| http://www.w3.org/ns/prov#value | - The Pennsylvania Department of Environmental Protection recently worked with Chesapeake Energy to come up with a greatly improved well design, which calls for such things as a nearly 14-inch casing extending down 2,500 feet; 5?? inch casing down to the shale formation; and cement shielding around the pipe down to the lowest point before the well turns horizontal.
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