Drew E. Tumbach

Silverwing Energy, Inc. explores, develops and produce petroleum and natural gas in Western Canada. The company was founded on May 28, 2002 and is headquartered in Calgary, Canada.

Duvernay Oil Corp. engages in the exploration, acquisition, development and production of natural gas and crude oil. The company is headquartered in Calgary, Canada.

Berkley Petroleum Corp. is engaged in the exploration and development of natural gas and crude oil. Berkley focuses on the deeper, western portion of the Western Canadian Sedimentary Basin in Alberta, northeastern British Columbia and the Northwest Territories, as well as the deep formations in southeastern Saskatchewan.The Company pursue liquid-rich gas pools and deep oil pools with higher deliverability, profitability and reserve life

Part of Canadian Natural Resources Ltd., Anadarko Canada Corp. is a company that produces and explores for oil and gas. The company is based in Calgary, Canada. Anadarko Canada was acquired by Canadian Natural Resources Ltd. from Anadarko Petroleum Corp. on November 02, 2006 for $4,075 million.

Canadian Association of Petroleum Landmen operates as a non-profit voluntary professional association for landmen. It offers Education, Course Calendar, Energy in Action, Volunteer Opportunities and Employment Resources. The company was founded in 1948 and is headquartered in Calgary, Canada.