Subsurface Insights March 2021 | Page 14

14 | Halliburton Landmark
Figure 1 > Examples of attributes discussed , imaged in the same seismic section . ( A ) Original amplitude seismic , ( B ) discontinuity calculated along dip , ( C ) semblance ( a measure of seismic reflector continuity ), ( D ) raw fault likelihood , ( E ) thinned fault likelihood , and ( F ) strike volume — values range from -90 ° to + 90 ° ( typically this would be masked to the thinned likelihood ). Opunake data courtesy of New Zealand Petroleum and Minerals ( NZPM ).