USA: shale gas resources may be much overestimated
According to University of Texas scientists shale gas estimates by the U.S. Government are overly optimistic
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Noise
... begin. Rotary drilling is used. Rocks are penetrated by a bit which is attached to the drill pipe. Drilling mud injected to the drill ...
Artykuł - 10/16/2014 - 15:15
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Innovations without the Government?
... A. Dourfaye, W. King, M. Thigpen, The current state of PDC bit technology, World Oil, September 2010, s. 41-46. Struktura RTF ...
Artykuł - 12/09/2014 - 12:15
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Innowacje bez państwa?
... A. Dourfaye, W. King, M. Thigpen, The current state of PDC bit technology, World Oil, September 2010, s. 41-46. Struktura RTF ...
Artykuł - 01/19/2015 - 12:34