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Yunyi has engaged in the research and development of pressure, liquid level, flow, and temperature sensors and transmitters, as well as their solutions. Providing OEM & ODM and custom design services

Integrated Intelligent Oil and Gas Separation Metering Device

The Integrated Intelligent Oil-Gas Separation and Metering System is a cutting-edge solution designed for simultaneous separation and precise measurement of oil, gas, and water in oilfield gathering systems. Combining advanced separation technologyreal-time multiphase metering, and AI-driven optimization, this system eliminates the need for bulky separation infrastructure while ensuring accurate production allocation and reservoir management.

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1. Key Features

✔ All-in-One Functionality – Integrates separation, metering, and data analysis into a single compact unit
✔ High-Precision Measurement – ±1% accuracy for oil/gas/water phase fractions
✔ Self-Adaptive Control – Automatically adjusts to flow regime changes (slug, annular, stratified)
✔ Cloud-Based Analytics – Predictive diagnostics and production trend forecasting
✔ Plug-and-Play Design – Reduces installation time by 60% vs. traditional setups


2. Core Components

(1) Intelligent Separation Module

  • Cyclonic Inlet System – Pre-separates gas and liquid phases

  • Electrostatic Coalescer – Breaks stubborn emulsions (optional for heavy crude)

  • Smart Interface Control – Radar/γ-ray sensors maintain optimal oil-water interface

(2) Multiphase Metering Unit

  • Clamp-On Ultrasonic Flowmeter – Non-intrusive phase velocity measurement

  • Density/Viscosity Sensors – Real-time fluid property analysis

  • PVT Corrector – Compensates for pressure-temperature variations

(3) Central Control System

  • Edge Computing Platform – Runs machine learning algorithms for flow regime identification

  • SCADA Integration – 4G/5G/WiFi connectivity for remote monitoring

  • Digital Twin – Simulates system performance under varying conditions


3. Technical Specifications

Parameter Specification
Throughput Capacity 50–3,000 m³/day
Pressure Rating 1.6–10 MPa (customizable)
Gas Volume Fraction (GVF) 0–95%
Water Cut Range 0–100%
Measurement Accuracy ±1% (liquid), ±2% (gas)
Materials 316L SS/Duplex/Composite Lining

4. Working Principle

  1. Phase Separation:

    • Gas-liquid pre-separation via cyclonic forces

    • Oil-water separation using electrostatic/gradient coalescence

  2. Multiphase Metering:

    • Ultrasonic sensors measure phase velocities

    • Combined with density data for mass flow calculation

  3. Data Integration:

    • AI algorithms reconcile sensor data for allocation accuracy

    • Results transmitted to central database for production reporting


5. Performance Advantages

  • 50% Reduction in footprint vs. conventional separation-trains

  • 30% Lower OPEX through automated chemical optimization

  • Real-Time Allocation – Updates well production data every 15 seconds

  • Zero Manual Sampling – Eliminates human error in well testing


6. Applications

• Unmanned well pads and marginal fields
• High-GOR (Gas-Oil Ratio) production systems
• Heavy oil fields with unstable emulsions
• Satellite clusters requiring remote monitoring


7. Case Study: Offshore Malaysia Deployment

  • Challenge: Accurate allocation for 8 subsea wells with 75% GVF

  • Solution: Installed IOGA-2500 system with subsea-rated sensors

  • Results:
    ↗ Allocation accuracy improved from ±8% to ±1.5%
    ↘ Reduced well-testing costs by 70%
    → Achieved API MPMS Chapter 20.3 compliance


8. Certifications & Standards

• API MPMS Chapter 20.3 (Measurement of Multiphase Flow)
• ATEX/IECEx Zone 1 (Explosive Atmosphere Certification)
• ISO 3164 (Fluid Power System Safety)
• NACE MR0175 (Sour Service Compatibility)


9. Why Choose This System?

  • Fiscal-Grade Accuracy – Meets international custody transfer standards

  • Self-Diagnostic Capability – Predicts sensor drift 100+ hours in advance

  • Global Support – 24/7 remote technical assistance with <4hr response

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