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| Weyburn-Midale CO2 Monitoring and Storage Project | |
|---|---|
| Name | Weyburn-Midale CO2 Monitoring and Storage Project |
| Location | Weyburn and Midale oil fields, Saskatchewan, Canada |
| Coordinates | 49°41′N 103°50′W |
| Status | Completed/ongoing monitoring |
| Operators | SaskPower; Cenovus Energy; EnCana; Petroleum Technology Research Centre |
| Start | 2000s |
| Purpose | Carbon dioxide enhanced oil recovery and geologic storage |
Weyburn-Midale CO2 Monitoring and Storage Project is a large-scale carbon dioxide injection and storage initiative centered on the Weyburn and Midale oil fields near Weyburn, Saskatchewan and Midale, Saskatchewan. Conceived as a partnership among energy companies, academic institutions, and government agencies, the project linked SaskPower, Cenovus Energy, EnCana Corporation, and the Petroleum Technology Research Centre to advance carbon capture, utilization, and storage (CCUS) science while supporting enhanced oil recovery (EOR). It became notable for long-term monitoring, measurement, and verification efforts that engaged researchers from institutions such as the University of Regina and international collaborators.
The project originated following proposals at energy and climate forums involving Saskatchewan Energy and Resources stakeholders and multinational corporations associated with Prairie Provinces energy development. Early planning drew expertise from the International Energy Agency, the Global CCS Institute, and researchers at the National Research Council Canada. Initial CO2 supplies came from Great Plains Synfuels Plant projects and industrial partners seeking Kyoto Protocol era emissions mitigation strategies. The consortium framed the program to test hypotheses about CO2-EOR performance, storage security, and regulatory compliance under frameworks influenced by United Nations Framework Convention on Climate Change discussions.
Geologically, Weyburn and Midale are situated within the Williston Basin and exploit carbonate and dolomite reservoirs of the Midale Beds and associated formations. The storage mechanism combines miscible CO2 flooding for Enhanced Oil Recovery and residual trapping in pore spaces, structural trapping beneath caprocks such as anhydrite and shale, and solubility trapping in formation waters. Stratigraphic relations reference the Devonian and Ordovician succession in the basin, and regional tectonics relate to the Western Canadian Sedimentary Basin architecture. Reservoir simulation integrated data from well logs, core samples, and seismic surveys akin to methodologies used by teams at the Oil Sands Research and Information Network.
CO2 sources included industrial emitters employing capture technologies akin to those piloted at SaskPower's Boundary Dam Power Station and chemical processing plants modeled on Shell Mossgas initiatives. Transport utilized pipeline infrastructure coordinated with TransCanada Corporation-style routing principles and regulatory precedents from Canadian Energy Regulator regimes. Injection operations were carried out by operators referencing best practices from ExxonMobil and Royal Dutch Shell EOR programs, with well completions and injection strategies optimized through collaborations with equipment suppliers from Schlumberger and Halliburton.
The MMV program combined geophysical, geochemical, and engineering methods developed in partnership with academic groups including University of Saskatchewan and international teams from Lawrence Berkeley National Laboratory and Imperial College London. Techniques encompassed time-lapse 3D seismic, passive seismic monitoring, downhole pressure and temperature logging, soil gas surveys, and isotope geochemistry involving carbon isotopes studied by laboratories like Canadian Light Source affiliates. MMV integrated risk assessment frameworks used by Intergovernmental Panel on Climate Change contributors and leveraged data management practices influenced by projects funded through the Natural Sciences and Engineering Research Council of Canada.
Environmental oversight referenced provincial regulatory mechanisms within Saskatchewan Ministry of Energy and Resources and federal obligations shaped by the Canadian Environmental Assessment Act predecessors and successors. Permitting and liability arrangements were negotiated within legal traditions influenced by precedents set in Alberta and international norms developed by the International Organization for Standardization committees addressing greenhouse gas accounting. Environmental assessment included potential impacts on groundwater resources managed under statutes akin to those administered by Environment and Climate Change Canada and indigenous consultation protocols involving Cowessess First Nation and neighboring communities.
Published outcomes demonstrated enhanced oil recovery efficiency and quantified CO2 retention through multiple trapping mechanisms, with peer-reviewed contributions appearing in journals tied to researchers from Massachusetts Institute of Technology collaborations and European partners from Netherlands Organisation for Applied Scientific Research. Studies refined reservoir simulation models, constrained leakage risk estimates, and advanced isotope fingerprinting techniques linking injected CO2 to subsurface signatures used in attribution studies cited by Intergovernmental Panel on Climate Change assessment authors. The program influenced subsequent projects such as Boundary Dam Carbon Capture Project and informed policy deliberations within Global CCS Institute policy briefs.
Community engagement incorporated outreach with municipal governments including Weyburn, Midale, and regional economic development agencies like Southeast Regional Economic Development Authority. Socioeconomic assessments evaluated job creation, royalty structures familiar to Crown Corporations arrangements, and local investment in technical training coordinated with institutions such as the Saskatchewan Polytechnic. Indigenous engagement processes involved consultations with groups represented through organizations like Assembly of First Nations-linked bodies. The project contributed to local capacity-building in petroleum engineering education and supported public outreach exemplified by collaborative exhibitions with the Royal Saskatchewan Museum.
Category:Carbon capture and storage projects Category:Williston Basin Category:Energy in Saskatchewan