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TitleOrganic petrology and vitrinite thermal maturation profiles for eight Yukon petroleum exploration wells in Eagle Plain and Liard basins
LicencePlease note the adoption of the Open Government Licence - Canada supersedes any previous licences.
AuthorReyes, JORCID logo; Saad, S; Lane, L SORCID logo
SourceGeological Survey of Canada, Open File 7056, 2013, 56 pages, Open Access logo Open Access
PublisherNatural Resources Canada
Documentopen file
Mediaon-line; digital
File formatpdf
NTS116G/01; 116G/02; 116G/07; 116G/08; 116G/09; 116G/10; 116G/15; 116G/16; 116H; 116I; 116J/01; 116J/02; 116J/07; 116J/08; 116J/09; 116J/10; 116J/15; 116J/16
AreaEagle Plain
Lat/Long WENS-139.0000 -136.0000 67.0000 65.0000
Subjectsfossil fuels; igneous and metamorphic petrology; vitrinite reflectance; thermal maturation; thermal analyses; hydrocarbons; hydrocarbon potential; petroleum occurrence; petroleum resources; petroleum exploration; sedimentary rocks; Eagle Plain Basin; Liard Basin; Parkin Formation; Whitestone River Formation; Imperial Formation; Tuttle Formation; Ford Lakes Formation; Jungle Creek Formation; Ettrain Formation; Blackie Formation; Hart River; Ogilvie Formation; Burnthill Creek Formation; Canol Formation; Toad Formation; Fantasque Formation; Mattson Formation; Kotcho Formation; Fort Simpson Formation; Nahanni Formation; Fishing Branch Formation; Ellen C-24 well; N Hope N-53 well; Shaeffer Creek O-22 well; Birch B-34 well; S. Tuttle N-05 well; N.Parkin D-61 well; Blackstone D-77 well; Beaver G-01 well; Paleozoic; Devonian; Carboniferous
Illustrationslocation maps; stratigraphic columns; tables; plots; photomicrographs
ProgramGEM: Geo-mapping for Energy and Minerals Yukon Sedimentary Basins
Released2013 11 08
AbstractEight Yukon petroleum exploration wells were sampled for organic petrology and vitrinite reflectance thermal maturity. Seven wells are located in Eagle Plain, northern Yukon, and one is from Liard Plateau in southeastern Yukon. Where possible, the stratigraphic tops used in the interpretations reflect the currently available biostratigraphy. Kerogen type is dominated by marine to marginal marine, Type II and Type II/III; and pyrite is commonly found in association with the kerogen.
Over much of Eagle Plain basin, Late Devonian to Albian strata are within the oil window. Higher reflectance values, into the dry gas zone at depth, are recorded toward the basin margins where older rocks are exposed. Absence of a maturity discontinuity at the sub-Mesozoic unconformity indicates that the thermal maximum post-dates Albian and predates early Tertiary exhumation.
In the Beaver YT G-01 well in Liard Basin, the Late Devonian succession lies within the wet gas to dry gas windows whereas the Carboniferous section is within the oil generation window.
Summary(Plain Language Summary, not published)
Two of the most important questions in assessing the petroleum potential of any sedimentary basin are, did the source rocks get hot enough to produce petroleum and when did the heating occur. This report provides that key information for parts of Eagle Plain and Liard basins of Yukon Territory. It provides information on the types of organic matter in the rocks and how much they were altered by increasing temperature, due to burial by overlying rock strata. It provides essential input data for petroleum resource assessments (in preparation), for future explorationists and for development of future resource management policy in Yukon. These data are produced from samples of core and cuttings from Yukon petroleum exploration wells. Yukon government (EMR Oil & Gas Branch and Yukon Geological Survey) are expecting its release.

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