3D seismic attributes enable seismic interpreters to gain a more complete understanding of subsurface geology resulting in more complete and detailed interpretations. Building a thorough understanding of 3D structural variations and fault networks often requires working with multiple seismic attributes due to the fact that different attributes convey different information and that the seismic signature of faults changes through the data set. Color blending techniques have proven effective in intuitively allowing interpretation of information in multiple seismic attributes simultaneously. One of the most successful techniques uses an RGB (Red, Green, and Blue) color model to present data in a manner which is in tune with the way people perceive color. These types of blend are highly effective at visualizing data such as results of poststack frequency decomposition or offset-stack volumes. We present an alternate color-blending model based on combining attributes using the subtractive primary colors cyan, magenta, and yellow (CMY). When used with structural attributes, the subtractive model produces displays that are predominately light, and structural variations and faults are associated with darker shades of varying hues and black, and the model is aligned with the way we are accustomed to visualize fault and structural attributes, making these displays very intuitive. In this paper we provide a number of examples of how these blends can be used to show how fault character changes laterally through a fault network and relate C
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