Аннотация:Some results of hydraulic fracture (HF) modeling in brittle-ductile formations are presented. Main
peculiarities of HF propagation in such formations are captured by the developed physical and computational model. Тhe HF design for specific engineering jobs requires data of reservoir elastic and
strength properties, and on initial stress distribution, which all are not always available. Thus, the major goal of the present modeling is to link the observed features of hydraulic fracture propagation with uncertainties of the mentioned above properties