Olwen Wirth

GLJ Petroleum Consultants Ltd. provides energy resource consulting services. It offers reserves and resources, asset transactions, scoping analysis, technical studies, risk and sensitivity analysis, expert witness, technical writing, and commodity price forecasts. The company was founded by Vic Kloepfer and Gary Last in 1972 and is headquartered in Calgary, Canada.

Part of Cenovus Energy, Inc., Husky Oil Ltd. explores and develops oil and natural gas. The company is based in Calgary, Canada.

Part of S&P Global, Inc., Fekete Associates, Inc. provides reservoir management software services to the oil and gas industry. The company is based in Calgary, Canada. Fekete Associates was acquired by IHS, Inc., part of S&P Global, Inc. on April 08, 2013.

Alberta Energy Co. Ltd. engages as an oil and natural gas exploration company. The company is headquartered in Calgary, Canada.

Part of Quicksilver Resources, Inc., Quicksilver Resources Canada, Inc. explores for, acquires, and provides crude oil and natural gas. The company is based in Calgary, Canada. The Canadian company was founded by J. Michael Gatens, George W. Voneiff. Quicksilver Resources Canada was acquired by Quicksilver Resources, Inc. on August 26, 2000.

Pengrowth Energy Trust's principal activity is to provide directly and indirectly explore for, develop and hold interests in petroleum and natural gas properties, through investments. The company directly and indirectly acquires, owns and manages working interests and royalty interests in oil and natural gas properties. Its activities are financed by issuance of royalty units and interest bearing notes to the Trust and third party debt.

Unconventional Gas Resources Canada Operating, Inc. engages in oil and gas exploration services. It focuses on the exploration for and development of unconventional resources in North America. The company was founded by J. Michael Gatens in 2007 and is headquartered in Calgary, Canada.