Duvernay Formation
The Duvernay Formation is a stratigraphical unit of Frasnian age in the Western Canadian Sedimentary Basin.
| Duvernay Formation | |
|---|---|
| Stratigraphic range: | |
| Type | Geological formation |
| Unit of | Woodbend Group |
| Underlies | Ireton Formation, Grosmont Formation |
| Overlies | Cooking Lake Formation, Majeau Lake Formation |
| Thickness | up to 250 metres (820 ft) |
| Lithology | |
| Primary | Shale |
| Other | Calcarenite, mudstone |
| Location | |
| Coordinates | 53.303272°N 112.383197°W |
| Region | WCSB |
| Country | Canada |
| Type section | |
| Named for | Duvernay, Alberta |
| Named by | Andrichuk and Wonfor |
| Year defined | 1954 |
Duvernay Formation (Canada) | |
It was first described in well Anglo Canadian Beaverhill Lake No. 2 in LSD 11-11-50-17W4M by Imperial Oil staff in 1950. The formation was named by Andrichuk and Wonfor in 1954 for the type section in Duvernay, Alberta.
According to Canada's Alberta Energy Regulator, the Duvernay Formation "holds an estimated 443 trillion cubic feet of gas and 61.7 billion barrels of oil (Penny China Institute 2012-12)." Calgary-based, Athabasca Oil Corporation (formerly Athabasca Oil Sands Corporation), holds 640,000 acres, the largest publicly disclosed Duvernay rights.
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