Exxon Wagers $31 Billion on Gas Deal – Wall Street Journal – 12/15/09

Natural Gas Play: Exxon Mobil Buying XTO Energy For $31B & $10B In Debt – NPR News Blog – 12/14/09

21st Century Filling Station – Austin Business Journal – 12/15/09

Gustavo Coronel: Oil Shales: Still in the Future; Shale Gas: Already in the Pipeline – Petroleum World – 12/15/09

U.S. Oil Companies Lose Out in Iraq Oil Auction – DigitalJournal.com – 12/14/09

Despite Sense of Entitlement, US Companies Lose Iraq Oil Auctions – AntiWar.com – 12/14/09