25 February 2015
Kanglin Wang (Shell) discusses how to improve time-lapse (4D) seismic with novel water statics processing involving a seafloor device called PIES. A well known challenge in marine 4D processing is the non-repeatability introduced by water velocity and tidal variations during a survey and between different surveys. PIES provides direct measurement and continuous monitoring of these water properties and greatly reduces the uncertainties in timing and positioning of seismic data.
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