VIDEO: How Horizontal Drilling Works

Accessing shale gas is no easy task. To get to the hard-to-reach gas wedged between shale plays, new technologies involving horizontal drilling and hydraulic fracturing (also called "fracking") have to be employed.

So how exactly do these technologies work?

This video explains:

http://www.youtube.com/watch?v=O0kmskvJFt0&feature=player_embedded