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Other links at Energy and Environment > Oil and Gas > Operating Companies > Exploration and Production |
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Questar Corporation
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An energy developer engaged in oil and gas exploration and production, gas processing and gathering, gas and liquids trading, interstate gas transmission and storage, retail gas distribution, and telecommunications and information technologies. (NYSE: STR)
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Petrogen International Ltd.
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Currently developing oil and gas reserves within the Texas Gulf Coast, Mississippi Salt Basin and the Wyoming Big Horn Basin.
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Canada Southern Petroleum, Ltd.
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Calgary-based exploration company, operating in several western provinces, the Yukon and Northwest Territories and Canada's Arctic Islands.
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Energen Corporation
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Diversified energy company, focusing on natural gas distribution, and oil and gas exploration and production. (NYSE:EGN).
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Gastar Exploration Ltd.
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Operates coal bed methane properties in Wyoming and Australia. Exploring for deep gas in California.
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