... Upstream Oil & Gas calculation TSO sand control bottom hole pressure contour hydraulic fracturing analytical solution fracture geometry Simulation proppant concentration proppant density onset frac and pack fracture length three-dimensional simulator geometry final fracture...

... reservoir geomechanics Upstream Oil & Gas wave velocity elastic wave velocity measurement anisotropic change equation andα 33 model 1 Reservoir Characterization tensor pore pressure sandstone horizontal stress stress field high value contour anisotropy discontinuity stress...

... average value deformation stabilization block structure rock mass displacement contour tunnel contour AIF strength dry contact specimen Upstream Oil & Gas internal friction fractured rock mass vicinity plastic material evaluation tunnel deformation Pacific Rocks2000...

... associaled wilh fracluring in borehole OH 7 during Feb. 98. The stress shown contoured in Figure 10 are the 3D stresses (a hl =15, a h2 =9.9, and a8 MPa) re- solved onto an east-west plane. Only the east-west normal stress component is contoured. The east-west normal stress is a maximum at the crown...

...: Hoek-Brown, Drucker- Prager and mining induced strain-energy density. * import and display of the locations and magnitudes of seismic events. Analysis values can be viewed using smooth or abrupt coloured contours. The values and colours defining the contours can be automatically generated or entered...