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TitleGeological characteristics and petroleum resource assessment of Utica Shale, Quebec, Canada
AuthorChen, Z; Lavoie, D; Malo, M
SourceGeological Survey of Canada, Open File 7606, 2014, 43 pages, (Open Access)
PublisherNatural Resources Canada
Documentopen file
Mediaon-line; digital
RelatedThis publication is a translation of Chen, Z; Lavoie, D; Malo, M; (2014). Caractéristiques géologiques et évaluation des ressources pétrolières du Shale d'Utica, Québec, Canada, Geological Survey of Canada, Open File 7625
File formatpdf
NTS21L/04; 21L/05; 21L/06; 21L/10; 21L/11; 21L/12; 21L/13; 21L/14; 21L/15; 31G/01; 31G/02; 31G/07; 31G/08; 31G/09; 31H; 31I/01; 31I/02; 31I/03; 31I/04; 31I/06; 31I/07; 31I/08; 31I/09; 31I/10; 31I/16
AreaQuébec; Montreal; Trois-Rivières; Saint-Hyacinthe
Lat/Long WENS -75.0000 -70.5000 47.0000 45.0000
Subjectsstratigraphy; fossil fuels; geochemistry; tectonics; Upper Ordovician; depositional environment; sedimentary rocks; marine deposits; marine environments; shales; limestones; mudstones; source rocks; hydrocarbon maturation; maturation; thermal maturation; hydrocarbon migration; porosity; permeability; reservoirs; reservoir rocks; tectonostratigraphic zones; organic geochemistry; hydrocarbon potential; petroleum resources; hydrocarbons; flysch; stratigraphic analyses; stratigraphic correlations; structural features; Utica Shales; Lorraine Group; Lorraine Flysch; St. Lawrence Platform; total organic carbon; Paleozoic; Ordovician
Illustrationslocation maps; cross-sections; stratigraphic columns; photographs; tables; plots; flow charts; histograms
Natural Resources Canada Library - Ottawa (Earth Sciences)
ProgramShale-hosted petroleum ressource assessment, Geoscience for New Energy Supply (GNES)
Released2014 05 30
Summary(Plain Language Summary, not published)
The study shows that the Upper Ordovician Utica Shale of southern Quebec is a hybrid shale resource play with contributions from both the matrix and organic porosities. A new method based on a dual-porosity model is developed for assessing oil and gas resource potentials in the Utica Shale play. The method integrates geochemistry data with geophysical well log data quantitatively to estimate the hydrocarbon-filled pore volume and resource potential. The assessment resulted in four different in-place resources: oil, free-gas, dissolved gas and adsorbed gas. Three gas components are aggregated into total gas. Statistic distribution is used to describe the uncertainty in the estimated resource potentials. The estimated in-place oil resources vary from 0.78 to 5.24 billion of barrels (Bbls) with a mean of 2.3 (Bbls). The expected resource value of the total gas in-place (free, dissolved and adsorbed) is 186.41 TCF with a uncertainty range from 117.09 TCF to 287.14 TCF. No attempt is made to estimate the portion of technically recoverable of the in-place resources.