AAPG Site Search | Home > EXPLORER > ARCHIVES > April 2003 > Geophysical Corner > Fractured Reservoir Management > Figure 5

Figure 5 -- Valhall Field in the North Sea shows a concentric
pattern of fast shear waves that correspond to subsidence around
the producing platform (red triangle). This is a good example
showing that the fast shear-wave direction is highly sensitive
to the maximum horizontal stress direction.