Metering Systems
Identifying and expertly integrating the best technology to meet your operational, financial, contractual and regulatory requirements
- Gas
- LNG
- Liquid
- Hydrogen
- CO2
- Control Systems
- Upgrades
- Compact
- Multi-tier
- FPSO
Custody, fiscal and allocation metering systems
Including: Hydrogen and Ammonia, Helium, Natural Gas, Bio-gas, Methane, Butane, Propane and Ethane, Boil-off Gas, Flare Gas, Sales Gas and Feed Gas, and Carbon Dioxide metering
Operating at cryogenic temperatures to -162°C
Including: Crude, Heavy Oil, Condensate, Diesel, Kerosene, Jet A-1/JP-8, Fuel Oil, Liquid NGL, LPG, Naptha, Propylene, BTX (Benzene, Toulene, and Xylene), Sulphur and Asphalt (operating temperature of +260°C)


Including: Bi-directional Provers, Small Volume and Portable Provers and Water Draw Calibration
For gas, including: Chromatography, density, Wobbe index, calorific value, dewpoint and sulphur analysis.
For liquid, including: Fast loop or insertion automatic sampling, single or multiple atmospheric or pressurised sample receivers, density and viscosity measurement, water-cut analysis, RVP analysers and LPG chromatographs
Integrated as part of a new solution, or upgraded as a standalone brownfield solution: We work with all major flow computer suppliers, including Omni and Emerson, but our independence and technical ability mean that we can provide the metering controls solution that best meets your budget and individual needs.
Gas, LNG and liquid; metering, sampling, proving and controls - achieve your financial, contractual and regulatory commitments with our expert metering and flow measurement solutions.
Previously delivered solutions include:
- Custody transfer and fiscal Gas Metering Systems including hydrogen and helium
- Metering of petrochemicals and hazardous substances including BTEX
- Asphalt Loading and Metering System with an operating temperature of +260°C
- Cryogenic LNG Metering System with an operating temperature of -162°C
- Heavy fuel oil, crude and condensate Metering
- Unique compact and multi-tier solutions for offshore and FPSO applications
Why Alderley?
Ensuring the continued performance of your flow measurement system is our priority:
1. Independent
We identify, source and integrate the best technologies and instruments to meet your individual requirements.
4. Metering specialists
Expertly designed, configured and integrated flow measurement solutions, including custody, fiscal and allocation metering systems.
2. Experience
More than 60 years of experience in delivering high-quality, high-performing metering systems.
5. Flexible options
For either new integrated solutions, or to upgrade and enhance the performance of your existing operations.
3. Expertise
Fully versed in all international standards and metering technologies to deliver the right engineering solution for your needs.
6. Controls experts
The cash register of the oil and gas industry, we will deliver the best-for-application and best-for-business solution to meet your needs.
One platform.
5x connected and configurable modules.
Smart Asset Management is the fully integrated end-to-end intelligent
digital measurement solution.
Smart Asset Management is also a measurement-first solution: the
platform has been developed to best interface with measurement
systems – working seamlessly and securely with your measurement
assets to acquire and analyse your once stranded data and transform it
into remotely accessible insight.
- Prove measurement system performance and compliance
- Reduce unproductive manpower costs
- Increase reporting speed and accuracy
- Be certain about your uncertainty
Onsite calibration services
Mobile proving services to reduce downtime and ensure the ongoing performance of your liquid metering system
On-site calibration, complete peace of mind
Utilising our in-house developed mobile Small Volume Prover, Alderley’s flow measurement experts will test and verify the performance of your liquid custody metering system, prover or master meter directly at your site.
This helps ensure ongoing measurement system performance and complete peace of mind whilst minimising downtime.
Mobile Small Volume Prover
Housed within a trailer mountable 20’ container, Alderley’s Small Volume Prover can be used for the direct calibration of turbine, Coriolis, PD* and ultrasonic* meters on site.


*3” or 8” turbine master meters will be used for the calibration of PD meters over 4” and ultrasonic meters.
Recent projects and solutions
Image: Gas Metering Skid, Egypt
Gas Metering System
A high quality and high performance gas custody metering system for an energy major.
- Gas ultrasonic metering system
- Complete with metering control system
- Fully supported by Alderley's advanced Condition Based Monitoring system


Image: High-Sulphur Fuel Oil (HSFO) 3-tier Metering Package, Saudi Arabia
Liquid Metering System
- Specially designed and integrated 3-tier metering package
- Utilising ultrasonic flow meter technology
- Complete with control and supervisory system