Oil Forsale at Calgary Calgary is an oil-producing city located in Alberta, Canada. It is the greatest city in the province and has become a significant financial centre of the country. It is where both petroleum and chemical businesses are present. Many foreigners visit this city to take advantage of this petroleum and other petroleum products. The petroleum fields of Calgary were discovered in 1948 by two geologists, John H.“Jack“ Stewart and John S.“Bob“ Irwin. The oils have been sold […]