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RISA Complete Rigorous Semianalytical Graphical Solution for the Undrained Wellbore Stability Problem in Elastoplastic Hoek–Brown Rock under Nonhydrostatic In Situ Stresses
Publisher: American Society of Civil Engineers
Abstract: Abstract This work develops a rigorous semianalytical solution for evaluating the stability
of an impermeable wellbore in a rock formation that obeys the Hoek–Brown failure criterion
in a nonhydrostatic stress field. The ...
Graphical Analysis–Based Elastoplastic Solution for Wellbore Stability Problem in Hoek–Brown Rock under Moderate Nonhydrostatic Far-Field Stress and Undrained Conditions
Publisher: American Society of Civil Engineers
Abstract: AbstractA semi-analytical solution is proposed for evaluating the stability of an impermeable
wellbore in a rock formation that obeys the Hoek–Brown failure criterion in a nonhydrostatic
stress field. The solution is derived ...