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  1. Noise

    ... an insight into geological structures and choose the best drilling locations. Two methods are applied in sesimic surveying, ... 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

  2. Innovations without the Government?

    ... The key research and development areas were: horizontal drilling, fracturing technology and development of the 3D seismic technology. ... 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