| 摘要 |
<p>A method for characterising the evolution of a subsurface volume comprises providing a first and second surveys of the reservoir with first and second sets of seismic traces. An analytic filter is constructed which shifts one or more seismic traces in dependence of a model parameter. Inversion is performed to obtain estimates of the model parameter such that the analytic filter aligns said first survey and said second survey. The analytic filter may be a plane wave destruction filter, and be such that the model parameter is a function of the analytic filter and is not a function of one or more of said second set of seismic traces. The model parameter may be time shift, time strain, or velocity change.</p> |
