the acidity of the wet gas.

 Venturi Meters

 

Features:

 

Sampling and Analysis Systems

Transfer of hydrocarbons involves multi-million dollar transactions and therefore maintaining accuracy of measurement to ensure fiscal accountability is of paramount importance. Accurate measurement of hydrocarbons is dependent on the accuracy of the flowmeter itself but also the quality and properties of the product. Density, water content, viscosity and composition are properties which are taken into consideration in calculating the value of the product and the selection of materials and metering techniques. This highlights the necessity of accurate sampling and analysis systems. The design and manufacture of Sampling and Analysis systems is governed by national and international standards that address proven techniques for the collection of representative product samples.       Sampling and Analysis Systems

we designs and supplies this ancillary equipment as part of the integrated metering system.


Gas Sampling and Analysis Systems comprise of:

Gas conditioning equipment including sample probe, filtration and pressure reduction while maintaining the sample temperature.
The gas analysis instruments, such as, chromatographs, hydrocarbon dew point meters, water in gas monitors, relative density meters and Hydrogen Sulphite analyzers.
Fully equipped temperature controlled and air conditioned or freely ventilated analyzer houses where the gas conditioning and analysis equipment is installed.

Liquid hydrocarbon Sampling and Analysis Systems comprise of:

Sample mixing equipment which may be of proprietary or custom design

Sample probe and fast loop pump

Sampler and sample receivers

Densitometer

Water in Oil Meter

Viscometer

Heated enclosure for the sampler and sample receiver

Metering Control Systems

Metering Systems are supplied complete with metering control systems to meet the requirements of the project specification, local regulations and national and international standards. Metering control systems comprising flow computers, supervisory computer, PLC where applicable and auxiliary control equipment are integrated into a custom designed metering control panel.

 

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