Accurate and traceable measurement and allocation that promotes transparency is essential for good business. It ensures legal compliance and environmental performance whilst protecting revenues and reputation. PI provides professional and independent expertise and consultancy in many areas of flow measurement and hydrocarbon allocation:

PI’s experienced and dynamic measurement and allocation team offers a full and truly independent measurement and allocation capability that provides the necessary assurance and confidence to customers. We ensure that measurement systems are designed, operated and maintained to meet regulatory requirements and industry best practices. This often involves reviewing measurement system uncertainties and taking account of instrumentation accuracies, turn-down effects and calibration intervals.

Metering services

• Fiscal and allocation measurement
• Multiphase measurement
• Well-testing measurement
• Sampling and analysis
• Analysers (water-in-oil, chromatographs, H2S, etc.)
• Mis-measurement reporting and analysis
• Hydrocarbon allocation development, review and operation
• Auditing of measurement, metering and allocation systems 


  • Operational and maintenance strategy reviews
  • Technology evaluations and selection
  • Pre-FEED and FEED documentation preparation for measurement, sampling and allocation systems and solutions
  • Reporting philosophies to meet governmental regulations both for hydrocarbon and ETS
  • Uncertainty studies
  • Measurement operational excellence
  • Training


What We Do

Discover our range of services; from production optimisation to training.

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Our Achievements

Read about some of our achievements throughout our 20-year history.

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