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  1. Mechanical properties of shale rocks

    ... Horizontal stresses can be assessed on the basis of borehole breakout or hydraulic fracture data induced by highly pressurized heavy mud ...

    Artykuł - 12/11/2014 - 19:18

  2. Exploration methods – geophysical well logging

    ... at the borehole wall at which rocks tend to get loose). Breakout orientation indicates the direction of the highest stress in the rock ...

    Artykuł - 10/23/2014 - 13:21