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Expert, independent advice on the most appropriate satellite imagery (optical, radar) and elevation data products.
The benchmark for petrophysics, rock physics, facies analysis and statistical mineralogy. Collaborative multi-well log analysis made easy for better drilling decisions.
Surface-related multiples in a shallow water environment can be very challenging to attenuate. In areas where the water depth is roughly less than half the near-offset, the water bottom is recorded beyond the critical angle which provides a poor basis for conventional predictive techniques such as SRME. MWD instead models the Green’s function of the waterbottom primary reflection to avoid this limitation.
This PSDM comparison comes from the Hibernia area, offshore Canada. The dataset using a standard Tau-P deconvolution flow and its derived velocity field (left) contains artefacts (orange arrow) and remains contaminated by residual multiples (blue arrows). Using MWD plus SRME and its derived velocity field (right) provides a much cleaner image. Most importantly, MWD plus SRME resulted in significantly improved fault imaging (green arrows). Data courtesy of HMDC.
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