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EnCana Weyburn System CO2 Sequestration

Learn about the EnCana Weyburn CO2 sequestration project, which injects CO2 into the Weyburn oil field to increase production and reduce carbon emissions. Find out how SCADA Vantage is used to monitor and control the system.

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EnCana Weyburn System CO2 Sequestration

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  1. EnCana Weyburn SystemCO2 Sequestration

  2. Weyburn Background

  3. Weyburn Project Background • Field discovered in 1954 • 360 million barrels produced with water injection only • CO2 will add 130 million barrels • CO2 brought in through a 300 Km pipeline from a coal gasification plant in Beulah ND • More than 700 wells in production • Current production 30,000 bbl/day • Expected production 40,000 bbl/day

  4. Current project facts • EnCana tripled the production since CO2 injection started 6 years ago • 30,000 bbl/day reached 2 years ahead of schedule • Since 2000, 8 million tones of CO2 have been pumped underground instead of being released into the atmosphere • By the time the project wraps up 30 million tones will be sequestered, the equivalent of taken nearly 7 million cars off the road • More than 30 years of production have been added to the Weyburn field

  5. Miscible flood • How it works • The miscible displacement process is more than a simple pressure maintenance project in that it involves introduction of a gas (solvent) into the reservoir that will mix with and completely dissolve the reservoir oil. • This allows the CO2-oil mixture to be swept to the producing well • The flood consists of an intermittent injection of CO2 followed by water injection

  6. Injection Procedure

  7. Why SCADA Vantage • Because it could handle: • Well monitoring and control • Processing Plant • CO2 Compression Plant • Tank Farm • CO2 Pipeline Monitoring • CO2 Nomination • Dynamometer Cards • Field ESD • Automatic Well Test • Miscible Flood

  8. Weyburn System Overview ABB SCADA Vantage is used throughout the field and facilities

  9. Weyburn System Overview • Injection ESD • Miscible Flood • Water injection wells • Major Bingham pump units

  10. Weyburn System Overview • CO2 Injection Control

  11. Dynacard Plot • Plot multiple cards on screen (current and reference) • View/change load limits, malfunction/ pump-off points the points • Right-Click to upload/download/save data

  12. CO2Sequestration

  13. Cost Breakdown in CO2 Sequestration • Cost: • Capture: $40-60/t CO2 avoided • Pipeline: $0.02-0.06/t .km • Transportation mileage: 300 km • Storage: $5-10/t CO2 • Break even: $20 bbl

  14. Weyburn Background

  15. IPPC – Carbon Capture & Storage Report • Approved by IPCC in September 2005 • Published December 2005 • Written by over 100 authors from 30 countries , all continents • Extensively reviewed by over 200 experts • Presented at UNFCCC COP-11/ Kyoto COP/MOP-1 in Montreal

  16. Total SCADA Solution Provider

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