Exxonmobil Upstream Research Company

Jonathan Stewart

Andrew P Shatilo

Michael E Farrell

Shauna Kaye Oppert

Scott A Barboza

Tommie D Rape

Rene Jonk

At least one transport property for a subsurface region is calculated from derivative seismic data by generating a model relating at least one derivative seismic rock property of a subsurface region to at least one transport property for the subsurface region. At least one transport property is calculated by applying the generated transport property model. Transport phenomena may be simulated with a transport model using at least one transport property generated by applying the model. A model describing evolution of the at least one transport property may be generated within the subsurface region over time, e.g., to facilitate basin modeling of the subsurface region.

Transport property data calculated from derivative seismic rock property data for transport modeling

A method for identifying and suppressing water column reverberations ('multiple reflections') in two-component ocean bottom seismic data is disclosed. The method involves processing the hydrophone (P) data and the geophone (Z) data separately to produce two stacked images of the subsurface (). Analyzing the stacked P-image and the stacked Z-image together can be used to identify multiple reflections (). Analyzing the stacked /'-image and the stacked Z-image together with an image of the subsurface created from hydrophone and geophone data combined in the usual way (PZ-image) () can be used to identify residual multiples in the PZ image (). The stacked P and Z images can be combined using an existing PZ combination technique to suppress multiples (). The efficiency of the PZ combination technique at suppressing multiples is increased because of the higher signal-to-noise ratio of stacked data.

Identification and suppression of multiples in ocean bottom seismic data

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Houston, TX, United States of America

Jonathan Stewart