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![](https://www.circleofblue.org/wp-content/uploads/2010/08/methane_graphic_590-1-495x400.jpg)
Infographic: Anatomy of a Gas Well
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Several layers of steel casing typically enclose a well bore and the empty spaces between can be sealed with cement.
![](https://www.circleofblue.org/wp-content/uploads/2010/08/Screen-Shot-2016-01-05-at-2.50.34-PM-495x400.png)
Infographic: What is Hydraulic Fracturing?
Hydraulic fracturing is a process used in nine out of 10 natural gas wells in the United States.
![](https://www.circleofblue.org/wp-content/uploads/2010/07/Lease-Meeting-590.jpg)
Michigan’s New Natural Gas Rush: Energy and Water in Play
Unprecedented mineral leasing could be big for energy production and hydraulic fracturing.