Filtration & Metering

Filtration and metering is critical for custody transfer and data traceability. The separated gas phase undergoes multi-stage filtration and precision metering, combined with condensate stabilization, to minimize natural gas losses.

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Product & Technical Features

High-precision Metering
- Vortex or ultrasonic flow meters at ±1.0% accuracy (custody-grade), with automatic temperature and pressure compensation
Multi-stage Filtration
- Primary cyclone dust removal → fine filter cartridges (5 μm) → activated carbon adsorption, ensuring clean gas quality for pipeline systems
BOG Recovery
- Multi-stage flash separation combined with oil-free compressor to recover light hydrocarbons, keeping natural gas losses below 2%
Intelligent Data Management
- SCADA real-time recording with remote transmission; simultaneous gas chromatograph calorific value (BTU) measurement

Core Advantages

Advantage	Technical Specification	Notes
Metering Accuracy	±1.0% (Vortex/Ultrasonic)	Compliant with OIML R137 standard
BOG Recovery Rate	≥95%	Multi-stage flash + compressor system
Gas Purity	Particles < 5 μm, liquid < 0.01 g/m³	Multi-stage filtration train
Resource Utilization	NG losses < 2%	Fully closed process minimizes venting

Key Applications

We provide complete filtration and metering systems for gas field export stations and gathering stations, including condensate stabilization and BOG recovery packages, meeting custody transfer requirements.