... of the previously ignored parameters. reservoir geomechanics rock block method rotation isobloc software joint stiffness keyblock vector rock mass Reservoir Characterization displacement gafis Block Theory rock block Upstream Oil & Gas stability analysis stability excavation in-situ...

... (1) are replaced by continuities define joint blocks, but these are of little interest per se as they do not intersect the opening. The keyblocks are formed by the intersection of discontinuities and free surfaces. The selection of the keyblock is the object of a rigorous search, facilitated...