ConocoPhillips Company is an American multinational corporation engaged in hydrocarbon exploration and production. It is based in the Energy Corridor district of Houston, Texas.
Husky Energy Inc. was a Canadian company engaged in hydrocarbon exploration, headquartered in Calgary, Alberta, Canada. It operates in Western and Atlantic Canada, the United States and the Asia Pacific region, with upstream and downstream business segments. In the 2020 Forbes Global 2000, Husky Energy was ranked as the 1443rd-largest public company in the world.
Ovintiv Inc. is an American independent petroleum company. The company was formed in 2020 through a restructuring of its Canadian predecessor, Encana. Ovintiv is incorporated in Delaware and headquartered in Denver, Colorado.
CNOOC Petroleum North America ULC, formerly known as Nexen, is a Canadian oil and gas company based in Calgary, Alberta.
APA Corporation is the holding company for Apache Corporation, an American company engaged in hydrocarbon exploration. It is organized in Delaware and headquartered in Houston. The company is ranked 431st on the Fortune 500.
Noble Energy, Inc. was a company engaged in hydrocarbon exploration headquartered in Houston, Texas. In October 2020, the company was acquired by Chevron Corporation.
SandRidge Energy, Inc. is a company engaged in hydrocarbon exploration in the Mid-Continent region of the United States. It is organized in Delaware and headquartered in Oklahoma City, Oklahoma.
Enerplus Corporation is one of Canada’s largest independent oil and gas producers. The company holds oil and natural gas property interest in the United States and in western Canada, in the provinces of Alberta, British Columbia and Saskatchewan. The company is based out of Calgary, Alberta and trades on both the Toronto Stock Exchange and the New York Stock Exchange. It was Canada's first income trust.
ARC Resources Ltd. (ARC) is a Canadian energy company with operations focused in the Montney resource play in Alberta and northeast British Columbia. The company has been operating since 1996. ARC pays a quarterly dividend to shareholders and its common shares trade on the Toronto Stock Exchange under the symbol ARX.
The Montney Formation is a stratigraphical unit of Lower Triassic age in the Western Canadian Sedimentary Basin in British Columbia and Alberta.
The Cardium Formation is a stratigraphic unit of Late Cretaceous age in the Western Canada Sedimentary Basin. It takes the name from the fossilized heart-shaped cockle shells in the family Cardiidae present. It was first described along the Bow River banks by James Hector in 1895. It is present throughout western Alberta and in northeastern British Columbia, and it is a major source of petroleum and natural gas.
Although there are numerous oil companies operating in Canada, as of 2009, the majority of production, refining and marketing was done by fewer than 20 of them. According to the 2013 edition of Forbes Global 2000, canoils.com and any other list that emphasizes market capitalization and revenue when sizing up companies, as of March 31, 2014 these are the largest Canada-based oil and gas companies.
Cenovus Energy Inc. is a Canadian integrated oil and natural gas company headquartered in Calgary, Alberta.
The Duvernay Formation is a stratigraphical unit of Frasnian age in the Western Canadian Sedimentary Basin.
Questerre Energy Corporation (QEC) is an international energy exploration company headquartered in Calgary, Canada, and listed on the Toronto Stock Exchange and the Oslo Stock Exchange. It holds the largest acreage position in the Utica Shale in the Saint Lawrence Lowlands. Questerre also have operations in Saskatchewan and in the Montney Formation in Alberta.
Vermilion Energy is an international oil and gas producer based in Calgary, Canada. It has operations in North America, Europe and Australia. Vermilion is listed on the Toronto Stock Exchange and the New York Stock Exchange.
Baytex Energy Corp. is an energy company based in Calgary, Alberta. The company is engaged in the acquisition, development and production of crude oil and natural gas in the Western Canadian Sedimentary Basin and in the Eagle Ford in the United States. Baytex's common shares trade on the Toronto Stock Exchange and on the New York Stock Exchange under the symbol BTE.
Fracking in Canada was first used in Alberta in 1953 to extract hydrocarbons from the giant Pembina oil field, the biggest conventional oil field in Alberta, which would have produced very little oil without fracturing. Since then, over 170,000 oil and gas wells have been fractured in Western Canada. Fracking is a process that stimulates natural gas or oil in wellbores to flow more easily by subjecting hydrocarbon reservoirs to pressure through the injection of fluids or gas at depth causing the rock to fracture or to widen existing cracks.
Encana Corporation was a Canadian independent petroleum company that existed from 2002 to 2020. The company, stylised as EnCana until 2010, was created by David P. O'Brien of PanCanadian Petroleum and Gwyn Morgan of the Alberta Energy Company through the merger of their companies. At the time of its creation Encana was the world's largest independent petroleum company by measure of its value, production, and reserves. Morgan ran the company from its inception through the end of 2005. During its early years, Encana established its reputation as Canada's flagship energy company and an icon of Western Canadian business. In September 2005 it became Canada's largest corporation by market capitalisation for a brief time.
Tourmaline Oil is a Canadian energy company engaged in the exploration, development, and extraction of crude oil and natural gas. It is headquartered in Calgary, Alberta in Canada. A major natural gas producer, it became the largest natural gas producer in Canada in 2021. It is also the first Canadian oil and gas exploration and development company to directly engage in the liquified natural gas business.
