January 1997 - May 4, 2012
| By Play |
By State |
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| Marcellus
Shale Bakken Haynesville Shale Eagle Ford Barnett Shale Barnett Shale Core Counties Permian Basin Niobrara |
Arkansas Texas
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| Exploratory and Developmental
Drilling |
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| Rigs Targeting Oil |
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| Rigs Targeting Natural Gas |
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| Vertical, Directional and
Horizontal |
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by James L. Williams |
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email WTRG at wtrg@wtrg.com |
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