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Leduc Formation

Devonian AlbertaDevonian southern paleotropical depositsDolomite formationsFossiliferous stratigraphic units of North AmericaFrasnian Stage
Geologic formations of AlbertaLimestone formationsPaleontology in AlbertaReef depositsReservoir rock formationsShallow marine depositsWestern Canadian Sedimentary Basin

The Leduc Formation is a stratigraphic unit of Late Devonian (Frasnian) age in the Western Canada Sedimentary Basin. It takes its name from the city of Leduc, and it was formally described from the B.A. Pyrz No. 1 well in central Alberta, between the depths of 1,623.7 m (5,327 ft) and 1,807.5 m (5,930 ft), by Imperial Oil Limited in 1950. Supplementary information came from a complete section of the formation that was cored in Imperial Oil's Leduc No. 530 well between 1,633 m (5,358 ft) and 1,863 m (6,112 ft).The Leduc Formation is a major source of oil and gas in central Alberta, and the drilling of the highly successful Leduc No. 1 well in 1947 ushered in a new era in the Western Canadian petroleum industry.

Excerpt from the Wikipedia article Leduc Formation (License: CC BY-SA 3.0, Authors).

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N 53.3451 ° E -113.6949 °
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T9G 1Z3
Alberta, Canada
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Leduc No. 1
Leduc No. 1

Leduc No. 1 was a major crude oil discovery made near Leduc, Alberta, Canada, on February 13, 1947. It provided the geological key to Alberta's most prolific conventional oil reserves and resulted in a boom in petroleum exploration and development across Western Canada. The discovery transformed the Alberta economy; oil and gas supplanted farming as the primary industry and resulted in the province becoming one of the richest in the country. Nationally, the discovery allowed Canada to become self-sufficient within a decade and ultimately a major exporter of oil. The discovery followed years of exploratory failures throughout the province. Imperial Oil had spent millions of dollars drilling 133 dry holes in the previous years as only minor discoveries were made. Leduc No. 1 discovered that oil was trapped in what became known as the Nisku Formation and resulted in numerous major discoveries across the prairies. Leduc No. 1 produced 317,000 barrels (50,400 m3) of oil and 323 million cubic feet (9,100,000 m3) of natural gas before it was decommissioned in 1974, and was part of the Leduc-Woodbend oilfield that has produced over 300 million barrels (48,000,000 m3) of oil total. Billions of investment dollars flowed into Alberta and were followed by massive immigration to the province following the discovery. Alberta's two major cities saw their populations double within a few years. Calgary grew into a major financial centre and within two decades had the highest number of millionaires in Canada, per capita. The provincial capital of Edmonton, immediately northeast of the discovery, became a major petroleum production centre. A farming community with fewer than 900 residents in 1947, Leduc grew to become Alberta's 13th largest city, while several towns, including Devon and Swan Hills, were founded to support workers in the oil and gas industry.