This segment is from Tuesday's edition of 'Digging for Value', in which sector analysts Joel South and Taylor Muckerman discuss energy & materials news with host Alison Southwick. The twice-weekly show can be viewed on Tuesdays & Thursdays. It can also be found on Twitter, along with our extended coverage of the energy & materials sectors @TMFEnergy.

Supply of natural gas has been raging in the United States, and the state of Pennsylvania is a big reason why. Producers like Cabot Oil & Gas (NYSE:COG), Range Resources (NYSE:RRC) and Ultra Petroleum (NASDAQ:UPL) are a big reason why. Each of these companies hold tremendous acreage and natural gas reserves in Pennsylvania and plan on spending billions to ensure successful production. Analyst Taylor Muckerman provides greater clarity in the following video.

Joel South has no position in any stocks mentioned. Taylor Muckerman has no position in any stocks mentioned. The Motley Fool recommends Range Resources and Ultra Petroleum. The Motley Fool owns shares of Ultra Petroleum and has the following options: long January 2014 $30 calls on Ultra Petroleum, long January 2014 $40 calls on Ultra Petroleum, and long January 2014 $50 calls on Ultra Petroleum. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.