The technology, consisting of patented Lamont 4D software, will be
available from Western Geophysical as part of a service package or as a licensed software
product. The agreement grants the company the exclusive worldwide license to this
technology for the analysis of time-lapse seismic data to monitor fluid changes in
reservoirs. By monitoring how and where these fluids are bypassed or blocked, oil
companies will be able to design drilling strategies to extract oil and gas that are
usually left behind. Scientists at Columbia University's Lamont-Doherty Earth Observatory
in Palisades, New York developed the Lamont 4D software in conjunction with a consortium
of seven oil companies. It has been tested in 15 oilfields in the North Sea and the Gulf
of Mexico and is currently being used in almost half the active 4D projects worldwide.
Denby Auble, Western Geophysical's senior vice president of technology, is quoted as
saying Western Geophysical expects "4D seismic surveys and associated interpretation
software to be essential ingredients for ensuring the quality and efficiency of E&P
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