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What is Borehole Fluid Pressure in HDD Rock about?

This paper evaluates the maximum allowable borehole fluid pressure during horizontal directional drilling (HDD) in rock, highlighting the inadequacy of traditional soil models like the Delft Equation for fractured rock conditions. It proposes adaptations based on the Hoek-Brown failure criteria to better assess hydrofracture risks in diverse drilling media. The findings are validated against groundwater response data from the White Point Landslide Project, emphasizing the need for improved methodologies in

Author

John Smith

Language

EN