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Proven Results

Tank Vapour Recovery Cuts Methane Emissions and Carbon Tax Exposure

February 9, 2026

The Challenge

Oil and gas storage tanks released fugitive methane emissions due to venting of vaporised hydrocarbons during production and storage. The system needed to manage fluctuating pressure and vent rates without creating vacuum or overpressure conditions. Maintaining blanket gas integrity and integrating with existing control systems were also required to ensure safe and stable operation.
The Solution

The Solution

Two LCO Vapour Recovery Units (VRUs) were installed to capture emissions from production tanks. The system dynamically adjusts to changing pressure and flow conditions, preventing vacuum and overpressure while preserving blanket gas integrity.  

The VRUs were integrated with the site’s Allen-Bradley PLC to support coordinated control and consistent operation. Recovered gas is redirected for beneficial use, either as feedstock for heat generation or recompressed for sale, eliminating the need for atmospheric venting.

The Value

Environmental Impact
Methane emissions from tank venting were eliminated, reducing greenhouse gas emissions.
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Economic Savings
  • Over $246K in carbon tax savings over 10 years
  • Projected annual fuel savings of $7,070 by 2034
Operational Performance
  • No process upsets following installation
  • No vacuum or overpressure conditions observed
  • No vented gas post-installation
  • Lower than expected waste gas volumes
Scalability Insight
Operational data indicated that a single unit could have met site requirements, highlighting the importance of aligning capacity with gas volume.
 
Outcome
Lower gas volumes at this site limited overall optimization potential. Based on results, deployment at higher-volume sites is being considered to maximize value.

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