A high resolution workflow for 4D‐friendly analysis: application to gas‐oil contact monitoring at Troll West

Bertrand, A.; McQuaid, Sean; Bobolecki, Roman; Technologies, Geotrace; Leiknes, S.; Ro, Hans Egil

doi:10.1190/1.2148210

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2006

2021

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Cited by 7 publications

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“…Crossequalization is a popular technique for this task (Rickett and Lumley, 2001;Stucchi et al, 2005). A number of different cross-equalization techniques have been successfully applied in recent years to estimate and remove time shifts between time-lapse images (Bertrand et al, 2005;Aarre, 2006). An analogous task exists in medical imaging, where it is known as the image registration problem (Modersitzki, 2004).…”

Section: Introductionmentioning

confidence: 99%

Time‐lapse image registration using the local similarity attribute

Fomel

Jin

2007

SEG Technical Program Expanded Abstracts 2007

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We present a method for registration of time-lapse seismic images based on the local similarity attribute. We define registration as an automatic point-by-point alignment of time-lapse images. Stretching and squeezing a monitor image and computing its local similarity to the base image allows us to detect an optimal registration even in the presence of significant velocity changes in the overburden. A by-product of this process is an estimate of the ratio of the interval seismic velocities in the reservoir interval. We illustrate the proposed method and demonstrate its effectiveness using both synthetic experiments and real data from the Duri time-lapse experiment in Indonesia.

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