New insights into Ordovician oil shales in Hudson Bay Basin: their number, stratigraphic position, and petroleum potential
Notice bibliographique
Résumé
Research Article| December 01, 2008 New insights into Ordovician oil shales in Hudson Bay Basin: their number, stratigraphic position, and petroleum potential Shunxin Zhang Shunxin Zhang Canada - Nunavut Geoscience Office PO Box 2319, 626 Tumit Plaza, Suite 202 Iqaluit, NU, Canada X0A 0H0, shzhang@NRCan.gc.ca Search for other works by this author on: GSW Google Scholar Author and Article Information Shunxin Zhang Canada - Nunavut Geoscience Office PO Box 2319, 626 Tumit Plaza, Suite 202 Iqaluit, NU, Canada X0A 0H0, shzhang@NRCan.gc.ca Publisher: Canadian Energy Geoscience Association Received: 07 Jul 2008 Accepted: 25 Nov 2008 First Online: 02 Mar 2017 Online ISSN: 2368-0261 Print ISSN: 0007-4802 © The Society of Canadian Petroleum Geologists Bulletin of Canadian Petroleum Geology (2008) 56 (4): 300–324. https://doi.org/10.2113/gscpgbull.56.4.300 Article history Received: 07 Jul 2008 Accepted: 25 Nov 2008 First Online: 02 Mar 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn Email Permissions Search Site Citation Shunxin Zhang; New insights into Ordovician oil shales in Hudson Bay Basin: their number, stratigraphic position, and petroleum potential. Bulletin of Canadian Petroleum Geology 2008;; 56 (4): 300–324. doi: https://doi.org/10.2113/gscpgbull.56.4.300 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyBulletin of Canadian Petroleum Geology Search Advanced Search Abstract The Upper Ordovician Bad Cache Rapids and Churchill River groups and Red Head Rapids Formation of the Hudson Bay Basin are 180–300 m thick. These units are dominated by carbonate, but contain thin shales informally named "Boas River shale" and "Sixteen Mile Brook shale". The stratigraphy and hydrocarbon potential of the shale units are poorly understood.The organic-rich "Boas River shale" and "Sixteen Mile Brook shale" were discovered on Southampton Island about 40 year ago. However, there has been considerable debate surrounding these oil shales, which focused on fundamental issues such as: one, two or three oil shale intervals within the Ordovician sequence, their precise stratigraphic positions, their extension in the Hudson Bay offshore area, and their hydrocarbon potential.Field studies of Upper Ordovician and lowest Silurian strata on Southampton Island, with a focus on the new discovery of the three oil shale intervals in the Cape Donovan area of eastern Southampton Island, "Boas River shale" and "Sixteen Mile Brook shale", unequivocally demonstrated: 1) the three oil shale intervals in the Cape Donovan area are within the lower Red Head Rapids Formation; and 2) the Cape Donovan lower oil shale interval can be correlated to the "Boas River shale", and the Cape Donovan middle or upper oil shale interval to the "Sixteen Mile Brook shale", respectively.Rock-Eval6 data from samples of the three oil shale intervals in the Cape Donovan sections lead to the recognition of Type I–Type II kerogen and much higher yield and TOC than previously reported. Nineteen samples from middle and upper oil shale intervals have average and maximum yields of 136.5 kg HC/tonne and 230 kg HC/tonne, and average and maximum TOC of 20% and 34%; 21 samples from lower oil shale interval have mean and highest yields of 58.5 kg HC/tonne and 112.5 kg HC/tonne, and mean and highest TOC of 9.8% and 17.3%.The three oil shale intervals are recognized in the Hudson Bay offshore area. This is supported by three lines of evidence in the lower Red Head Rapids Formation in the Hudson Bay offshore exploration wells: 1) three prominent positive gamma ray kicks; 2) possible organic-rich fragments found in well cuttings; 3) some reasonably high TOC values (2.29–5.73%) are obtained from several samples within the interval covering the three positive gamma ray kicks by using preferentially picked organic-rich fragments from the well cuttings. You do not have access to this content, please speak to your institutional administrator if you feel you should have access.
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Comment cette classification a été obtenuedéplier
Prédiction distillée sur la base complète
Imitation des enseignantsNi prévalence calibrée, ni vérité terrain. Validation humaine à venir. Apprise à partir de 10 348 étiquettes directes de Codex et de 10 348 étiquettes directes de Gemma. Le mode candidate est l'union des têtes enseignantes seuillées; le consensus est leur intersection. Ces sorties portent le statut machine_predicted_unvalidated et ne sont ni des étiquettes humaines ni des étiquettes directes de modèles de pointe.
Scores Codex et Gemma par catégorie
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,000 | 0,000 |
| Méta-épidémiologie (sens strict) | 0,000 | 0,000 |
| Méta-épidémiologie (sens large) | 0,000 | 0,000 |
| Bibliométrie | 0,001 | 0,000 |
| Études des sciences et des technologies | 0,000 | 0,000 |
| Communication savante | 0,000 | 0,000 |
| Science ouverte | 0,000 | 0,000 |
| Intégrité de la recherche | 0,000 | 0,000 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,001 | 0,000 |
Scores machine (provisoires)
Les deux têtes enseignantes du modèle étudiant, lues sur ce travail. Un score ordonne la base pour la relecture; il n'affirme jamais une catégorie, et le statut de validation accompagne chaque rangée tel quel.
Scores de référence d'un modèle non mature (critères de maturité non atteints, 7 itérations). Un score ordonne; il n'affirme jamais une catégorie.
score_only:v0-immature-baseline · tel quel depuis la passe de notation : score_only signifie que le nombre peut ordonner les travaux, et qu'aucune étiquette de catégorie n'en découleClassification
machine, non validéePrédiction automatique; un appel candidat d’une seule tête enseignante, pas un consensus.
Le détail, modèle par modèle et score par score, se trouve en fin de page sous « Comment cette classification a été obtenue ».