Vikesh,
The Root Mean Square (RMS), or quadratic mean, is a popular statistical measure of the magnitude of variation over a dataset. The RMS proves particularly useful when values run through the positive and negative domain like in sinusoids or seismic traces. The RMS attribute thus emphasizes the variations in acoustic impedance over a selected sample interval. Generally the higher the acoustic impedance variation of stacked lithologies (with bed thicknesses above the seismic resolution) the higher the RMS values will be. For example, a high RMS in a channel results from either a high acoustic impedance contrast of channel fill with the surrounding lithology or acoustic impedance contrasts within the infill. The Root Mean Square attribute calculations are incorporated in Petrel but generally uses the attached Formula: File comment: RMS Formula
RMS.jpg [23.39 KiB]
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