Hydraulic fracturing turned 65 years old this week, but it wasn't until the past 10 years, when combined with horizontal drilling, that the practice became a widely known phenomenon. In 2013 alone, the United States fracked 28,507 wells, surpassing Russia and Saudi Arabia as the world's largest producer of petroleum and natural-gas hydrocarbons. 

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